Motor Driven Gear Pumps
Contents
1. connect suction line to threaded port 1 and delivery line to threaded port 2 For pumps either with counter clockwise rotation or bi rotational with suction on right side connect suction line to threaded port 2 and delivery line to threaded port 1 WITHOUT BY PASS Rotation Dimensions mm Liters Left Right E K M N O P His ae pelo jen mre ee 1 4 70 50 5 7 16 5 10 2 3 11 2 32 63 8 7 3 5 37001 o fi e to fun e eelef a pao o e peale 3 8 100 70 7 85 12 3 13 5 42 5 85 12 3 37018 37004 Ss sme xr 75 50 se ux 100 7 9 14 35 5 16 535 102 152 98 90 26 HA Doo ODO eco 32 37123 37010 45 37013 8 1 150 110 130 11 5 11 18 4 6 20 5 65 5 1385 22 5 140 130 38 Looking at the pump from shaft side WITH BY PASS Rotation jos ji Dimensions mm Left Right 37055 37002 JE pep n E ES Liters 37059 37011 37057 37016 37005 H EE 82 1 P at the EI nom shaft side REVERSIBLE B Sunction pos Es RR iters Right E J KI LIM Q R S T U V 37067 1 4 70 5 7 16 5 1 10 2 3 11 2 32 8 7 15 63 67 37020 37003 37069 3 8 100 70 8 5 12 3 13 5 42 5 12 3 1 87 5 37006 t ries as ff T pas e fas fal m pns 37083 37012 5 ara 10 2001220 9 30126 fs 18 se 209226 20830 e E Es E ask to nearest Dropsa for availability Dimensions and features may change without notice 10 Verti2. 0 040 9 9 9 8 TROUBLESHOOTING DIAGNOSTIC TABLE INDICATION The pump does not deliver oil or does not deliver oil in the exact quantity prescribed The pump does not deliver oil at the prescribed pressure PROBABLE CAUSE Drawing in air due to the tank being empty The splash filter is dirty or blocked The connections are loose Pump has deteriorated Pressure regulating valve loose so the oil returns immediately to the tank before flowing through the delivery valve Release valve damaged Incorrect setting of the regulating valve Presence of dirt under the by pass valve REMEDY Refill the tank and purge air from the system Wash the filter and blow it through with compressed air Set all connections ensuring there are no leakages Replace the pump Set the regulating screw until oil exits from the delivery Replace the valve To the pump outlet connect a tube approximately 30cm long with a manometer connected to the free end Regulate the valve by means of turning the screw and reading the corresponding pressure value on the manometer Disassemble the valve and clean or replace it as necessary 9 MAINTENANCE PROCEDURE The pumps require only minimal maintenance To facilitate maintenance it is suggested to install the pump in an easily accessible location Periodically check piping joints to detect possible leaks The machine does not require any special tool for checking or maintenance task
3. ps n p o aw um s e Jr pr pe e D9s mo 28 N Uy N OW N 00 N N N N 00 00 00 00 N 00 N N 1 mb Vertical or horizontal application motor driven pumps motor type B3 B14 4 pole WITHOUT BY PASS Ree aR mre Press EE Dimensions mm Part N Ps he SSD CODE E CID Pos ss os es we 9 anf e n 7 s po e 5 for ow uo wor ss 025 9 pma we oso wo 5 m gt po es oo m mo ow n Eso 55 oss uo am wo 166 wm om s 10 po uo e 5 os wo 10 025 7 pma 9 oso af os ue mo s po 9 es o m ww Emos Pro oss is mo ae uo 166 m m s 10 po e oo m 5 s Eso ae oss s prp wo 20 m er 204 00 9 o po 9 m sa o ns Esos os m man uo 20 19 07 204 o po 9 Dm p o ns Emos as 075 s ms we uo mo 19 er me 00 9 o po 9 19 p ns 5 us we 36 aa m o e wo me me am me 00 9 9 09 109 us 6 ia v emos s os pus ve uo mo wm e me 00 9 10 po 09 19 po s 5 us wor s aa e s e o me mo am me 00 gt a po 19 p o m nn vw wo os as 7 pus uo os me ns 295 00 9 os 095 us wo e 2 00 Pus os 22 ss us wo 285 vw so ss oo ae v se 655 oes us wo 1 e vo X VIEW xH WITHOUT BY PASS x WITH BY PASS DELIVERY X NON STANDARD QUOTE THE MOTOR VOLTAGE MUST ALWAYS BE STATE
4. 39 02 250 79 767 E mail sales dropsa it Export E mail vendite dropsa it National El Dropsa UK Ltd Unit 6 Egham Business Village Egham Surrey TW20 8RB Tel 444 01784 431177 Fax 44 01784 438598 E mail salesuk dropsa com Dropsa USA Inc 6645 Burroughs Ave 48314 2132 Srerling Hts Mi Us USA Tel 41 586 566 1540 Fax 1 586 566 1541 E mail salesusa dropsa com Dropsa Gmbh Volmerswerther Strasse 80 40221 Dusseldorf 1 Deutschland Tel 49 0211 39 4011 Fax 49 0211 39 4013 E mail sales dropsa de E a Dropsa Ame 23 Av des Morillons Z des Doucettes 91140 Garges Les Gonesse France Tel 433 01 39 93 00 33 Fax 33 01 39 86 26 36 E mail salesfr dropsa com lt gt Dropsa do Brazil Ind E Com Ltda Rua Sobralia 175 Sao Paulo Brazil Tel 55 011 5631 0007 Fax 55 011 5631 9408 E mail salesbr dropsa com k Dropsa Lubrication Systems Nr 8 Dongxing Road Songjiang Industrial Zone Shanghai Co Ltd Tel 86 021 67740275 Fax 86 021 67740205 E mail china dropsa com ll Dropsa Australia Pty C20 148 Old Pittwater Road Brookvale NSW 2100 Tel 461 02 9938 6644 Fax 61 02 99 386 611 E mail salesau dropsa com Web site http www dropsa com E mail sales dropsa com 16
5. D AT THE TIME OF ORDERING WITH BY PASS P Assemb Liter oe TIAE Dimensions mm Part N Pn E G H Y Q a T CANOE oo 55 025 s er o wo gt n 7 2 bo e 9 foja Ji 9 ue mo uos ss 025 15 os iso re o 7 9 os poo m 9 0 9 s Eu ss oss 2 os ar wo se o oe m 5 po os oo m ias 09 ass s uon 10 ws 7 ws e om os aro w e os po m 9 0 9 s uo 0 os as os o e m o ome w e o pos os o m ias 0 ass s os 19 o e 16 12 o am ose ao oe 9 5 30 p 9 9 sal oe Js D s EIEXECSESEZEDIEIE BICIBERE RERESEXIIEIE SIHESERRESIE Deme om em mmm pm pm es o pe m ir pes ne os s ss uo ae 11 12 ps e wo se sore TIE Bem mer m 0 0 20 pe m em pm o m mr ene n s e m Pues 0 fo ss wm se me pm om epo m pm 5 ur uo ne n e a f Pos os 11 o os ae as ons 5 Yo um s s s 16 1 mi 10 vs EIESESIESEIEREIEEEEIECREJERESESICHECHESEIEIESRE IE Eos oo 22 o se vo aes 00 205 9 o xa Jo m s ns ns 6 o ts ass n NO 12 DIMENSIONS See tables in charter 11 ORDERING INFORMATION 13 HANDLING AND TRANSPORTATION Prior to shipping the equipment is carefully packed in a cardboard package During transportation and storage pay attention to the side on the cardboard packing On receipt check that the packing is not damaged Then storage the machine in a dry location 14 OPERATING
6. HAZARDS It is necessary to carefully read about the instructions and the risks involved in the use of lubrication machines The operator must know the machine functioning through the User and Maintenance Manual Inflammability The lubricant generally used in lubrication systems is not normally inflammable However it is advised to avoid contact with extremely hot substances or naked flames Pressure Prior to any intervention check the absence of residual pressure in any branch of the lubricant circuit as it may cause oil sprays when disassembling components or fittings 15 PRECAUTIONS No particular operating hazards characterize Motor Driven Gear pumps except for the following precautions e Contact with fluid to break open feed pipe The operator must use appropriate protective clothing gloves and take all necessary safety precautions D Lgs 81 08 e Awkward postures Follow instruction in section 6 2 e Contact with oil during refilling maintenance The operator must use appropriate protective clothing gloves and take all necessary safety precautions D Lgs 81 08 e Using the wrong lubricants is angers Corrosive products Pump damage danger to persons Pump oxidization Food Products Contamination of the product 13 16 WARRANTY INFORMATION All products manufactured and marketed by Dropsa are warranted to be free of defects in material or workmanship for a period of at least 12 months from date of
7. cal or horizontal application motor driven pumps motor type B5 4 pole WITHOUT BY PASS P Assembl Liter pn oe PEL Dimensions mm Part N 1 B a IT Eo CEE I Dm ss os es we pr 9 me 5 mo pom 9 w Ds ss o o 104 40 per ss m pom m os uo o 025 7 504 o 1 per ss m om fo as una 50 oss s usse pe pr as D mo pm m as Dm s os perpe pe pr 67 fam 8 pe m 9 o os Dm s os 9 wa uo 16 pr 67 am D pem 9 o9 os Ds s om s pese pe pr me pm w ws Ds 26 11 12 s e p mo om aw s m pm ws Ds 52 pos pes pe er me D pm 9 a ws pur fe aa ps pon pe mo m aw D D 9 ap ws S v Y TANK DRILLING a E a E z 9 E E Or Ji E NON STANDARD QUOTES THE MOTOR VOLTAGE MUST ALWAYS BE STATED AT THE TIME OF ORDERING WITH BY PASS Assemb Lite mor E Dimensions mm Part N o a R U ERES moO ECO E Pum ss pos rum pe m ops Jo fre 9 o Cms w o 7 pos s per ue ss gt ope 5 po o 7 o Dn w os s 132 30 pe pe as 9 n o pm m pop a o Ds s os s ps pr pe pe 200 09 D pe ps 9 9 pe 9 am Ds s om 9 usur pe pe 00 09 m pep 9 9 152 00 e mo Pune s os po or pm pr 09 os a o pm nr p m Ds mo Cms a an pss s pe 00 me er fa o Jo ur peo m ias mo Dems 52 pes 5 p om pm pr aw n n pm ur p m Ds mo Ds n aa oo
8. d 20 100 degrees with low to medium velocity oil On request flameproof motors can be supplied in various voltages Request availability from Dropsa SpA 3 PRODUCT MACHINE IDENTIFICATION Pump identification label is located on the front side of the grease operating pump and contains pump serial number and details of its operating parameters 4 TECHNICAL SPECIFICATION See chapter 11 ORDERING INFORMATION 5 PUMP COMPONENTS Gear pumps with pressures 1 30 BAR pressure dipends on kW please check the tables in the following pages HORIZONTAL ELECTROPUMPS OTOR B3 B VERTICAL ELECTROPUMPS MOTOR B5 HORIZONTAL FASTENING WITHOUT BYPASS ROTATION LEFT RIGHT PUMP WITH FLANGE WITHOUT BYPASS ROTATION LEFT RIGHT PUMPS WITH FLANGE WITHOUT BY PASS WITH BY PASS ROTATION LEFT RIGHT WITH BY PASS ROTATION LEFT RIGHT PUMPS WITH FLANGE AND BY PASS PUMPS WITH FLANGE AND BY PASS REVERSING SUCTION LEFT RIGHT REVERSING SUCTION LEFT RIGHT LOW DELIVERY PRESSURES 30 70 BAR ELECTROPUMPS Soria For external mounting or exter in reservoir NOTE WITH WORKING PRESSURE OF 30 BAR THE MAX LOSS OF DELIVERY IS WITHIN 9 OF THE VALUE WITHOUT COUNTERPRESSURE PRESSURE 0 6 UNPACKING AND INSTALLING THE PUMP 6 1 UNPACKING Once a suitable location has been found to install the unit remove the pump from the packaging Check the pump has not b
9. delivery Extended warranty coverage applies as follows Complete system installation by Dropsa 24 Months All other components 12 months from date of installation if installed 6 months or more after ship date warranty shall be maximum of 18 months from ship date If a fault develops notify us giving a complete description of the alleged malfunction Include the part number s test record number where available format xxxxxx xxxxxx date of delivery and installation and operating conditions of subject product s We will subsequently review this information and at our option supply you with either servicing data or shipping instruction and returned materials authorization RMA which will have instructions on how to prepare the product for return Upon prepaid receipt of subject product to an authorized Dropsa Sales amp Service location we will then either repair or replace such product s at out option and if determined to be a warranted defect we will perform such necessary product repairs or replace such product s at our expense Dropsa reserves to right to charge an administration fee if the product s returned are found to be not defective This limited warranty does not cover any products damages or injuries resulting from misuse neglect normal expected wear chemically caused corrosion improper installation or operation contrary to factory recommendation Nor does it cover equipment that has been modified tampered with or alt
10. e range of 20 100 C The maximum useful pressure in intermittent service is 70 bar for this the design rotation speed of the pump is 1500 or 3000 rom Pump for Pump in tank a 1500 rpm external e Elias CES SS M Assembly Part N Flow rate in Dimension H A 3099127 3099129 AS 3099004 3099130 li 3099131 3099133 Assembly Part N 3405000 3406000 3407000 3402002 Electropump for external installation LL Suction max high 19 68 inch 500 mm Motor power Flow rate litres min rpm kW e eee p TANK DRILLING Suction filter assembly Part N 3088053 Length 165 mm Part N 3088054 length 80 mm Part N 3088055 length 415 mm Part N 3088056 length 130 mm Dimensions in mm Electropump for reservoir installation This assembly consists only of the motor and the gear pump Dimensions By pass Standard By pass Assembly setting setting Motor power Voltage Flow rate litres mi n GSE 220 380V 50 Hz 0 35 EE 220 380V 50 Hz 0 50 EA 110 V 50 Hz 0 35 KAEA 110 V 50 Hz 0 50 ce 220 380V 50 Hz 0 35 oe eri EA EA 3404023 3404022 3404026 3404046 01 2 20 bar 5 bar with non return valve 26 25 80 bar 70 bar 3 PH with release 33V 25 80 bar 50 bar valve 3 PH This assembly is composed of a gear pump an electric motor a manometer and a valve block Thanks to a by pass it is possible to regulate the working pressure in accordance with the re
11. een damaged during transportation or storage No particular disposal procedures are necessary however packing should be disposed of in accordance with regulations that may be in force in your area or state 6 2 INSTALLING THE PUMP Allow sufficient space for the installation leaving minimum 100 mm 3 9 in around the unit In order to avoid unnatural posture for personnel install the machine in a comfortable and easy to reach location Do not install the unit in aggressive explosive inflammable environments or on vibrating surfaces WARNING At the end of all the connecting operations make sure that pipes and wires are safe from impacts and carefully fixed 7 INSTRUCTIONS FOR USE After fixing the pump at its support fillthe tank with pure oil Operate the pump until the oil comes out without air bubbles Attach the tubing to the pump taking care of blowing compressed air inside to remove any dirt Reactivate the pump until oil comes out from the pipes regularly and without bubbles Attach piping to the lubrication points Always pay attention to the direction of rotation In case of direct connection run the engine for a few seconds checking the direction of rotation if it is wrong to switch two power phases The pump must not work with the wrong direction of rotation In the event of a complete unit pump with electric motor on support they must be carefully balanced in both directions to ensure that whole function silently
12. ered without authorization Consumables and perishable products are excluded from this or any other warranty No other extended liabilities are states or implied and this warranty in no event covers incidental or consequential damages injuries or costs resulting from any such defective product s The use of Dropsa product s implies the acceptance of our warranty conditions Modifications to our standard warranty must be in made in writing and approved by Dropsa 14 17 DECLARATION OF COMPLIANCE WITH CE STANDARDS Dropsa Spa Tel 39 02 250 79 1 Drop SA Via Benedetto Croce 1 Fax Sales 39 02 250 79 767 20090 Vimodrone MI E mail sales dropsa it Italy Web site http www dropsa com AN ISO 9001 APPROVED COMPANY DICHIARAZIONE C DI CONFORMIT DECLARATION OF COMPLIANCE WITH STANDARDS DECLARATION DE CONFORMITE KONFORMITATSERKLARUNG DES STANDARDS DECLARACI N DE CONFORMIDAD DECLARA O DE CONFORMIDADE La societ Dropsa S p A con sede legale in Milano Via Besana 5 Dropsa S p A registered office in Milan Via Besana 5 Dropsa S p A au Si ge Social Milan Via Besana 5 Dropsa S p A Sitz in Milano Via Besana 5 La sociedad Dropsa S p a con sede legal en Mil n Via Besana 5 A Dropsa S p A com sede em Mil o via Besana n 5 DICHIARA CERTIFIES CERTIFIE ZERTIFIZIERT DASS DECLARA CERTIFICA che la macchina denominata that the machine named que la machine d nomm e Die Maschine mit der B
13. ezeichnung que la m quina denominada que o equipamento denominado ELETTROPOMPE AD INGRANAGGI TIPO 37000 3400000 3410 e conforme alle condizioni previste dalle Direttive CEE has been constructed in conformity with the Directives Of The Council Of The European Community on the standardization of the legislations of member states a t construite en conformit avec les Directives Du Conseil Des Communautes Europeennes Entsprechend den Richtlinien des Rates Der Europ ischen Union f r die Standarisierung der Legislative der Mitgliederstaaten konstruiert wurde cumple con las condiciones establecidas por las directivas comunitarias foi constru do em conformidade com as diretivas do Conselho das Comunidades Europeias e 2006 42 Direttiva macchine Machinery Directive 2006 42 Directive machines Maschinenrichtlinien Maquinaria 2006 42 CEE Directiva 2006 42 M quinas e 2006 95 Bassa tensione Electrical Safety Low Voltage Directive 2006 95 S curit lectrique Directive Basse Tension Elektrische Sicherheit Niedrigspannungsrichtlinien Seguridad el ctrica 2006 95 Directiva de baja tensi n Seguran a El trica 2006 95 Directiva de Baixa Tens o Vimodrone MI April 2011 Technical Director Maurizio Greco sssosoevrescocssssssocsirecsssscecose Legal representative sy Milena Gavazzi WA f Ae 15 18 DISTRIBUTORS H f Dropsa S p A Via B Croce 1 20090 Vimodrone MI Italy Tel 39 02 250 79 1 Fax
14. http www dropsa co Motor Driven Gear Pumps User and Maintenance Manual Warranty Information TABLE OF CONTENTS 1 INTRODUCTION 2 GENERAL DESCRIPTION 3 PRODUCT MACHINE IDENTIFICATION 4 TECHNICAL SPECIFICATIONS 5 PUMP COMPONENTS 6 UNPACKING AND INSTALLING THE PUMP ie INSTRUCTIONS FOR USE 8 TROUBLESHOOTING 9 MAINTENANCE PROCEDURE 10 DISPOSAL 11 ORDERING INFORMATION AND DIMENTIONS 12 HANDLING AND TRASPORTATION 13 OPERATING HAZARDS 14 PRECAUTIONS 15 WARRANTY INFORMATION 16 DECLARATION OF COMPLIANCE WITH STANDARDS 17 DROPSA LOCATIONS Manual drafted in compliance with C2010IE WK 20 11 EC Directive 06 42 1 INTRODUCTION This user s and maintenance manual refers to motor driven gear pumps 37000 3400000 3410 It is recommended that this manual is carefully kept in good condition and is always available to persons requiring to consult it To request further copies updates or clarifications with respect to this manual contact the Engineering Department at Dropsa SpA The use of the pump referred to in this manual must be entrusted to qualified personnel with a knowledge of hydraulics and electrical systems The manufacturer reserves the right to update the product and or the user s manual without the obligation to revise previous versions It is however possible to contact the Engineering Department for the latest revision in use You can find additional copies and newer revisions of this document fro
15. ine to threaded port 2 For pumps either with counter clockwise rotation or bi rotational with suction on right side connect suction line to threaded port 2 and delivery line to threaded port 1 WITHOUT BY PASS EA ao Dimensions mm S Rotation Ny pa be Tu B BA u IS in u 3 37060 3 5 37036 37021 o rm pa sus Uy SN O R O w To p N a U1 pa WN HP A Uy e H Looking at the pump from shaft side WITH BY PASS Rotation Weight Gas Dimensions mm Liters kg D E se Ros RG RES T U V w Iz 37061 1 4 8 7 10 11 2 44 5 25 65 14 5 45 5 58 37111 37022 37063 2 1 3 8 54 12 3 12 30 37039 37025 Looking at the pump from shaft side Weight Gas Dimensions mm k DOSE dor SITE V 37070 1 4 8 7 10 11 2 44 5 14 5 3 5 37023 55 37071 3 8 18 5 120 5 10 37026 Please ask to nearest Dropsa for availability Dimensions and features may change without notice RE REVERSIBLE Sunction Liters ERES 0 9 1 9 2 2 Gear pump and electro gear pumps pumps with flange esec F ms THREADED L P D PORT T IS a rr LT Lo THREADED PORT 2 Max Pressure 30 bar for continuous working Max Pressure 60 bar for intermittent working Fluid working temperature 20 100 9C with low and medium oil viscosity Note For pumps either with clockwise rotation or bi rotational with suction on left side
16. m our website http www dropsa com Alternatively contact one of our sales offices The pump and any accessories mounted on it should be carefully checked immediately on receipt and in the event of any discrepancy or complaint the Dropsa SpA Sales Department should be contacted without delay DROPSA S p A declines to accept any responsibility for injuries to persons or damage to property in the event of the non observance of the information presented in this manual Any modification to component parts of the system or the different destination of use of this system or its parts without prior written authorisation from DROPSA S p A will absolve the latter from any responsibility for injury or damage to persons and or property and will release them from all obligations arising from the guarantee Instructions for the correct ordering of the required model and a list of importers is shown in Section 4 2 GENERAL DESCRIPTION These new pump units have been designed as the result of over thirty years experience in the field of developing and manufacturing gear pumps The application possibilities are numerous the pumps are self lubricating and are able to operate with oils or any other fluid with proven lubricating capacity These pumps can therefore be utilised in the fields of lubrication refrigeration hydraulics and more generally for the circulation of fluids for machines motors and linear motion applications these units can also be em
17. ployed on recirculating systems without the need for particularly fine filtering of the circulation fluid One of the most striking features of these pumps is the high degree of silentness in operation obtained with the use of gears specially designed for this type of unit Also thanks to particularly precise machining and finishing a significant improvement has been achieved in efficiencies compared to all previous similar models produced To ensure an external seal the pumps have an O ring located between the pump body and the relative cover in addition to a lip seal on the main shaft The body of the pump is produced in hydraulic cast iron and the gears and relative shafts in chrome nickel steel carburized hardened and ground The body of the low flow rate pump up to 500 cc min is made of sintered steel the shafts and gears in carburized and hardened steel with a seal on the main shaft WARNING For all the motor driven pumps we have shown the applied power to the motors in function of the maximum pressure demand indicated in the table For higher pressures the motor must be suitably sized accordingly to obtain a quotation state the voltage the maximum operating pressure and if the service will be continuous or intermittent Max pressure 30 bar for continuous service max pressure 60 bar for intermittent service For cylinder block versions from 1 30 bar it depends form delivery and kW Working temperature of the flui
18. quirements of the system to which the pump is connected Also included in the valve block is a non return valve or alternatively a release valve so that it can be adapted for use with the different DROPSA systems line 01 line 26 33V System or on other systems of a similar nature It is also possible to order separately an intake filter with a dip tube 400 mesh cm2 filtering grade 260 of an overall length variable between 100 and 455 mm depending on the differing requirements of the installation THE MOTOR VOLTAGE MUST ALWAYS BE STATED AT THE TIME OF ORDERING Electric motor for 3405099 O o QU o O o gt O c Pp c O O 3405101 1500 220 380V 50 Hz 0 50 1500 110 V 50 Hz 0 35 1500 110V 50 Hz 0 50 0 12 220 380V 50 Hz 0 35 38 220 380V 50 Hz 0 50 40 EE 110 V 50 Hz 0 35 38 EL 110 V 50 Hz 0 50 40 NON STANDARD DIMENSIONS 3405121 3415122 3405098 3405100 3405123 56 56 56 56 56 56 56 56 56 56 56 6 Intermittent 3405124 5 Gear pumps and electro gear pumps pumps with horizontal fastening X VIEW 3 THREADED X PORT 2 Max Pressure 30 bar for continuous working Max Pressure 60 bar for intermittent working Fluid working temperature 20 100 2C with low and medium oil viscosity Note For pumps either with clockwise rotation or bi rotational with suction on left side connect suction line to threaded port 1 and delivery l
19. s However it is recommended the use only of appropriate and in good conditions tooling protective devices gloves and clothing in according to current regulations to avoid hazards to equipment or persons 10 DISPOSAL During maintenance or disposal of the machine care should be taken to properly dispose of environmentally sensitive items Refer to local regulations in force in your area When disposing of this unit it is important to ensure that the identification label and all the other relative documents are also destroyed 11 ORDERING INFORMATION Gear pumps for low flow rates with pressures of 30 70 bar Gear pumps for low flow rates can also be supplied assembled to the motors 3 sizes are available 0 35 0 5 1 2 litres min at 1500 rpm The direction of rotation is indifferent simply invert the suction and delivery tubes The service can be either continuous or intermittent The following standard power supplies are provided for e 220 380 V 50 Hz e 240 440 V 60 Hz e 415V _ 50Hz Other voltages and frequencies are available on request The motors have IP55 grade protection In addition it is possible to order separately a suction filter c w dip tube 400 mesh cm filtering grade 260 of an overall length of between 100 and 455 mm depending on the needs of different installations These gear pumps are suitable for operating with oils of a viscosity between 32 and 1000 cSt at fluid working temperatures in th
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