Operating Instructions
Contents
1. FVA Trogflux variable area flowmeter Operating Instructions MEC N 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 R ntgenstraBe 105 50169 Kerpen Page 2 20 www mecon de Operating instructions FVA Trogflux 05 2013 OI_FVA_Trogflux_EN Contents 1 Safety Instructions 1 Intended Se iecit erre leet santa aAA aT 1 2 Certifications ose necatus dex e uc RARE Coie sues Pecans HUNE NK aS 1 3 Safety instructions from the manufacturer 2 Start up 2 1 Standard device ice ets beignets onda E RARO MU FIR ETE ENS 3 Installation 3 1 Installation instructions ceseeesenn mmn nnn 3 2 Installation etant cnini eei ii et de wie ER OR CU e a e A D ER 4 Service QIMIICLI I 42 Maintenalricexice ecce t seimecnakdigs O E RR S EUM EIRD MERC ES 4 3 Returning the device to the manufacturer ssssssses 5 Device Description 5 1 Scope of delivery eesseieseseesese nenne hene natas nna ranas Bid VESON Suad inae A amet se ner a der de anus UE RUE nels 5 3 NaM plate sus anaia i ae 6 Description Code 7 Measuring range liquids 8 Measuring range air 9 Technical data 9 1 Pressure und temperature limits c2. Stainless Adhesive thread steel steel bushing with weighted with magnet viscosity mm magnet weighted yh i h Ih l h h mbar 20 G4 c125 1 10 125 120 65 65 100 11 G36 GY C315 1 10 315 300 175 175 240 13 32 G SRE NES ur coon core 0 TS 400 17 G34 Gl D650 1 10 PS 600 PS 550 PS450 PS 400 PS 350 17 D1000 1 10 1000 950 750 700 600 17 D1600 1 10 1600 1500 1250 1100 1000 20 D2500 1 10 2500 2400 2000 1750 1400 24 63 G1 E4000 1 10 4000 3800 3200 3200 2500 25 G1 2 G2 E6500 1 10 6500 6400 5000 5000 4000 27 F10000 1 10 10000 9500 7500 7500 5500 32 G16000 1 4 16000 16000 12500 12500 51 H20000 1 3 20000 19000 E 65 J25000 1S 25000 24000 91 Connections in brackets are not standard 1 Measuring cone made of Trogamid 2 Measuring cone made of Polysulfon Operating instructions FVA Trogflux 05 2013 OI_FVA_Trogflux_EN www mecon de guided float Page 13 20 Measuring ranges for air 8 Measuring ranges for air Standard Measuring range for air paps 1 013 bar at T 0 C p 1 293 kg m3 viscosity 0 0181 mPa s Connection Measuring Dyna Maximum measuring range for the selected floats Pressure loss cone mic float PVC Aluminium PVC PVDF Aluminium adhesive Female bushing threads with magnet not weighted weighted mm l h l h l h l h mbar 20 G EEE 2000
3. 2500 1400 2200 4 G3 GV C315 1 10 5000 6400 3400 6000 5 32 G2 D650 1 10 TS 10000 TS 12000 TS 7000 TS 10000 7 G34 D650 1 10 PS9000 PS10500 PS 6500 PS 9000 7 G1 D1000 1 10 16000 20000 11000 16000 7 D1600 1 10 28000 32000 18000 25000 7 D2500 1 10 40000 50000 28000 40000 8 63 G14 E4000 1 10 64000 75000 45000 60000 9 G1 2 E6500 1 10 100000 125000 75000 100000 10 G2 F10000 1 10 160000 180000 120000 160000 13 G16000 1 4 280000 300000 190000 23 H20000 1 3 350000 400000 240000 31 J25000 ies 430000 480000 300000 43 connections in brackets are not standard guided float 1 Measuring cone made of Trogamid 2 Measuring cone made of Polysulfon Page 14 20 www mecon de Operating instructions FVA Trogflux 05 2013 OI_FVA_Trogflux_EN 9 Technical Data Input Flow Pressure limit Application conditions Technical Data from the bottom to top upwards max 10 bar Environmental conditions temperature limits Measuring cone made of Trogamid Measuring cone made of Polysulfon Pressure amp temperature limits Measuring accuracy For liquids For air Measuring range For liquids For gases Measuring units Measuring cone D2500 and smaller Measuring cone E4000 and larger Construction design Measuring tube material Measuring cone material Connection union nut Connenction inlay part Float Float guide rod max 60 C for water 50 C max 80 C see table at chapter 9
4. ceeeeeeeeee eee eee eee eee ee 9 2 DIMENSIONS sis IT 9 3 Float selection sas iier rtp petite inches sh eara sencnebbiieiein s 10 Contacts Operating instructions FVA Trogflux www mecon de 05 2013 OI_FVA_Trogflux_EN Contents 13 14 14 mais 15 LM 16 EP 16 17 Page 3 20 Safety Instructions 1 Safety Instructions 1 1 Intended use The FVA Trogflux variable area meters are used to measure the volume of transparent liquids and gases into 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 Ib cu ft The scales must be recalculated for all other media depending on the physical characteristics The devices are particularly suitable for the 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 parti cularly ensured that the materials selected for the wetted parts of 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 upon the meter The flowmeters are primarily designed for static appli cations Caution O Hot surfaces
5. 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 05 2013 OI_FVA_Trogflux_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 impro per handling Report damage to the carrier and your competent sales staff In such cases a description of the defect 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 by using the packing list Check the name plate if the delivered flow meter is according to your order Especially check units with electrical components for the correct supply voltage 3 2 Installation For s
6. resulting from hot process media Danger of burns resulting from surface temperatures above 70 C e Take appropriate protective measures for example contact protection e 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 05 2013 OI_FVA_Trogflux_EN Safety Instructions 1 2 Certifications CE marking CE The manufacturer certifies that the device FVA Trogflux meets all statutory requirements of the following EC directives by applying the CE marking Pressure equipment directive 97 23 EC The most hazardous permissable media are 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 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
7. 1 page 15 G 2 5 qG 50 acc VDE VDI 3513 sheet 2 G 2 5 qG 50 acc VDE VDI 3513 sheet 2 12 5 I h 25 m3 h 200 I h 430 m3 h I h m3 h PVC adhesive bushing female thread cast iron Trogamid Polysulfon PVC cast iron PVC cast iron steel stainless steel Stainless steel Aluminium PVC PVDF Stainless steel optionally for measuring cone C125 to D2500 Gasket NBR NB2 FKM EPDM Stopper Polysulfon 9 1 Pressure and temperature limits Trogamid Polysulfon T 9C P bar Pe bar 10 bis 60 10 0 10 0 80 10 0 for water only up to 50 C Connection parts PVC DIN 8062 Medium T C Pe bar For water and non 20 10 0 aggressive liquids 40 10 0 60 2 5 For aggressive media 20 10 0 40 4 0 60 1 0 Pe eff pressure overpressure Operating instructions FVA Trogflux www mecon de 05 2013 OI FVA Trogflux EN Page 15 20 Technical Data 9 2 Dimensions qt ida T Kontakt 90 versetzt gezeichnet Fig 5 Trogflux Dimensions in mm Connection Dimension A Dimension B Weight mm mm kg Adhesive Female thread Adhesive Female thread Adhesive bushing bushing Cast iron PVC PVDF bushing mm stainless steel 20 GV NPT 2 346 4 350 4 366 4 306 0 4 32 G1 NPT 1 356 4 358 4 358 4 306 0 7 63 G2 NPT 2 389 4 379 4 366 4 306 2 2 9 3 Float selection A B There are thr
8. econ de Operating instructions FVA Trogflux 05 2013 OI_FVA_Trogflux_EN Contacts Installation of the connection cable to the connector 1 Remove the cable gland 9 and take out the gasket kit 8 7 6 2 Remove the locking screw 5 and pull of the housing 4 from the insert connector 3 3 Insert the connection cable through the cable gland 9 the gasket kit 6 7 8 and the housing 4 Connect the wires to terminal 1 and 2 of the insert connector 5 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 Fig 11 Explosion drawing contact K 18 Commissioning 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 www mecon de Page 19 20 05 2013 OI_FVA_Trogflux_EN Mecon GmbH R ntgenstraBe 105 D 50169 Kerpen Phone 49 0 2237 600 06 0 Fax 49 0 2237 600 06 20 Email customerservice mecon de www mecon de OI FVA Trogflux Subject to change without notice Copyright T VRheinland CERT ISO 9001
9. ee versions of floats available Float non guided A reading edge Float guided B Float for stable viscosity C Fig 6 Versions of float Page 16 20 www mecon de Operating instructions FVA Trogflux 05 2013 OI FVA Trogflux EN Contacts 10 Contacts The bistable contact K18 is intended for signaling of limit values and for controlling purposes Special features bistable function high vibration resistance no interaction between contacts e low cost plastic version 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 Le ee K18 A MECS LICLEZLLELLIE LEE EL Q e 7 K18 B MEC N ELLE LLIELTE RENE max Schaltleistung 250 VAC 10 5 A 10 VA 250 V DC hir max Schalfeistung 250 VAC OS AT 0 VA 250 VDC 05A 5W Schutzart IP65 C Schutzart IP 65 Fig 7 Contact K 18A Fig 8 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 app
10. lastic tubes only 2 Cast iron only for G 2 G1 G2 3 Steel not for G2 Gi G2 4 Stainless steel Connection form 1 Adhesive bushing only made of PVC 2 Female thread DIN ISO 228 3 Female thread NPT NPT ANSI B1 20 1 Connection size Adhesive bushing Female thread G4 Female thread G34 Female thread GY2 Female thread G34 Female thread G1 Female thread G1 4 Female thread G1 2 Female thread G2 Contacts only with magnetic floats Without contact Contact K18 A closes on falling below the limit Contact K18 B closes on exceeding the limit 2 Contacts K18 A 2 Contacts K18 B One of each contact K18 A and K18 B Mn Bo E E Ho Ag Float version 0 Standard 1 With magnet 2 Guided Other versions BO6 With calbration certificate YO1 Measured medium always required specify in plain text Medium Measuring range Device range Density Viscosity Operating temperature Operating pressure YO4 Silicone free version Y99 Special version specify in plain text Page 12 20 www mecon de Operating instructions FVA Trogflux 05 2013 OI_FVA_Trogflux_EN Standard Measuring range for liquids p 1 kg l Viscosity 1mPa s Measuring ranges for liquids Measuring ranges for liquids Connection Measuring Dyna Maximum measuring range for the selected floats Pressure cone mic loss float PVC Female Stainless steel PVC PVDF PVC PVDF Stainless
11. lies 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 protective pm as resistor Fig 9 Protective circuit for current limitation Operating instructions FVA Trogflux www mecon de Page 17 20 05 2013 OI_FVA_Trogflux_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 ai resistor diode cable capacity Fig 10 Protective circuit for inductive loads and DC power supply Technical data Contact material Rhodium with inert gas max switching capacity 5W 10VA Max switching voltage 250 V DC AC Contact resistance 0 1 Q Isolation resistance 102 Q 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 230 VDC 21 mA 115 VDC 43 mA 24VDC 0 2A 10VDC 0 5 A 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 m
12. ly 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 05 2013 OI FVA Trogflux EN Device Description 5 Device Description 5 1 Scope of delivery 1 flowmeter FVA Trogflux 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 bbs a ee 4 c Fig 2 Standard device with Fig 3 Standard device with PVC adhesive bushing female thread The main components of the FVA Trogflux are the measuring tube made of plastics the float and the connecting parts A scale is printed on the flow tube eg in h The actual flowrate is read at Operating instructions FVA Trogflux www mecon de Page 9 20 05 2013 OI FVA Trogflux EN Device Description the position of the largest diameter of the float For process monitoring and control the unit can be equipped with one or more contacts Special features Product scales for liquids and gases Easy to i
13. 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 www mecon de Page 5 20 05 2013 OI FVA Trogflux 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 impact Therefore it is recommended to start with a closed shut 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 pressure peaks by gas bubbles When commissioning new devices increasingly residues can stick on the float Therefore we recommend to
14. nstall Low cost plastic version Short delivery times for standard versions 5 3 Nameplate O 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 7ME580X XXXXX XXXX N TS xx C PS xx bar Pmax at Tmax xx bar Fig 4 Nameplate of the FVA Trogflux Code number Device specific code number TS Medium Maximum temperature of the medium Ps Maximum pressure of the medium Q Prax at Tmax Maximum pressure of the medium at temperature Tmax Page 10 20 www mecon de Operating instructions FVA Trogflux 05 2013 OI_FVA_Trogflux_EN Description Code 6 Description Code The descripion code consists of the following elements ess CE UC QUII D Plastic material for measuring cone 1 Trogamid 2 Polysulfon Gasket material 1 Perbunan 4 Viton 8 EPDM Measuring cone size AC 125 BC 315 CD 650 DD 1000 ED 1600 FD 2500 GE 4000 HE 6500 JE 10000 KE 16000 LE 20000 ME 25000 Float material Stainless steel Mat No 1 4305 Stainless steel Mat No 1 4571 1 4404 PVC weighted Stainless steel Mat No 1 4571 SV 316Ti Aluminium PVC not weighted PVDF not weighted PVDF weighted Ona uh WN M Operating instructions FVA Trogflux www mecon de Page 11 20 05 2013 OI_FVA_Trogflux_EN Description Code 5 Connection material 1 PVC Standard for p
15. pecific device sizes the float is inserted with a plastic net for transport lock This must be removed through the top of the meter before installation 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 defined conditions It is essential to ensure compliance with the calibration conditions Deviations of the density pressure or temperature of gases as well as density and viscosity of liquids result in errors 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 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 equipped with magnets When commissioning the contact we recommend to ensure the correct position of the bistable contact by moving the float along the contact in flow direction Operating instructions FVA Trogflu
16. x www mecon de Page 7 20 05 2013 OI_FVA_Trogflux_EN Service 4 4 1 4 2 4 3 Service 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 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 damage to the 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 Caution Appropriate safety precautions have to be taken when removing the device Always use new gaskets when reinstalling the device in the piping 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 management 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 kind
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