Operating Instructions
Contents
1. buh A J 1 2 m s T Y ae cH hl me ee d Im ral 8 L T I l H AM f Sri z amp AM 11 he n i at r L I i E LI zl i TEE sniz420450 001001 Flussigkes Cu Mh TKg amp khmPas FVA Trogflux short version variable area flowmeter Operating Instructions MECSN MECON GmbH 05 2013 OI FVA Trogflux KBF EN FLOW CONTROL SYSTEMS Imprint All rights reserved It is prohibited to reproduce this document or any parts thereof without prior written authorization of MECON Flow Control Systems GmbH Subject to change without notice Copyright 2013 by MECON Flow Control Systems GmbH RontgenstraBe 105 50169 Kerpen Page 2 20 www mecon de Operating instructions FVA Trogflux short version 05 2013 OI_FVA_Trogflux_KBF_EN Contents 1 Safety Instructions l i mended USE sais stim cura statis nthe awe YEAR GU RE eerie dtd 157 eadem T E E 1 3 Safety instructions from the manufacturer eene 2 Start up Zed Standard COV Ce scrini irene shaseadewcsieeuecehtatet 3 Installation 3 1 Installation instructions enn n Hmmm mm nmm 3 2 InsPalletiOllseresressredssmuDTU Meis PEPU Pes EE AE REUF M TPCNEE EUREN ES 4 Service NM ro 1 0 RN ppc 2 2 MOInESnallCe sensa EAO EEEE EREN 4 3 Returning the device tot he manufacturer es 5 Device Description 5 1 SCobe oFdellVel V irirryririn rir inir rinie2. but not limited to direct indirect incidental punitive and consequential damages Any product purchased from the manufacturer is warranted in accordance with the relevant product documentation and our Terms and Conditions of Sale The manufacturer reserves the right to revise the content of its documents including this disclaimer without prior notification and will not be liable in any way for possible consequences of such changes Product liability and warranty Mecon GmbH assumes no guarantee for repair work carried out by the customer without prior notification and consultation Any instruments or parts rejected by a customer must be returned to us if no other arrangement has been made General information This manual is intended for the correct installation as well as operation and maintenance of the devices Read the instructions carefully before installing the device and placing it into operation Specially designed or customised models and specialised applications are not included in this manual Operating instructions FVA Trogflux short version www mecon de Page 5 20 05 2013 OI FVA Trogflux KBF EN Start up 2 Start up 2 1 Standard device When starting up the unit the following points must be observed Make sure that the actual operating conditions pressure and temperature do not exceed the limits specified on the nameplate Avoid float float impact Therefore it is recommended to start with a closed shu
3. measuring range Pressure loss float i for the selected float PVC Female Stainless steel PVC PVC PVDF Stainless steel Aluminium Adhesive thread with magnet PVDF with magnet bushing weighted weighted mm em aes RE RE AE NN UM cso iu0 160 160 i00 90 n 5 vso 250 240 140 sao i2 5 ETCHETIECHETCHEC HC NN RN roe EE SE NM ETCHETINTHETHNCN FUN connections in brackets are non Standard N n u Operating instructions FVA Trogflux short version www mecon de Page 13 20 05 2013 OI FVA Trogflux KBF EN Measuring ranges for air 8 Measuring ranges for air Measuring range for air pabs 1 013 bar at T O C p 1 293 kg m v 0 0181 mPa s Connection Measuring Maximum measuring range Pressure loss cone i for the selected float float PVC female Aluminium PVC PVDF Aluminium adhesive thread bushing mm not weighted with magnet I h I h connections in brackets are not standard Page 14 20 www mecon de Operating instructions FVA Trogflux short version 05 2013 OI_FVA_Trogflux_KBF_EN 9 1 Technical Data Input Flow Pressure limit Application conditions Technical Data Vertically upwards max 10 bar Environmental conditions temperature limits Measuring cone made of Trogamide Pressure and temperature limits Connection parts Measuring accuracy For liquids For gases Measuring range For liquids For gases Measuring units Up to measuring cone
4. the flowmeter are suitable for the process media to be measured The manufacturer is not liable for any damage resulting from improper or unintended use of these devices No external loads may act the meter upon the meter The flowmeters are primarily designed for static applications Caution Q Hot surfaces resulting from hot process media Danger of burns resulting from surface temperatures above 70 C Take appropriate protective measures for example contact protection The design of the contact protection must meet the maximum permissible ambient temperature of the meter The flowmeter may only be operated within the pressure and voltage limits specified on the name plate Before taking the flowmeter out of operations check that the unit is free of hazardous media and de pressurized Page 4 20 www mecon de Operating instructions FVA Trogflux short version 05 2013 OI_FVA_Trogflux_KBF_EN Safety Instructions 1 2 Certifications CE marking The manufacturer certifies for the device FVA Trogflux short version meets all statutory requirements of the following EC directives by applying the CE marking e Pressure equipment directive 97 23 EC The most hazardous permissable media are A for gases fluids of group 2 for liquids fluids of group 1 1 3 Safety instructions from the manufacturer Disclaimer The manufacturer will not be liable for any damage resulting from the use of its product including
5. version 05 2013 OI_FVA_Trogflux_KBF_EN Contacts 10 Contacts The bistable contact K18 is intended for signaling of limit values and for controlling purposes Special features bistable function o high vibration resistance e no interaction between contacts low cost plastic version e easy to use elelctrical connection Mode of operation A bistable reed contact consists of a spring contact which is covered by a glass tube filled with inert gas It is operated by a magnetic field This magnetic field is generated by a permanent magnet inside the float of a MECON flowmeter There are two versions availabe Goo K18 B MECSN FLOR ERT dT dI N K18 A MECN VLER EdRTRDL S PATERE max Schalfemstung 250 V AC 105 AT10V 259 VDCIO5A 5W Schutzart IP65 max Schaliletsiung 250 V AC O5A 10A 250 V DCIO SATSW Schutarl Pes gE Fig 5 Contact K 18 A Fig 6 Contact K 18 B K 18 A contact closes on falling below the limit K 18 B contact closes on exceeding the limit Electrical loadability The spring contacts of the K18 are sensitive to current overload max 500 mA A high current could lead to a welding effect and this will damage the contact blades this specifically applies to inductive loads e g relais high self induction Protective circuits At great cable lengths cable capacity it is recomended to connect a protectice resitor in series to contact K18 A B for current limitation K1 8 pr
6. weighted au WN E 4 Connection material PVC Cast iron only for G2 G1 Steel not for G2 G1 Stainless steel A A W N kB 5 Connection form 1 Adhesive bushing only in PVC 2 Female thread DIN ISO 228 3 Female thread NPT NPT ANSI B1 20 1 Operating instructions FVA Trogflux short version www mecon de Page 11 20 05 2013 OI FVA Trogflux KBF EN Device Description 6 Connection size Adhesive bushing Female thread G 3 NPT 1 4 Female thread G NPT Female thread G2 NPT 2 Female thread G34 NPT Female thread G1 NPT1 nmoou sy 2 Contacts only with magnetic floats Without contact Contact K18 A closes when below the limit Contact K18 B closes when exceeding the limit 2 Contacts K18 A 2 Contacts K18 B One of each contact K18 A and K18 B oOmmuogonn ovy Float version 0 Standard 1 with magnet 2 guided 9 Other versions BO6 With calbration certificate YO1 Measured medium always required specify in plain text Medium Measuring range Device range Density Viscosity Device Operating temperature Operating pressure YO4 Silicone free version YO99 X Special version specify in plain text Page 12 20 www mecon de Operating instructions FVA Trogflux short version 05 2013 OI_FVA_Trogflux_KBF_EN Measuring ranges for liquids 7 Measuring ranges for liquids Standard measuring range for liquids p 1 kg I Viskositat 1mPa s Connection Measuring Dyn Maximum
7. D1600 Construction design Connection Material Measuring cone Connection union nut inlay part Float Gasket Stopper max 60 C for water 50 C Measuring cone made of Trogamide 10 bis 60 C P bar 10 0 for water only up to 50 C see table 9 1 class 4 acc VDE VDI 3513 sheet 2 class 4 acc VDE VDI 3513 sheet 2 4 I h 1600 I h 70 I h 25 m3 h h PVC adhesive bushing female thread Polyamid Trogamide PVC PVC cast iron steel stainless steel 1 4571 1 4404 Stainless steel 1 4571 1 4404 PVC Aluminium PVDF NBR Perbunan FKM Viton EPDM Polysulfone Pressure and temperature limits Connection parts PVC DIN 8062 TO Lbar psi water and non aggressive liquids aggressive media 20 60 259 20 60 10 0 10 0 10 0 4 0 1 0 P eff pressure overpressure Operating instructions FVA Trogflux short version www mecon de 05 2013 OI_FVA_Trogflux_KBF_EN Page 15 20 Technical Data 9 2 Dimensions Contact shown joffset by 90 Fig 4 FVA Trogflux short version dimensions in mm mm length B kg Adhesive Female thread Adhesive Female thread Sleeve mm Adhesive bushing Sleeve bushing bushing mm PVC Cast iron PVC PVDF Stainless steel G V 20 J 211 4mm 216 4mm 231 4mm 1775 0 15 NPT 1 G1 32 NPT 1 256 t 4mm 258 4mm 258 t 4mm 206 0 35 Page 16 20 www mecon de Operating instructions FVA Trogflux short
8. Remove the cable gland 9 and take out the gasket kit 8 7 6 Remove the locking screw 5 and pull of the housing 4 from the insert connector 3 Insert the connection cable through the cable gland 9 the gasket kit 6 7 8 and the housing Connect the wires to terminal 1 and 2 of the insert connector Assamble the rectangular connector in reverse order as described above Please note that the cable outlet can be varied by rotating the insert connector 4 through 90 When commissioning the contact K18 we recommend to ensure the correct position of the bistable contact by moving the float along the K18 in flow direction Operating instructions FVA Trogflux short version 05 2013 OI_FVA_Trogflux_KBF_EN www mecon de Page 19 20 Mecon GmbH R ntgenstraDe 105 D 50169 Kerpen Tel 49 0 2237 600 06 0 Fax 49 0 2237 600 06 20 Email customerservice mecon de www mecon de Subject to change without notice Copyright TUVRheinland CERT ISO 9001
9. agement of hazardous and toxic waste For reasons of environmental protection and safeguarding the health and safety of our personnel all devices sent to MECON GmbH to be repaired must be free of toxic and hazardous substances This also applies to cavities of the devices If necessary the customer is kindly requested to neutralize or rinse the devices before returning them to MECON The customer has to confirm this by filling in an appropriate form which is available for download on the MECON website www mecon de en declaration contamination pdf Caution In case of returning devices which contain hazardous and toxic substances MECON GmbH is entitled to dispose of these substances at cost to the customer without any further notices Page 8 20 www mecon de Operating instructions FVA Trogflux short version 05 2013 OI_FVA_Trogflux_KBF_EN Device description 5 Device description 5 1 Scope of delivery 1 flowmeter FVA Trogflux short version 2 Operating instructions 3 Certificates optional Fig 1 Scope of delivery Information Please check the delivery for completeness using the packing list 5 2 Versions Fig 2 Standard device with PVC adhesive bushing The flowmeters FVA Trogflux short version exists in their main components from the plastic measuring tube with float and the connecting parts The displayed directly on the scale on the flow tube eg in h A scale is printed on the flow tube eg in h T
10. he actual flowrate is read at the position of the largest diameter of the float For process monitoring and control the unit can be equipped with one or more contacts Operating instructions FVA Trogflux short version www mecon de Page 9 20 05 2013 OI FVA Trogflux KBF EN Device description Special features Product scales for liquids and gases Easy to install Low cost plastic version Short delivery times for standard versions 5 3 Nameplate Q Important Please refer to the device nameplate to ensure that the device is built according to your order Check particularly for the correct supply voltage FVA Trogflux www mecon de 7ME5892 XXXXX XXXX N TS xx C PS xx bar Pmax at Tmax xx bar o o Fig 3 Nameplate FVA Trogflux D Code number Device specific code number 2 TS Medium Maximum temperature of the medium PS Maximum pressure of the medium Prax at Tmax Maximum pressure of the medium at temperature Tmax Page 10 20 www mecon de Operating instructions FVA Trogflux short version 05 2013 OI_FVA_Trogflux_KBF_EN Description Code 6 Description Code The descripion code consists oft he following elements puesea TW 1 Gasket material 1 Perbunan 4 Viton 8 EPDM 2 Measuring cone size AC 40 BC 65 CC 100 DC 160 EC 250 FD 400 GD 650 HD 1000 JD 1600 3 Float material Stainless steel 1 4301 Stainless steel 1 4571 1 4404 PVC weighted Aluminium PVC not
11. otective resistor Fig 7 Protective circuit for current limitation Operating instructions FVA Trogflux short version www mecon de Page 17 20 05 2013 OI FVA Trogflux KBF EN Contacts When using a DC power supply in combination with an inductive load it is recomended to connect a diode in parallel to the load K1 8 protective m resistor diode Fig 8 Protective circuit for inductive loads and DC power supply Technical data Contact material Rhodium with inert gas max switching capacity 5 W 10 VA Max switching voltage 250 V DC AC Contact resistance 0 1 Q Isolation resistance 10 o Contact closing time 2 ms Contact opening time 0 07 ms Frequency of operation 2000 Hz Duration of bounce 0 5 ms Temperature range 40 C to 80 C Material of housing Plastics Electrical connection Rectangular connector acc to DIN EN 175301 803 previously DIN 43 650 Protection class IP 65 Max starting current peek 0 5 A Max switching current 230VDC 21mA 115 VDC 43 mA 24VDC 0 2A 10VDC 0 5A Warning Observe in any case the max switching capacity and the max starting current otherwise a welding effect will damage the contact blades Page 18 20 www mecon de Operating instructions FVA Trogflux short version 05 2013 OI_FVA_Trogflux_KBF_EN Contacts Installation of the connection cable to the connector Fig 9 Explosion drawing contact K 18 Commissioning
12. pressure For gases the exact reference point for the pressure gauge or absolute pressure is also required Retrofitting of switching contacts is only possible when the floats are used with magnets At the first start the float must be moved all over the contact for polarization Operating instructions FVA Trogflux short version www mecon de Page 7 20 05 2013 OI FVA Trogflux KBF EN Service 4 Service 4 1 Storage Store the device dry and dust free Avoid direct exposure to the sun and heat Avoid external loads on the device The admissible storage temperature for standard devices with electrical components 40 70 C 4 2 Maintenance The devices are built for low maintenance operations but periodically the flowmeters should be inspected for signs of corrosion mechanical wear as well as demage tot he fitting and the display unit We advice to carry out inspections at least once a year For a detailed inspection and cleaning the device must be removed from the piping n Caution Appropriate safety precautions have tob e taken when removing the device Always use new gaskets when reinstalling the device in the piping 4 3 Returning the device to the manufacturer This device has been carefully manufactured and tested Should you nevertheless need to return a device to MECON GmbH please observe the following points Caution According to the actual waste disposal directives the owner customer is responsible for the waste man
13. r QUEFEPEYQUEPUFERU PEE Rd EP EEEE b WOU SIOINS een E acatoase DES Du tis UMpIDIME UA LIH UM LUE E UIUEE Bo ipsi tU E a 6 Description Code 7 Measuring range for liquids 8 Measuring range for air 9 Technical Data 9 1 Pressure and temperature IiMits cccceeeeeeeeeeeeeeeeeeeeeeeeeenes 9 2 DIMENSIONS sxsecencsceteransvcendvaveensetuuvedsnstved vau rs dad uaa dew u ru nima 10 Contacts Operating instructions FVA Trogflux short version www mecon de 05 2013 OI_FVA_Trogflux_KBF_EN Contents 13 14 15 15 16 17 Page 3 20 Safety Instructions 1 Safety Instructions 1 1 Intended use The FVA Trogflux short version variable area meters are used to measure the volume of transparent liquids and gases passing through closed piping The variable area meters can also be used for flow monitoring if they are equipped with one or more switching contacts Standard scales are available for liquids with a density of 1 kg l 62 43 lb cu ft The scales must be recalculated for all other media depending on the physical characteristics The devices are particularly suitable fort he measurement of Water clear liquids gas flows Warning The operator of these measuring devices is solely responsible for the suitability intended use and corrosion resistance of the selected materials It must be particularly ensured that the materials selected for the wetted parts of
14. t the type and the serial number of the device is indicated Information Unpack the unit carefully to avoid damage Information Check the completeness of the delivery against the packing list Check the name plate if the delivered flow meter according to your order Check whether particular units with electrical components have the correct supply voltage printed 3 2 Installation For specific device sizes the float is inserted with a plastic net for transport lock This must be removed before installation through the top of the meter After that the free movement of the float inside the flow tube should be checked again The device must be mounted vertically and stress free Reductions extensions and control elements upstream and downstream of the meter have no influence on the measurement accuracy with liquids For gases however the installation of the meter is recommended before valves to prevent compression oscillations Since variable area flow meters are very sensitive to changes in flow control elements should always be adjusted slowly The calibration is carried out for a defined use Deviations of the density pressure or temperature of gases as well as density and viscosity of liquids result in errors It is essential to ensure compliance with the calibration conditions Therefore it is essential to specify the following data of the medium in the order the medium the density and the viscosity at operating temperature and
15. t off valve during commissioning and adjust the operating pressure by opening the valve slowly In particular the use of magnetic valves is not recommended in this case When measuring liquids make a careful release of the pipeline to prevent water hammer by gas bubbles When commissioning new devices increasingly residues can stick on the float Therefore we recommend to clean the equipment after a relatively short time When using the devices in the lower measuring range the device must be operated at a higher flow rate for a short time to enable settling of the float Exceptions for the measurements of gases Page 6 20 Provide valves downstream the flowmeter if pabs gt 1 013 bar and usually upstream the flow meter if pabs 1 013 bar no overpressure Install a flow control valve close to the flowmeter downstream to prevent oscillations during the measurement Adjust the operating pressure exactly to the reference pressure during calibration to prevent measurement errors www mecon de Operating instructions FVA Trogflux short version 05 2013 OI_FVA_Trogflux_KBF_EN Installation 3 Installation 3 1 Installation instructions Information All instruments are carefully checked for proper function before shipment Check immediately on receipt the outer packing carefully for damage or signs of improper handling Report damage to the carrier and your competent sales staff In such cases a description of the defec
Download Pdf Manuals
Related Search