Verdermag manual
Contents
1. www verder com January 2010 Series VERDERMAG 8 2 Risk Assessment Potential ignition source Control Measures Applied to prevent Type of Normal Operation Exposed hot surface Electrostatic discharge between light metal and rusty steel Mechanical strength o i U Series Expected Malfunction Rare Malfunction Pumping with no liquid in pump Dry Running Pumping against a closed valve source becoming active Under normal operation the pumped liquid temperature will normally be the limiting factor T rating will be T4 Higher rating will be done based on a 10 safety margin No electrostatic risk Plastics are carbon filled and rotating components are always Immersed No magnesium or titanium is used in the outer enclosure or any other surfaces that may come into contact with rusty iron Aluminium is used for some models but is only applicable in higher categories External materials are heavy duty cast iron lined and or plastic casings and cast iron pedestal Passes impact test in EN13463 1 Bearing wear is dependent on several factors e g number of starts amount of solids Guidance in the instructions will recommend maintenance periods and maximum permissible bearing wear Dry running will give rise to increased bearing surface temperatures outside temperature class and if prolonged will lead to early failure Prevent by User instructions Power Level Flow R2. 1 5x1x5 3 25 5 75 40x25x127mm 76 146 U1 2x1 5x6 3 25 6 13 50x40x152mm 76 156 U2 1x1x6 3 25 6 13 25x25x152mm 76 156 U3 3x2 5x6 4 5 6 13 N A 80x65x152mm 76 156 146 mm to be advised depending on application Bushing Pump Shaft 1 Sintered SiC Sintered SiC Q 100 112 7 5 kW 3000 rpm max R 132 7 5 KW 3000 rpm max Impeller Casing Containment Shell 1 Sintered SiC Sintered SiC Sintered SiC 1 FEP Viton 0 ANSI ISO JIS Universal slotted holes Impeller Casing Casing Containment Shell Body Lining Drain Lining Composite 0 CF TEFZEL DI TEFZEl No CF TEFZEL Kevlar U Www verder com January 2010 Series VERDERMAG 2 3 Instruction for Installation and Operation PP PPR E ee ae J A Ca Warning When connecting the motor to the power supply pay attention to the rotation of direction for the pump as indicated Check the power supply with the information on the tag plate of the motor and set the thermal safety guards in accordance with the instructions provided by the motor supplier Warning The pump may due to testing in the factory or workshop still contain water remnants With substances that cannot come into contact with water remove the water before operation Where possible flush the pump with the liquid to be pumped followed by air drying A mag drive centrifugal pump must not be allowed to run dry Warning W
3. 45 61 Table 3 Bolt Torque Values U w www verder com January 2010 Series VERDERMAG Tools Required 8 mm or 5 16 Hex Key Pump assembly 3 16 T Handle Hex Key Outer Drive Crescent Wrench Motor amp Base mounting 232 Riser Block Figure 34 IEC Driver End Parts 14 The IEC Adapter Item 19 will accept motor frames 80 amp 90 without additional hardware Mounting an 100 or 112 frame motor requires 6 dowel pins inserted on the adapters back face Due to the large diameter C Face on an IEC 132 frame motor an additional mounting plate is required 132 Frame Plate OU amp OU Figure 35 IEC Adapter arrangements U Wwww verder com January 2010 Series VERDERMAG 15 Place the Adapter Item 19 onto the motor C Face Using a crescent wrench torque the 4 bolts to require values in table 3 Figure 36 Installing IEC Adapter 16 Place the Pump Riser Item 20 onto the bottom boss of Adapter Item 19 Some pump sizes require additional spacer blocks Using a 8mm or 5 16 hex key torque the 4 10 mm socket head cap screws to required torque indicated in table 3 Additional spacer Block 20 Figure 37 Installing Pump Riser 17 Slide the Outer Magnet Assembly Item 232 onto the motor shaft aligning shaft keyway Add some anti seize to the Outer Magnet bore for rust prevention Keyway Figure 38 Installing Outer Magnet Assembly U _ www verder
4. Series VERDERMAG e ALWAYS have this service manual available during any installation or maintenance e NEVER attempt to clean the pump while it is operating e ALWAYS perform Tag amp Lockout on power source before cleaning e ALWAYS remove casing drain and purge casing of liquid before cleaning internals e ALWAYS make certain that no toxic or flammable fumes and or vapors remain in the pump casing or surrounding area e ALWAYS clean up any spills immediately according to local state and federal codes e ALWAYS have this service manual available during installation and maintenance 2 1 Basic Do s and Don ts The following are DO s and DONT S related to magnetic drive pumps Common rules such as no cavitation or no opposite rotation apply to this pump For your protection and the protection of others learn and always follow the safety rules outlined in this booklet Observe warning signs on machines and act accordingly Form safe working habits by reading the rules and abiding by them INSTALLATION OPERATION AND MAINTENANCE MUST BE DONE BY THOROUGHLY QUALIFIED PERSONNEL IN STRICT ACCORDANCE WITH THIS MANUAL AND MUST COMPLY WITH ALL LOCAL STATE AND FEDERAL CODES Keep this booklet handy and review it from time to time to refresh your understanding of the rules VERDERMAG has designed this pump for safe and reliable operation However like any mechanical device the proper and safe performance of this equipment depend
5. Air pocket exists in suction pipe a Total dynamic head is higher than planned values a Direction of rotation is incorrect a Voltage drop b Overload c Ambient temperature is too high a Strainer is clogged with foreign matter www verder com Action a Check power supply and motor b Replace or correct wiring a Remove foreign matter in strainer a Check arrangement of suction pipe and adjust it properly b Disassemble partially then remove foreign matter c Check flanges are sufficiently sealed d Remove foreign matter a Check if a rising part exists in suction line Clean suction pipe a Check dynamic head including friction loss a Change wiring arrangement a Take necessary measures of voltage or frequency are incorrect b Check if specific gravity and viscosity of the liquid are proper b If motor fan does not rotate smoothly with a screwdriver make sure that there is no foreign matter in pump and around pump bearing c Make draft condition better a Remove foreign matter January 2010 VERDERMAG 8 0 ATEX For pump supplied without motor Please note the tag plate with CE mark will be supplied separately from the pump Upon fitting the motor the distributor will be responsible for issuing declaration of conformity and fixing tag plate to pump In relation to the various directives applicable this will have the following effect Machinery dire
6. eye aligning keyway with molded keys Once aligned use installation tool see drawing in appendix and an arbor press to push into position To remove simply use a pair of pliers to grab and pull our of the socket show below Align Keyway Impeller eye _Pullto remove Figure 23 Assemble Wear Ring Front Rotating U _ www verder com January 2010 Series VERDERMAG 10 Place the Impeller Assembly Item 2 on a clean table or in the Casing suction Carefully slide the Containment Shell Assembly Item 231 over the Impeller assembly engaging the shaft and bushing 23 Figure 24 Assemble Impeller and Containment Shell 11 Place the Containment Ring Item over the Containment Shell Item 231 MAGNETIC Reminder Magnetic attraction will occur with ductile iron ring and impeller magnets 254 Figure 25 Assemble Containment Ring U www verder com January 2010 Series VERDERMAG 12 Put together the wet end assemblies aligning bolt holes MAGNETIC Note Magnetic attraction holds the impeller assembly together with the containment ring shell assembly Align all bolt holes Figure 26 Assemble wet end 13 Align 6 bolt holes on the containment ring and 4 tapped holes for the Driver End assembly as show below Torque socket head cap screws to required values listed in table 3 2 holes Figure 27 Torque Bolts Bolt size Torque ft lbs n m AE 1E M10 ZU Zi Ye 13 IM12
7. for throttling Suction strainers when used must have a net free area of the least three times the suction pipe area An isolation valve should be installed in the suction line at least two pipe diameters from the suction to permit closing of the line for pump inspection and maintenance Isolation and check valves should be installed Discharge Piping In the discharge line the isolation valve allows for regulation of the flow and for inspection of the pump The check valve prevents pump damage by water hammer Electrical Danger Only a qualified electrician should make the electrical connections to the pump drive motor Thoroughly read motor manufacturers instructions before making installation Check motor nameplate data to be certain that all wiring switches starter and overload protection are correctly sized Install the motor according to local electrical codes Check all connections to motor and starting device with wiring diagram Check voltage phase and frequency on motor nameplate with line circuit Install a flexible electrical coupling on the motor Allow for movement of at least 300mm This is necessary to service and inspect the pump U Www verder com January 2010 Series VERDERMAG 1 Fully open the suction valve Pump requires a flooded suction Start Up Warning Do not operate pump with suction valve closed Operating pump more than a few minutes with the suction valve closed can cause bear
8. guidance Excess particles will lead to damage Prevent by Selection procedure User instructions Refer for maximum volume to the selection guidance Excess solids will lead to damage Prevent by Selection procedure User instructions Build up of material on the walls of the flow holes and bearings will eventually lead to blockage and poor flow circulation If unchecked will cause bearing failure Prevent by User instructions Bearing wear guidance in the instructions recommends maintenance periods and maximum permissible wear Operating beyond these limits may lead to contact of rotating parts and or bearing failure is a rare malfunction caused by dry running pumping against a closed valve excessive cavitation over sized or volume of solids passing through the pump excessive wear The effects can be to generate severe localized heat above the temperature class or jamming of the internal rotating assembly leading to de coupled operation Prevent by User instructions U www verder com Series Type of Protection Symbol EN13463 1 User instructions EN13463 1 User instructions EN13463 1 User instructions EN13463 1 User instructions January 2010 Potential ignition source Normal Operation U Series Expected Malfunction VERDERMAG Rare Malfunction Running pump in reverse direction De coupled operation Contact of rotating assembly with casing Containm
9. huidige versie van de volgende bepalingen er 1 overensstemmelse met folgende bestemmelser til en hver tid gyldig udgave er 1 henhold til den til enhver tid gjeldende utgave av folgende EU directiv r tillverkad 1 verensst mmelse med vastaa seuraavia m r yksi kulloinkin voimassa olevassa muodossa Im sinne der EU Richtlinie 2006 42 EC 94 9 EC As defined by directive 2006 42 EC 94 9 EC Conform ment la directive 2006 42 EC 94 9 EC Para los efectos de las directrices 2006 42 EC 94 9 EC Segundo directiva 2006 42 EC 94 9 EC Ai sensi della direttiva 2006 42 EC 94 9 EC Inzake de richtlijn 2006 42 EC 94 9 EC I henhold til EU lovgivning 2006 42 EC 94 9 EC Ifolge EU direktiv 2006 42 EC 94 9 EC Eniigt 2006 42 EC 94 9 EC EU konedirektiivin 2006 42 EC 94 9 EC U Www verder com January 2010 Series VERDERMAG Angewendete harmonisierte Normen insbesondere Applied harmonized standards in particular Normes harmonis es notamment Normas concordantes aplicadas en especial Normas harmonizadas utilizadas em particula Norme armonizzate applicate in particolare Gebruikte geharmoniseerde normen in het bijZonder De harmoniserde standarder der er blevet anvendt er 1 saerdeleshed Anvendte harmonisierte normer spesielt Tillampade harmoniserade standarder speciellt Sovelletut harmonisoldut normit erityisesti EN12100 1 EN 1127 1 EN 809 EN 14121 Empo Verder N V Frank Meersman Managing Director U _
10. product please review the product application as well as the national and local codes and regulations and be sure that product installation and use complies with them 2 0 Safety Instructions Protect yourself and your newly U mag pump by following accepted engineering practices in the installation operation and maintenance of this equipment Listed below are some of basics you should keep during mind in addition to your own company rules regarding installation operation and maintenance e NEVER start this pump without proper prime casing must be full of liquid e NEVER run this pump dry e NEVER operate this pump with the suction valve closed e NEVER operate this pump with the discharge valve closed e NEVER use heat risk of explosion to disassemble any portion of the pump e NEVER change pumps conditions of service without approval of Distributor or Innovative Mag Drive e NEVER remove Warnings labels that are displayed on the pump e NEVER operate pump if there are question signs of leakage e NEVER loosen flange connection while system is under pressure e ALWAYS remove casing drain and purge casing of liquid before service e ALWAYS keep a clean work environment e ALWAYS perform Tag amp Lockout on power source before service e ALWAYS make certain pressure gages indicating lights and safety devices are in working order e ALWAYS know the EMERGENCY STOP for this pump U www verder com January 2010
11. user s plant Upon receipt of this equipment e Compare the received items and the packing list to check for missing parts or damage e Check the packing material thoroughly for small parts U www verder com January 2010 Series VERDERMAG If any parts are missing or if the pump is damaged a claim must be filed against the carrier immediately Pump ends without motors require assembly of the outer magnet drive and motor Refer to drive end assembly procedures in the manual Warning Failure to properly lift and support equipment could result in serious injury to personnel or damage to pumps Warning These pumps use ceramic silicon carbide components Do not drop pump or subjecti it to shock loads this may damage internal ceramic components 2 2 2 Pump Identification Every VERDERMAG pump unit has a nameplate located on the side of the casing It is recommended that the purchaser record the serial number and reference it when requesting information or service parts from VERDERMAG The serial number must be used for all correspondence and spare parts orders se 2 VERDERMAG Lo EE Empo Verder NV EE ga IN Tas O Belgium L U N J K P N LITX www empo verder be U Www verder com January 2010 Series VERDERMAG U MAG PUMP IDENTIFICATION CODE Wet End Drive End Size Min Max U0
12. AG Potential ignition source Control Measures Applied to prevent Type of source becoming active Protection Normal Expected Rare Symbol Operation Malfunction Malfunction Failure to prime Recirculation of liquid will create heat EN13463 1 on self priming build up Refer to instruction manual User models and observe maximum priming time instructions Creating Pumping flammable or explosive EN13463 1 explosive liquids can lead to creation of User vapors in the explosive vapors in the self priming instructions self priming process Self priming pumps are not pumps suitable for this type of application Prevent by Selection procedure User instructions U _ www verder com January 2010 Series VERDERMAG Empo Verder Kontichsesteenweg 17 2630 Aartselaar Belgium Tel 32 3877 11 12 Fax 32 3 877 05 75 e mail info empo verder be www empo verder be U _ www verder com January 2010 Series
13. Group Products The access of VERDER resources has enabled the generation of new products enabled the VERDERFLEX range of peristaltic tube pumps which are manufactured by VERDER for the Group This new pump range is typical of Verder product development After supplying tube pumps to industry for many years and using the knowledge gained of both the shortfalls of products within the sector and requirements of the end users VERDER has developed a pump that will fulfil all the needs of the user The VERDER Group can be divided into 3 separate divisions e Pumps and liquid handling e Solids handling e Hot air and Plastics technology Important market sectors for these divisions include the petro chemical food pharmaceutical and plastics industries together with wastewater and environmental sectors Worldwide the VERDER Group markets all products wherever possible under its own brand and strives to maintain quality standards based upon ISO 9000 standards some of the VERDER companies already being accredited with ISO 9001 9002 and others proceeding towards this goal The shortest possible production chain between manufacture order and supply is the trading philosophy of the VERDER Group ensuring the best service possible to end users as well as the most cost effective price This has been achieved by joint ventures with manufacturers for supply of products into specific areas these then carry the Verder label participation in compan
14. I IMA 0931 SI Pure PFA UO 1 5 x 1 x 5 Includes SiC WRR0901 SI IMA 0903 SI U1 2 x 1 5 x 6 Includes SiC WRR 0911 SI IMA 0913 SI U2 1 x 1 x 6 Includes SiC WRR 0921 SI IMA 0923 SI U3 3 x 2 5 x 6 Includes SIC WRR 0931 SI IMA 0933 SI Material Product Group Size or Description Part CFR PTFE UO 1 5 x 1X5 WRR 0900 SI U1 2x1 5x6 WRR 0910 SI U2 1x1x6 WRR 0920 SI U3 3x2 5x 6 WRR 0930 SI Sintered Silicon Carbide UO 1 5x 1x 5 WRR 0901 SI U1 2x1 5x 6 WRR 0911 SI U2 1x1x6 WRR 0921 SI U3 3x2 5x 6 WRR 0931 SI CFR ETFE U0 1 5x1x5 RGR 0900 S U1 2x1 5x6 RGR 0910 SI U2 1x1x6 RGR 0920 SI U3 3 x 2 5 x6 RGR 0930 SI Pure PFA UO 1 5 x 1 x 5 RGR 0901 SI U1 2x1 5x6 RGR 0911 SI U2 1x1x6 RGR 0921 SI U3 3 x 2 5 x6 RGR 0931 SI Ductile Iron IEC Motor Frames 80 thru 100 112 ADP 0905 SI IEC Plate add to ADP 0905 for mounting IEC 132S M ADP 0910 SI Ductile Iron All Model Sizes FTA 0900 SI 6 10 Centerline Riser Block for U1 amp U3 FTA 0910 SI 7 10 Centerline Riser Block for U3 FTA 0911 SI CFR ETFE All Model Sizes SUB 1603 M0 Pure PFA All Model Sizes SUB 1603 M1 Www verder com January 2010 71 12 13 231 1 Collar Back Thrust 1 Collar Front Thrust 1 Gasket O Ring 1 Shell Containment Item Qty Part Name 232 235 239 1 Magnet Assembly Outer 1 Bushing Bearing 1 Ring Containment 300 10 Socket Head Cap Screw 301 10 Lock Washer U Series VERDERMAG Carbon Fiber P
15. TFE Sintered Silicon Carbide Sintered Silicon Carbide FEP Viton Viton EPDM CFR ETFE Kevliar Comp Pure PFA Keviar Comp Material Ductile Iron NdFeB Carbon Graphite Sintered Silicon Carbide Ductile Iron 304 SS 304 SS All Model Sizes All Model Sizes U0 1 5x1x5 U1 2x1 5x6 U2 1x1x6 U3 3x 2 5 x 6 All Model Sizes All Model Sizes All Model Sizes All Model Sizes Includes CRT 0900 SI All Model Sizes Includes CRT 0901 Sl All Model Sizes Includes CRT 0901 Sl Product Group Size or Description IEC 80 IEC 90S L IEC 100L 112M 5 hp 3 7kW max IEC 100L 112M 10 hp 7 5kW max IEC 132 All Model Sizes All Model Sizes All Model Sizes M10 x 25mm M10 www verder com CRT 0900 SI CRT 0901 SI CRT 0905 SI CRT 0915 SI CRT 0925 SI CRT 0935 S GTO 0903 SI GTO 0904 SI GTO 0905 SI SLC 0900 S SLC 0901 SI SLC 0903 SI Part MAO0 0911 SI MAO0 0912 SI MAO0 0913 SI MAO0 0914 SI MAO0 0915 SI BGB 0901 Sl BGB 0900 Sl RGC 0900 SI HDW O900 SI HDW O901 SI January 2010 VERDERMAG If you require spare parts please contact your local distributor providing the following details e Pump Model e Type e Serial Number and e Date of First Order 7 4 Customer Services 7 5 Notification Of Return Of Goods We wish to return the product for an estimate of repair and confirm that we have completed all relevant details We wish to return the following Ver
16. VERDERMAG VERDERMAG U Series Installation Operating and Maintenance Manual U w www verder com January 2010 Series Index 1 0 PREFACE 1 1 VERDER the Company 1 2 Product Information 1 3 Guarantee 2 0 Safety Instructions 2 1 Basic Do s and Don ts 2 2 General Instructions 2 2 1 Receiving the pump 2 2 2 Pump Identification 2 3 Installation and Operation Instructions 2 3 1 Piping 2 4 Maintenance and Repair Instructions 3 0 STORAGE 4 0 INSTALLATION VERDERMAG 5 0 COMMISSIONING 5 1 Preparation before Operation 5 2 Commissioning Procedure 6 0 OPERATION NOTES 7 0 MAINTENANCE 1 1 Preventive Maintenance 7 2 Bearing Wear Chart 7 3 General Assembly Disassembly 7 4 Customer Services 7 5 Notification Of Return Of Goods Form 7 6 TROUBLESHOOTING 8 0 ATEX 8 1 Certificate 8 2 Risk assessment U _ www verder com January 2010 Series VERDERMAG 1 0 PREFACE 1 1 The VERDER Group The VERDER Group is comprised of technical trading and production companies with offices in Austria Belgium England France Germany Holland Hungary Romania the Czech and Slovak Republics and the USA Group Headquarters is in Holland with a staff of approximately 300 people worldwide of which 20 are employed by production works together with a network of distributors in the USA South Africa and the Far East selling pumps and other supplies from more than thirty foreign suppliers as well as marketing VERDER
17. allel alignment of pipe and pump flanges The following flange bolt torque values should be used 1 1 2 12 16 Nm 2 24 32 Nm 3 31 40 Nm 4 36 49 Nm e Piping should be supported independently of the pump and line up naturally to pump flanges U Series www verder com January 2010 VERDERMAG e Pressure gages should be installed in both the suction and discharge piping The gages will enable the operator to easily observe the operation of the pump and to determine if the pump is operating in conformance with the performance curve If cavitation or other unstable operation should occur widely fluctuating discharge pressures will be noted Suction Piping lf Reducers are used they should be eccentric and installed at the pump suction flange with eccentric side on the bottom The length of the suction pipe should be kept to a minimum Suction piping should be installed with a gradual rise to the pump to eliminate any air pockets The diameter of the suction pipe should always be as large or larger then the pump suction Elbows or fittings should be avoided at suction flange Allow at least 10 pipe diameter in length for straight run into the pump lf a value is used in the suction use only full flow valves These valves should be for shut off only when the pump is not running not for throttling or controlling flow A valve designed for flow control should be installed in the discharge This valve line can be used
18. and will drain on removal of the casing The magnetized components i e the pump shaft assembly and the outer rotor assembly must be clean and free of all debris All threaded components must be coated with anti seize compound such as copper slip or pcb New sealing joints should be fitted The unit must be assembled in a clean area Note The inner and outer rotors are magnetic and will attract debris They must be protected at all times Tools Required 8mm or 5 16 Hex Key Pump end 1 4 T Handle Hex Key Outer Drive Crescent Wrench Motor amp Base mounting Tool kits were created for easy assembly and disassembly of VERDERMAG pumps Refer to appendix for kit contents and drawings U _ www verder com January 2010 Series VERDERMAG WET END ER Figure 14 Wet End Parts 1 Place the casing Item 1 with suction side down on a clean surface Insert the front thrust collar Item 72 into the lined casing suction Align the keyway of both parts as shown in figure 15 y Align Keyway Figure 15 Insert Front Thrust Collar U _ www verder com January 2010 Series VERDERMAG 2 Insert Front Stationary Retaining Ring Item 9 drive pin into the casing lining keyway o Drive pin fa Figure 16 Insert drive pin 3 Press on each wave of the retaining ring while sliding into the casing lining groove Trim the retaining ring end to meet the drive pin Optional to ensure the retaining
19. arbide Wear Find Front Rotating CFRIPTFE or Silicon Carbide Retaining Ring Front Stationary TEFZEL or PFA Adapter Ductile Iron Riser Pump Ductile Iron Particulate Control Ring TEFZEL or PFA Collar Back Thrust CFRIPTFE or Silicon Carbide Collar Front Thrust Silicon Carbide Gasket O ring FERS Y iton Core Viton or EPDM Shell Containment TEFZEL Fiber Reinforced vinyl Ester Magnet Assembly Outer Ductile lronfMeodymium Iron Bushing Bearing Carbon Graphite or Silicon Carbide Ring Containment Ductile Iron W10 Socket Cap Screw Lock Washer 30455 U _ www verder com January 2010 Series 1 1 Casing 2 1 Impeller Magnet Item Qty Part Name 8 1 Wear Ring Front 9 1 Retaining Ring Front 19 1 Adapter 20 1 Foot Adapter 27 1 Particulate Control Ring U Series Product Group Size or Description VERDERMAG em Oty Pari Name Maer Ductile Iron ETFE Lining UO 1 5 x 1 x 5 ANSI ISO JIS NO casing drain LE 0900 SI UO 1 5 x 1 x 5 ANSI ISO JIS Includes 7 flanged drain CSG 0901 SI U1 2x 1 5 x 6 ANSI ISO JIS NO casing drain CSG 0910 SI U1 2x 1 5 x 6 ANSI ISO JIS Includes 1 2 flanged drain CSG 0911 SI U2 1 x 1x6 ANSI ISO JIS NO casing drain CSG 0920 SI U2 1 x 1x6 ANSI ISO JIS Includes 72 flanged drain CSG 0921 SI U3 3 x 2 5 x 6 ANSI NO casing drain CSG 0930 SI U3 3 x 2 5 x 6 ANSI Includes LG flanged drain CSG 0931 SI U3 3 x 2 5 x 6 ISO NO casi
20. ck that the required flowrate is obtained Ensure that minimum safe flow requirements are exceeded Do not close the valve excessively If a flow meter is not installed obtain the value of capacity from the values of pressure gauges ampere meter and friction loss head Warning NEVER let the pump run dry NEVER let the pump run against closed valve U Www verder com January 2010 Series VERDERMAG 6 0 Operation Notes 1 Dry Running Dry running must be avoided Before operating make sure that the pump is primed and vented Pumping temperature pressure should ensure the pumped product remains in the liquid phase at all times 2 Cavitation Cavitation damages the internal pump parts such as bearing and impeller or can cause abnormal wear therefore the pump should be stopped immediately under cavitation running Do not close the suction gate valve while the pump is in operation 3 Disassembly of Magnet Coupling If the magnet coupling becomes disconnected due to overload or another reason stop the pump immediately If the pump is operated for long periods under this condition magnet and bearing damage will occur 4 Variation in Liquid Temperature If the temperature of the liquid varies over the limits of your pump damage may occur For specific data on your pump please see maintenance manual 5 Electrical Failure When the electric power supply fails cut the supply to the pump at once and close the discharge va
21. com January 2010 Series VERDERMAG 18 Set the outer magnet assembly depth by positioning the circumferential groove on the outer magnet to the adapters raised face Use a shim ruler or screw driver to align the driver Set Screws Figure 39 Setting the Outer Drive 19 Remove pipe plug on the side of Adapter to access the set screws Torque the outer drive magnet to motor shaft using a 3 16 T Handle Hex Key Proper torque value is 120 in lbs Figure 40 Setting the Outer Drive 20 To remove the new outer magnet assembly simply grab with two hands and pull If locked place 1 2 13 threaded rod into the jackscrew plate Secure the plate with two screws torque and remove 2 tapped holes Figure 41 Remove Outer Magnet Assembly U www verder com January 2010 Series VERDERMAG MAGNETIC Strong magnetic attraction when assembling drive end to wet end WARNING Keep hands and fingers away from magnets during assembly Serious injury can result 21 Slowly slide the wet end towards the drive end Tighten the 4 M10 socket head cap screws to torque values in Table 3 Figure 42 Assemble Pump 22 Complete U mag Pump Figure 43 Assembled Pump U www verder com January 2010 Series VERDERMAG Pump Item List 19 232 27 6 235 8 g d HI 300 239 231 fi 73 2 Casing Ductile Iron TEFZEL lining impeller Magnet Assembly TEFZEL or PF AS Shat Pump Silicon C
22. ctive The bare shaft pump will be supplied with a Certificate of Incorporation The persons responsible for fitting the motor will be responsible for ensuring the unit is assembled correctly the tag plate stamped appropriately and affixed to the pump and they will need to produce a Declaration of Conformity ATEX directive The bare shaft pump will be supplied with a Declaration of Conformity The persons responsible for fitting the motor will be responsible for ensuring the unit is assembled correctly the tag plate stamped appropriately and affixed to the pump and they will need to produce a Declaration of Conformity The ATEX certification relies on constructional safety and liquid immersion as ignition control measures The temperature rating will be set with a minimum 10 safety margin of the maximum pumping temperature The temperature class is reliant upon liquid immersion and flows within the specified minimum and maximum levels to ensure adequate circulation and heat dissipation Temperature class Maximum surface temperature C Ooo 2 1B Remark Maximum pumping temperature will be the lower of e Temperature limited by the materials of construction of the pump listed in the selection guidance or e 90 ofthe T rating required Ambient temperatures for the unit will be as stated for the motor installed generally this will be 20 C to 40 C Outside these ambient temperatures individual assessment is required U W
23. der product subject to a 30 restocking charge subject to prior agreement with Verder We wish to claim in accordance with your terms of warranty in respect of the following Verder product Please delete as applicable Customer Name Location Customer Contact Name Customer contact tel fax numbers Your Order Number Our Invoice Number Pump Unit Serial No Date Returned Customer observation of failure Reason for return please delete as applicable Reason for claim Must be completed if repair replacement is being claimed against warranty Verder warrants against faulty manufacture and or workmanship Please advise the basis of this claim Has Item been used YES NO If Item has been used please include the Hazard Data Sheet If item has been used please advise full duty conditions below Liquid Flow Rate Specific Gravity Head metres Viscosity Suction Flooded Self Priming Solids Content Solids Size mm Solids Type Hard Soft Electricity supply volts phase cycles Approximate hours of usage prior to return certify that the above information is correct Customer Signature Date This form must be submitted to Empo Verder prior to any product being returned an additional copy must accompany the returned unit otherwise it cannot be accepted by our goods inwards department Please note that warranty may be invalidated if the unit is opened or a non Verder r
24. e and the electric motor current is recommended to detect pump failure before any major damage occurs When any abnormal condition is found contact youre nearest agent U Www verder com January 2010 Series VERDERMAG The preventative maintenance and disassembly procedures are intended for use during standard field inspection or service The disassembly can take place with the pump still piped in or in a maintenance shop Warning Lock out the driver power to prevent accidental start up that could result in serious personal injury 1 Lock out and or disconnect power 2 Shut off all valves controlling flow to and from the pump Isolate the pump from the system and relieve any remaining system pressure Drain and decontaminate the pump in accordance to all federal state local and company environmental regulations All VERDERMAG pumps are equipped with a flanged 72 casing drain Warning When handling hazardous and or toxic fluids skin eye and respiratory protection are required If pump is being drained precautions must be taken to prevent injury and or environmental contamination Warning MAGNETIC VERDERMAG pumps contain extremely strong magnets The use of non magnetic tools and work surface is highly recommended Tools Required V 8mm or 5 16 Hex Key Pump end 1 Begin pump disassembly by separating the wet end Lighter Color from the drive end DarkerColor Inspections can take place eit
25. e date This warranty does not cover failure of parts or components due to normal wear damage or failure that in the judgment of VERDER arises from misuse Warranty will not be accepted on any unit where the unit has been disassembled prior to return without the express permission of VERDER 1 3 Guarantee Parts determined by VERDER to be defective in material or workmanship will be repaired or replaced Limitation of liability To the extent allowable under applicable law Verder s liability for consequential damages is expressly disclaimed Verder s liability in all events is limited and shall not exceed the purchase price Warranty disclaimer VERDER has made an effort to illustrate and describe the products in the enclosed brochure accurately however such illustrations and descriptions are for the sole purpose of identification and do not express or imply a warranty that the products are merchantable or fit for a particular purpose or that the products will necessarily conform to the illustration or descriptions Product suitability Many regions states and localities have codes and regulations governing the sale construction installation and or use of products for certain purposes which may vary from those in neighbouring areas While VERDER attempts to assure that its products comply with such codes it cannot guarantee compliance and cannot be responsible for how the product is installed or used Before purchasing and using a
26. e of flammable explosive pumped liquid into the pedestal Prevent by User instructions Level Monitoring installation of suitable drain Inadequate suction pressure can lead to cavitation which if unchecked can result in internal vibration and breakdown of the hydrodynamic liquid film around the bearings This will Cause excessive wear and premature failure Prevent by Selection procedure User instructions Pumped liquid must be chemically compatible with the materials of construction Chemical attack will affect the bearings and shaft support and can cause premature failure Prevent by Selection procedure User instructions Use of greases on gasket surfaces etc may be a possible source of ignition in certain circumstances Follow instructions www verder com VERDERMAG Type of Protection Symbol EN13463 1 User instructions source b EN13463 1 User instructions source b EN13463 1 User instructions EN13463 1 User instructions EN13463 1 User instructions EN13463 1 User instructions January 2010 VERDERMAG Potential ignition source Normal Operation Rare Malfunction Expected Malfunction Oversized solids passing through the pump Excessive volume of solids passing through the pump Blockage of flow holes Excessive bearing wear and failure Control Measures Applied to prevent source becoming active Refer for maximum size to the selection
27. ent tube Motor bearing failure Control Measures Applied to prevent source becoming active Pump will not operate at expected performance If condition is maintained for an extended duration this may lead to poor circulation and premature failure De coupled operation occurs when the outer magnet breaks away from the internal magnet The internal magnet remains stationary whilst the outer magnet continues to rotate The internal magnet is then subjected to rapid changes from attraction to repulsion causing vibration and build up in eddy current heat If unchecked this will cause severe damage and lead to the build up of temperatures above the temperature class The clearances in the pump even if the tolerances are in worst case do not permit contact providing the bearing wear does not exceed the permitted allowances Excessive bearing wear or bearing failure will lead to contact with subsequent heat build up and wear of other parts Failure of motor bearings can lead to the outer rotor magnet catching on the pedestal causing localized heat If unchecked the rotor could cause contact with the containment tube ATEX motor to be used Maintenance and regular inspection checks Non sparking materials to be used www verder com Type of Protection Symbol EN13463 1 User instructions EN13463 1 User instructions EN13463 1 User instructions EN13463 1 User instructions January 2010 VERDERM
28. epresentative attempts a U www verder com January 2010 Series 7 6 Troubleshooting Problem e Pump Vibrates e Insufficient Discharge e Motor is overheating e When the Discharge Valve e No pumping achieved e Liquid drops when discharge valve is opened after starting of pump U Series VERDERMAG Reason a Incorrect mounting b Drive Magnet broken c Motor bearing worn d Incomplete foundation e Mounting bolts are loose f Cavitation exists g Pump bearing shaft magnet capsule broken down or worn h Drive magnet broken i Motor bearing worn a Pump rotates in reverse b Insufficient pump rotating speed c Suction pipe is clogged with foreign particles a Output is overpowered b Ambient temperature is high a Magnet coupling is de coupled b Is the output overpowered c Air enters through the junction of suction pipe a Suction pipe is clogged with a Air is penetrating through suction pipe c Disconnection of magnet coupling www verder com Action a Secure mounting b Replace c Replace d Make proper foundation e Retighten them f Remove the cause of cavitation g Replace with new one h Replace with new one i Replace with new one a Change the motor connections b Inspect the motor and wiring c Clean the suction pipe a Inspect whether or not the S G and viscosity of the liquid in use are correct as per datashee
29. f pressure During maintenance and repair work be sure that no unauthorized personnel can operate the pump Tip Only return pumps when cleaned Tip If you have any questions and or remarks please contact Verder Warning Do not change or alter the pump drive or pump connections without consulting Verder Do not alter the mounting position No obligations can be met when the aforementioned is not taken into account 3 0 Storage 1 Ifthe pump unit is not to be used immediately it should be stored carefully in a horizontal position in a sheltered dry location 2 Closure s fitted over suction and discharge openings must remain in position Bearings and coupling if fitted must be carefully protected against dust grit and other foreign matter 3 A rust preventative should be applied to all unpainted carbon steel or cast iron parts and should not be removed before final installation 4 For long term storages pumps should be rotated by hand at least five revolutions every two months U Series www verder com January 2010 VERDERMAG 5 For extreme variants in atmospheric temperature conditions we reserve the right to modify the aforementioned storage instructions 4 0 Installation The magnets used to drive the pump are very powerful Care should be taken when handling both the outer and inner magnets during disassembly and assembly Completely close both discharge and suction valves before assembly Be very caref
30. hen pumping with a centrifugal pump ensure that the valves in both the discharge and suction lines are open Warning The pump must be installed in such a way to eliminate vibrations Suction and discharge pipes always need to be constructed so that a stress free connection is guaranteed Warning Use the correct connections at the suction and discharge ends of the pump Use the correct pipe diameter reduction of the diameter is not recommended due to the high pressure created at the pump discharge Tip When pumping extremely aggressive or dangerous liquids it is recommended to have a vent to the storage tank We would strongly advise that in these circumstances you install a discharge and suction valve 2 3 1 PIPING General VERDERMAG pumps are designed with all the necessary strength factors for long reliable service life Some general guidelines are described here for your pump installation needs It is good practice to install a throttling type shut off valve in the discharge piping Throttling the discharge during initial start up is recommended to protect against water hammer which is most likely to happen when there are long pipe runs at high flow velocity e Piping should be arranged to allow pump flushing prior to removal of the unit if handling corrosive liquids e When Teflon or similar lined pipe is used flange alignment should be carefully checked Spacer ring gaskets are recommended to assure par
31. her piped up or in the maintenance shop Wet End OE Drive End Figure 3 Begin disassembly of Wet Driver End U Wwww verder com January 2010 Series VERDERMAG 2 Loosen and remove 4 10 mm socket head cap screws Item 300 on the Adapter Item 19 300 Figure 4 Loosen cap screws 3 To break the magnetic field of the wet drive end firmly hold either end and use a quick pulling motion to separate the two Rotate the driver assembly allowing space for disassembly of the liquid end Vet End Driver End Figure 5 Separate wet driver end Caution The shop area must be clean and free of any ferrous particles Magnetic Reminder Keep all metal tools away from magnetic field of the impeller and outer drive assemblies 4 Set the wet end on a flat surface with suction flange down Loosen and remove 6 10 mm socket head cap screws Item 300 on the Containment Ring Item 239 U www verder com January 2010 Series VERDERMAG Figure 6 Loosen wet end cap screws Warning Each component must be individually decontaminated using procedures in accordance with all federal state local and company environmental regulations Preventative Maintenance Inspection Magnetic Reminder Keep all metal tools away from magnetic field of the impeller and outer drive assemblies 1 Firmly hold the containment shell tem 231 and slowly pull the assembly away from the casing Item 1 The
32. ic pumps or their parts Pacemaker and implantable defibrillators are examples of these devices The magnets used in this pump are some of the strongest available in the world No hands or fingers should be placed between the magnets Do not put magnetic field sensitive items such as credit cards floppy diskettes or magnetic tapes near magnets 4 Nosteel or iron tools near the magnets Steel tools such as wrenches and screwdrivers are easily attracted by the magnets and can break them on contact 5 Liquid poured in casing for initial priming must be compatible to incoming liquid oN 2 2 General Instructions Warning Pumps must always be accessible for operation and maintenance passageways should not be locked or blocked Warning If dangerous or unknown substances have been used in the pump before maintenance and repair work always empty and clean the pump Read the safety instructions as mentioned in the chemical data booklet Warning When pumping dangerous substances ensure compatible materials of construction are used Warning When returning used pump units they must be accompanied by relevant COSHH and completed copy of the returns documentation enclosed in maintenance manual original to be kept with the manual 2 2 1 Receiving the pump All VERDERMAG pumps are inspected prior to shipping and protectively crated for safe transportation VERDERMAG cannot however guarantee the safe arrival at the
33. ies who are manufacturers or suppliers for the group Foresight in implementing this business structure has meant that cost and purchasing advantages can be passed on to the customers in the form of competitive pricing Major benefits are also achieved implementing technical or dealing with warranty guarantee requirements VERDER Group recognises its responsibilities to its worldwide customers and will always seek to meet or exceed their expectations 1 2 Product Information VERDERMAG manufacturer of VERDERMAG Zero Leakage Centrifugal pumps magnetically coupled seal less pumps for pumping and transportation of liquids and chemicals both in metallic and non metallic construction VERDER also manufactures the VERDERFLEX range of peristaltic tube pumps This manual refers in detail to the VERDERMAG non metallic Zero Leakage Centrifugal Pumps The TB pumps are for those applications which fall below ISO norms and are manufactured to Verder s own standard For motor specification and safety instructions please refer to motor manufacturers details in the data dossier where applicable EMPO VERDER is located in Aartselaar Belgium Address telephone and fax number details are listed on the back cover of this manual U Www verder com January 2010 Series VERDERMAG All VERDER pumps are warranted to the original user against defects in workmanship or materials under normal use rental use excluded for two years after purchas
34. impeller tem 2 will remain inside the containment shell by magnetic attraction to the ductile iron containment ring item 239 Figure 7 Open wet end U _ www verder com January 2010 Series VERDERMAG 2 Remove impeller Item 2 Figure 8 Remove impeller 3 Remove containment shell tem 231 from containment ring Item 239 Figure 9 Remove containment shell Visual Part Inspection Visually inspect all pump internals for any wear cracks chips or scoring Use Table 3 for wear limits Follow procedures in complete assembly section of the manual for replacing wear parts Kevlar Composite Figure 10 Containment Shell Assembly U _ www verder com January 2010 Series VERDERMAG 2 IMPELLER MAGNET ASSEMBLY Carefully inspect and clean the following viewed in Figure 11 e Wear Ring Front Item 8 if material is CFR PTFE Check for wear amp abrasion rule of thumb replace if lubrication flutes are worn away SiC Check for cracks or chips e Bushing Bearing Item 235 if material is C Graphite Check for wear amp abrasion SiC Check for cracks or chips e Impeller body inspection check for abrasion scoring debris amp erosion of leading and trailing edges of vanes Figure 11 Impeller Magnet Assembly 3 CASING ASSEMBLY Carefully inspect and clean the following viewed in Figure 12 e Collar Front Thrust tem 72 Check for cracks or chips e Retaining Ring Front
35. ing failure gt 2 Open the discharge valve VerderMag pumps operate safely with the discharge valve partially open Caution Continous operation against a closed discharge valve may cause pump to overheat AN 3 Briefly jog the motor long enough to determine the direction of rotation Correct rotation viewed from the suction port is CCW as indicated by the arrow on the front of the casing Improper rotation will not damage the pump but performance will be greatly reduced 4 Start the pump Caution Immediately check pressure gauges If discharge pressure is not quickly reached stop the driver reprime and attempt to restart gt Pump Performance 1 Set flow rate and pressure by regulating the discharge valve Caution Never throttle pump using the suction valve gt 2 Check the pump and piping to assure that there are no leaks 3 Check and record pressure gage readings for the future reference Caution Never operate pump above rated temperature of 121 T Never operate pump above rated pressure 20 bar Never operate below minimum flow rates Refer to table 1 gt VERDERMAG recommends the use of a power monitor to prevent pump damage under atypical operating conditions Warning Driver may overload and de couple if pumpage specific gravity is greater than Originally specified Prolonged running while de coupled will damage the driver magnets Refer to Table 1 g
36. lve 6 Maximum permissible system pressure Ensure the system pressure does not exceed the pressure capabilities of the pump ATEX 01 03 Failure to operate the pump unit within the specified parameters may result a rare malfunction giving rise to the possibility of an effective source of ignition Reference should be made to the ATEX certificate of conformity and the ignition hazard assessment This will be incorporated within the Manual This ATEX certification only applies to the pump head and should be applied in conjunction with the motor certification not applicable to pump units installed in non hazardous areas 7 0 Maintenance 7 1 Preventive Maintenance Decommissioning Procedure 1 Gradually close the discharge gate valve Never close the discharge piping suddenly e g by use of a solenoid valve It may create water hammer and subsequent pump and or pipework damage 2 Shut off the electrical supply monitor if the speed of rotation falls slowly and smoothly If it is not smooth check the inside of the pump and the drive magnet for any abnormal condition 3 When stopping the pump for an extended period remove all liquid from the pump or keep the pump warm to prevent freezing 4 Where a standby pump is available it is recommended that it is used from time to time An annual overhaul is recommended however daily maintenance such as inspection of discharge and suction pressure flowrate vibration voltage nois
37. ng drain CSG 0932 SI U3 3 x 2 5 x 6 ISO Includes 1 2 flanged drain CSG 0933 Sl U3 3 x 2 5 x 6 JIS NO casing drain CSG O0934 SI U3 3 x 2 5 x 6 JIS Includes 4 flanged drain CSG 0935 S Ductile Iron PFA Lining UO 1 5 x 1 x 5 ANSI ISO JIS NO casing drain CSG 0902 SI UO 1 5 x 1 x 5 ANSI ISO JIS Includes 7 flanged drain CSG O0903 SI U1 2x 1 5 x 6 ANSI ISO JIS NO casing drain CSG 0912 Sl U1 2x 1 5 x 6 ANSI ISO JIS Includes 1 2 flanged drain CSG 0913 Sl U2 1x 1 x 6 ANSI ISO JIS NO casing drain CSG 0922 SI U2 1 x 1x6 ANSI ISO JIS Includes 72 flanged drain CSG 0923 Sl U3 3 x 2 5 x 6 ANSI NO casing drain CSG 0936 SI U3 3 x 2 5 x 6 ANSI Includes 1 2 flanged drain CSG 0937 Sl U3 3 x 2 5 x 6 ISO NO casing drain CSG 0938 Sl U3 3 x 2 5 x 6 ISO Includes 1 2 flanged drain CSG 0939 Sl U3 3 x 2 5 x 6 JIS NO casing drain CSG 0940 SI U3 3 x 2 5 x 6 JIS Includes 4 flanged drain CSG 0941 Sl CFR ETFE UO 1 5 x 1 x 5 Includes CFR PTFE WRR 0900 SI IMA 0900 SI UO 1 5 x 1 x 5 Includes SiC WRR 0901 Sl IMA 0901 SI U1 2 x 1 5 x 6 Includes CFR PTFE WRR 0910 Sl IMA 0910 SI U1 2 x 1 5 x 6 Includes SiC WRR 0911 Sl IMA 0911 SI U2 1 x 1 x 6 Includes CFR PTFE WRR 0920 S1 IMA 0920 SI U2 1 x 1 x 6 Includes SiC WRR 0921 SI IMA 0921 SI U3 3 x 2 5 x 6 Includes CFR PTFE WRR 0930 SI IMA 0930 SI U3 3 x 2 5 x 6 Includes SiC WRR 0931 S
38. nge connecting bolts and base mounting bolts If possible pressure tests your installation 3 Use the motor fan to turn the motor and check whether or not it turns freely 4 Completely close the discharge valve U Www verder com January 2010 Series VERDERMAG 5 When the suction condition is under pressure check the pressure within the suction pipe and verify that the pump is filled with liquid Then using the motor fan rotate the pump to expel the remaining air in the impeller from the pump chamber 5 2 Commissioning Procedure 1 Close the cocks of the pressure and vacuum gauges Open the cocks only when measuring and always keep closed after use 2 Fully open the suction gate valve and partly open the valve on the discharge line 3 Before starting up ensure that the piping and wiring are installed correctly 4 Turn the motor fan by hand and ensure that the pump rotates smoothly Operate for a few seconds to check that the motor is rotating in the correct direction An arrow shown on the pump indicates the correct rotating direction If rotation is incorrect interchange power source leads of 2 phase terminals 5 Start the pump If the pump fails to start check the wiring to determine the cause of the trouble 6 Check the discharge pressure and then gradually open the gate valve until the pressure reaches the required level When the valve is opened excessively it may cause overload and magnet de coupling Che
39. ring security stake the ends together Figure 17 Insert Front Retaining Ring 4 Place the Particulate Control Ring Item 27 into the containment shell Item 231 aligning the keyways with drive tabs Snap the ring into position Use a rubber hammer to tap ring if necessary d Align Keyway Figure 18 Particulate Control Ring U www verder com January 2010 Series VERDERMAG 5 All U mag Containment Shells Item 231 have a built in Rear Thrust Collar Item 71 and Pump Shaft Item 6 Use pliers to remove the thrust collar if damaged or worn Simply snap in a new ring by hand or use an arbor press in combination with rear thrust collar installation tube show in the appendix EE Figure 19 Containment Shell Assembly 6 Check Gasket O ring Item 73 for dirt before placing onto the containment shell Stretch the o ring into the sealing groove Figure 20 Gasket O ring 7 Place Containment Shell assembly Item 231 into the Containment Ring Item 239 EE Figure 21 Containment Ring U Www verder com January 2010 Series VERDERMAG 8 Place Bushing Bearing Item 235 into impeller Item 2 bore aligning keyway with molded key Once aligned use Bushing installation tube see drawing in appendix and an arbor press to push into position Align Keyway Molded Key 235 Figure 22 Assemble Bushing Bearing 9 Place Wear Ring Front Rotating Item 8 into impeller Item 2
40. s upon using sound and prudent operating maintenance and servicing procedures performed by properly trained personnel Instructions and safety procedures contained herein must always be followed As such VERDERMAG shall not be liable for any damages or delays caused by failure to observe any instructions or warnings in this manual DANGER The use of the word DANGER always signifies an immediate hazard with a high likelihood of severe personal injury or death if instructions including recommended precautions are not followed CAUTION The use of the word CAUTION signifies possible hazards or unsafe practices which could result in minor injury product or property damage if instructions and recommended precautions are not followed WARNING The use of the word WARNING signifies the presence of hazards or unsafe practices which could result in severe personal injury or death if instructions including recommended precautions are not followed U Www verder com January 2010 Series VERDERMAG MAGNETIC The use of the word MAGNETIC indicates the persistent presence of a magnetic field Such fields present immediate danger to individuals having electronic medical devices metallic heart valves metallic prosthetics or metallic surgical clips Caution 1 Reed switches people who are assisted by electronic devices that may or may not contain reed switches should not handle magnet
41. t U Www verder com January 2010 Series Tabel 1 Model Connections Flow mam BEE Suction Discharge Min Mes Him Bois Max kW U25 125 U40 160 U25 160 U65 160 U Series DN 40 DN 50 DN 25 DN 80 DN 25 DN 40 DN 25 DN 65 VERDERMAG 0 2 0 2 0 2 www verder com 22 32 83 25 31 220 350 1000 Temp Motor 121 7 5 121 7 5 121 7 5 121 7 5 January 2010 VERDERMAG 2 4 Instructions for Maintenance and Repair Work PPPPP M Warning Capable suitably trained and authorised personnel should only carry out the maintenance and repair work of VerderMag centrifugal pumps Warning lf dangerous or unknown substances have been used in the pump prior to maintenance and repair work always clean the pump first Warning Ensure when the pump has been operated at extremes of temperatures that is has reached safe limits before handling Warning When pumping dangerous or unknown liquids protective clothing glasses gloves etc should always be worn Warning Before working on the pump you must first release the pressure from the discharge pipe Always empty and clean the pump Always check the safety instructions referring to the pumped liquid Danger Before commencing any pump maintenance ensure the power supply is disconnected from the driver turn off the main power Check the pump is free o
42. t Check whether the voltage and frequency of the motor are correct b Improve ventilation a Manually rotate the pump to check whether or not it runs smoothly b Measure the current Check whether the voltage is within the rating c Inspect whether or not the junction of suction pipe is sealed Inspect the suction liquid level a Clean the suction pipe foreign particles a Check if flanges are sufficiently sealed b Check if suction liquid level is abnormally low c If motor fan does not rotate smoothly with a screwdriver make sure that there is no foreign matter in pump and around pump bearing Check for overload and incorrect power voltage January 2010 e Pointer of pressure gauge stays at low position and does not go up e Discharge capacity is too low foreign matter e Vacuum gauge indicates very high value e Vacuum gauge shows high value but pressure gauge shows normal value e Pressure gauge shows high value while vacuum gauge shows normal value e Both pressure gauge and vacuum gauge show low value e Motor is overheated e Discharge capacity suddenly drops U Series VERDERMAG Problem SC Reason a Rotation speed is low b Impeller reverses a Strainer is clogged with a Air pocket exists in suction pipe b Foreign matter clogs the inlet of impeller c Air penetrates through suction line d Foreign matter clogs the discharge side of pump a
43. tem 9 Check for cracks e Lining check for abrasion scoring amp debris Clean gasket sealing area thoroughly d N Lining Figure 12 Casing Assembly U _ www verder com January 2010 Series VERDERMAG 4 DRIVER END Carefully inspect and clean the following viewed in Figure 11 e Magnet Assembly Outer Item 232 A stainless steel cup protects the magnets from damage Wipe clean any particles attracted to the magnets Wipe Clean Figure 13 Driver End 7 2 Bearing wear Chart Part Ninew Replace Pump shaft Di ZS 0 875 0 565 gt Wear Ring Front i Thickness ZA 217 0 250 Bushing Bearing OD f KS 0 876 DE E Collar Rear Thrust Thickness EEN 0 213 0 186 i ii jy tef Table 3 Wear Limits U www verder com January 2010 Series VERDERMAG 7 3 Complete Pump Disassembly Assembly Caution Due to the brittle nature of SiC all assemblies must be handled with care to avoid chipping or cracking Warning When dismantling and reassembling take care not to trap your finger between magnetic parts because of its high power Also do not bring any electronic equipment into the powerful magnetic field around the magnet because problems may occur Close the suction and discharge valves before disassembly and re assembly Ensure the pump is isolated from the power supply Remove the pump from the pipework installation The pump will hold a small amount of product
44. ul when pumping corrosive liquids There may be a residue in the pump even after flushing Remark Prior to installation ensure you have knowledge of pumping principles Warning Always wear protective clothing and facemasks when handling contaminated or corrosive liquids Descriptions 1 Installation Mount the pump on a horizontal base plate ensuring it has sufficient strength and rigidity to support the pump When mounted on a skid mate the pump to the system pipework 2 Foundation The surface should be level Correctly sized anchor bolts should be used when securing the pump 3 Piping The suction piping should be as short as possible and with a minimum number of long radius bends and other restrictions Excessive length and sharp changes in the direction of flow may lead to flow instability and cavitation The available NPSH should exceed the required NPSH at least 0 5 m See respective performance curve for the required NPSH The suction piping should never be smaller than the pump inlet When pumping viscous or hot liquids lower flow velocities and larger pipe diameters are recommended Mate the pump to the connecting pipework ensuring the pipework is supported independently eliminating any tremors weight or vibration transmitted from connecting piping to the pump 5 0 Commissioning 5 1 Preparation before Operation 1 Fully clean the inside of the piping and the pump prior to priming 2 Retighten the fla
45. unning pump against closed valve will prevent adequate flow around the magnets and bearings leading to premature failure Prevent by User instructions Power Flow www verder com Protection Symbol EN13463 1 Clause 6 1 and liquid immersion k EN13463 1 Clause 7 4 and const safety c and liquid immersion K EN13463 1 Clause 8 0 and const safety c EN13463 1 Clause 14 3 and const safety c EN13463 1 User instructions EN13463 1 User instructions and control of ignition source tb EN13463 1 User instructions and control of ignition source b January 2010 Potential ignition source Normal Operation U Series Expected Malfunction Rare Malfunction Operating below minimum safe flow Running off curve Build up of explosive gas in un vented cavities e g Pedestal Excessive cavitation Chemical attack Use of incorrect maintenance materials Control Measures Applied to prevent source becoming active Operation at reduced flow rates may result in build up of eddy current heat potentially exceeding temperature class It may also cause excess vibration leading to failure Prevent by User instructions Power Monitoring Increased flow rates above the maximum safe flow will result in build up of eddy current heat and cause excess vibration leading to failure Prevent by User instructions Power Monitoring Leakag
46. ww verder com January 2010 Series VERDERMAG 8 1 Certificate EG Konformitatserklarung EC declaration of confirmity D claration CE de conformit Declaration de Conformidad Declara o CE de conformidade Dichiarazione CE di conformita EG verklaring van overeenstemming EU overensstemmelseerklaering Samsvarserklaering EG forsakran om verensst mmelse Vaatimustenmukaisuusvakuutus Hiermit erkl ren wir dass das Pumpenaggregat Herewith we declare that the pump unit Par la pr sente nous d clarons que le type de groupe moto pompe Por la presente declaramos gue el grupo Com a presente declaramos que o grupo moto bomba Si dichiara che il modello del gruppo di pompaggio Hiermee verklaren wij dat het pompaggregaat Hermed erklaeres at pumpetype Herved erklaerer vi at pumpeaggregatet C x H2 G H med f rs krar vi att pumpaggregatet Vakuutamme ett pumppukoneikko Baseefa 04 ATEX 0221 DR TYPE SERIAL n folgende einschl gigen bestimmungen in der jewels g tigen fassung entspricht complies with the following provisions as applicable to its appropriate current version correspond aux dispositions pertinentes suivantes dans la version respective en vigueur es conforme a las disposiciones actualemente vigentes de la esta em conformidade com as disposi es pertinentes a sabe na sua vers o corrente conforme elle seguenti disposizione pertinenti nella versione valida al momente voldoet aan de
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