Operating instructions V-Flow Line
Contents
1. A Minimum 16 mm Areas of application Limit indicators only work with steel variable area flowmeters Limit indicators can be used with the following measuring glasses mm scale with flow rate table RC 15 RC 10 Limit indicator Type V 100 80 80 05 to 80 12 80 13 to 80 17 V 100 140 140 07 to 140 12 140 13 to 140 19 Measuring glasses 140 17 and 140 18 not possible For standard air and water scale see section Variable area flowmeters measuring ranges Version vflow_E4 7 Manual V Flow Line Vogtlin Instruments AG Measurement instruments adjacent to one another Page 23 M Flow Digiturn installation Slide the adjusting ring 518 1563 onto the valve do not tighten yet Slide the adapter sleeve 518 1575 onto the valve axis and tighten the setscrews 512 8202 Slide the rear part of the hand knob onto the adapter sleeve again The pin on the knob must be pushed into the hole in the adjusting ring completely so that no gap remains By turning the adjusting ring 518 1563 the graduation on the knob can be set to the desired position When this is done tighten the two setscrews 512 8217 on the adjusting ring By turning the knob the graduation can again be set to 00 00 When this is done retighten the setscrew M5x5 on the knob Open up the cover ring 633 1104 and refit it over the gap The Digiturn knob is now fully installed Manual Version Page V Flow Line vflow_E4 7 Vogtlin Instruments AG 24 Disass2. r Setup L Setup R gt I Setup A stainless steel only Setup T stainless steel only O Setup O stainless steel only Customer specific OEM K Valve position Valve at the inlet Valve atthe outlet Without valve AT OIDI Customer specific OEM Process connection in and oulet G 1 4 female G 1 8 female G 1 4 female for compression fittings NPT 1 4 female A U O U O Customer specific OEM Measuring tube scale Millimetric scale M Direct reading scale D Customer specific OEM K Options Additional flow table for mm scale T Calibration report P T Laboratory base Back cover plexiglass milky OO I Min limit switch Max limit switch Relays 24 Vdc for limit switch J I Relays 230 Vac for limit switch Hose connectors PVC G 1 4 4 mm Hose connectors PVC G 1 4 6mm Hose connectors PVC G 1 4 8mm Customized measuring tube scale A B O z Customer specific OEM Type code F L V Standard Manual Version Page V Flow Line vflow_E4 7 Vogtlin Instruments AG 34 Type code M Flow Instrument type M Flow Instrument size 25 35 V Stack Materials body seals Aluminium bra
3. Depending on the type of soiling the measuring instrument can be rinsed with isopropyl alcohol IPA The measuring cylinder can be mechanically cleaned with a brush at the most If soiled we recommend that you return the measuring instrument to your distribution partner Return When returning please use the original packaging if possible or suitable alternative packaging We do not accept responsibility for damage in transit Please inform us of the reason for return this enables us to process your request quickly Note If the instrument has been in contact with corrosive or toxic media it is imperative to clean it properly before return Please always complete the contamination declaration form This is provided in the appendix to this manual Instruments which we receive without a contamination declaration form will unfortunately have to be returned to the sender Manual Version Page V Flow Line vflow_E4 7 Vogtlin Instruments AG 28 Appendix Dimensions Q Flow Q Flow 140 185 155 125 Fitting Thread depth D G 1 4 female 7 NPT 1 4 female 9 17 G 1 4 female for rt 12 compression fittings Manual Version V Flow Line vflow_E4 7 Vogtlin Instruments AG Page 29 zZ Dimensions V 100 100 distance 17mm 2xM4 distance 17mm Type C V 100 55 61 5 V 100 80 86 5 V 100 140 205 5 174 5 146 5 Fitting D
4. In Stdl 293 15 273 15 Further information on this subject is given in the FAQs at www voegtlin com Manual Version Page V Flow Line vflow_E4 7 Vogtlin Instruments AG 17 Installation instructions e Before installing the measuring instrument the pipe must be free of particles and moisture e The variable area flowmeter must be installed in a vertical position e The direction of flow is from the bottom upwards e The measuring instrument must be installed stress free Please use the mounting holes provided for this purpose e The process connections must not be sealed with sealing tape or liquid sealer Residues might enter the instrument and lead to defects See also paragraph Recommended connections e Before commissioning make sure that the connections are sealed Instructions for commissioning e The operating limits must not be exceeded See section Technical Information e Connect the control valve to the flow meter or other control element e Open the media supply e Slowly open the control valve and set the required set value See also section Operating principle of the variable area flow meter Recommended connections We recommend the following connections e Pneumatic plug in connection with O ring or flat seal e Compression ring connection with O ring or flat seal e Screw in hose connection with O ring or flat seal e Hose connectors with flat seal Please note the available connection versions for our instrum
5. 40 C 40 C 150 C 150 C 150 C Aluminium Edelstahl Anodized aluminum Nickel plated brass Nickel plated brass FKM Corner valve y A D V gtlin Instruments AG Stainless steel 1 4305 Stainless steel 1 4305 Stainless steel 1 4305 FKM EPDM FFKM Distribution system V Stack Page 11 yi M Flow valve operation options FLOW The following valve operation options are available see also the type code of each instrument Standard knob Standard knob with locking ring manual knob Ne a HH YEH e H H stop ring 518 1552 disc 10x6 4 0 5 518 1550 A Z headless screw M3x6 512 8204 headless screw M3x6 512 8204 e manual knob oo basic valve right or left handed thread made from brass or stainless steel Hex socket and locking nut instead of standard knob locking nut 518 1554 co z lt Digiturn with indication Digi knob 100 divisions cw closed valve only 100 divisons ccw closed valve only b 633 1103 reducing bush 518 1575 digibase 518 1553 2x headless screw M3x3 512 8201 collar ring 518 1563 digiv knob 633 1101 2 x headless screw M3x4 512 8202 digiturn knob 633 1102 headless screw M5x5 2 x headless screw M4x10 512 8217 gt 2 x headless screw M3x3 512 8201 Manual Version Page V Flow Line vflow_E4 7 Vogtlin Instruments AG 12 Measuring ranges variable area flowmet
6. Thread depth NPT 1 4 female 9 G 1 4 female for compression fittings Manual Version Page V Flow Line vflow_E4_7 Vogtlin Instruments AG 30 A Dimensions M Flow FLOW M Flow 25 straight valve Fitting Dimensions in mm Thread depth a b G 1 4 female G 1 8 female 8 NPT 1 4 female 9 G 1 4 female for 17 65 12 compression fittings M Flow 25 corner valve 8xM4 depth 4mm Fitting Dimensions in mm Thread depth a G 1 4 female for ee 17 12 compression fittings Manual Version V Flow Line vflow_E4 7 Vogtlin Instruments AG Page 31 M Flow 35 straight valve mounting hole 8xM4 Gas distribution system V Stack 6 09Xs490 q JO JOquINU 0Z V 2xM4 per block SE m Page Version vflow E4 7 Manual 32 V gtlin Instruments AG V Flow Line EB Type code Q Flow O ea A CC Materials body seals Aluminium brass FKM FKM Stainless steel FKM Stainless steel FKM FKM Stainless steel EPDM Stainless steel EPDM EPDM Customer specific OEM Customer specific OEM OEM S setup Sts seus Customer specific OEM S Valve position Valve at the inlet Valve atthe outlet II Without valve SERR Customer specific OEM gpI Process connection in and oulet G 1 4 female G 1 4 female for compression fittings NPT 1 4 female Measuring tube scale Millimetric scale Direct reading scale Customer sp
7. control valve also has to serve as a locking valve e g if a measuring cylinder has to be exchanged when installed Direct reading scale or mm scale The direct reading scale also known as the product scale is determined for only one operating condition The mm scale is not dependent on the medium pressure and temperature Different tables with various operating conditions can be used The actual measurement value is not visible directly on the instrument but is read using a conversion table Manual Version Page V Flow Line vflow_E4 7 Vogtlin Instruments AG 16 What is the purpose of standard liters and norm liters In contrast to liquids gases can be compressed so it is important to know the density of the gas used This in turn is dependent on pressure and temperature i e if two quantities of gas are to be compared with one another then the current pressure in the pipe and the current temperature of the medium must be known We supply general tables relating to norm liters 0 C 1013 mbar a The two quantities are defined as follows Unit Pressure Temperature Standard liter 1013 25 mbar a 20 Celsius Norm liter 1013 25 mbar a 0 Celsius The US standard liter corresponds to the German norm liter 0 C 1013 25 mbar a However there are other reference temperatures Gas suppliers use a reference temperature of 15 C Conversion of standard liter Stdl into norm liter In and vice versa Stdl In 273 15 293 15
8. 4 6 vilow_E4 7 Version vflow_E4 7 Replaces vilow_E4 2 vflow_E4 3 vilow_E4 4 vflow_E4 5 vflow_E4 6 Author MHU MHU LEU LEU LEU Note Page 21 New Article Code Page 12 21 29 30 31 32 Translation of marking Page 9 10 Material of limit stop added Page 18 Sealing Material Page 31 Drawing Page 11 Drawing V gtlin Instruments AG Page 38
9. A 7 AM a pF Y AY O d zZ ZI T 000 MEK IN 0 00001 0 000001 O Js A O O A A A a a m m 16 spindle turns Cy value 1 1 m h water at Ap of 1bar Manual Version Page V Flow Line vflow_E4 7 Vogtlin Instruments AG 15 Installation and commissioning General instructions Measuring instrument design In addition to the type code see appendix we require you to supply the following information for optimal design of the instrument e Medium e Maximum flow rate e For design without valve Pressure in measuring cylinder e For design with valve Pressure before and after the control valve e Temperature When should the control valve be mounted at the outlet e In vacuum processes the gas expands considerably This leads to significant measurement errors The control valve should therefore always be placed at the outlet for vacuum applications e Liquids often contain gas bubbles These settle on the float This results in a higher flow rate being displayed By installing the control valve at the outlet the gas bubbles become smaller and are better able to flow past the float e Inthe case of fluctuating back pressure e g when gassing a liquid container if the level varies markedly e Inthe case of pulsating media or smaller water hammer the valve at the outlet has a cushioning effect When should the control valve be mounted at the inlet e Inthe case of constant after pressure e If the
10. IF swiss made V gtlin Instruments AG flow technology ee amp Y Langenhagstrasse 1 4147 Aesch Switzerland v gtlin a Phone 41 0 61 756 63 00 Fax 41 0 61 7566301 5 ed www voegtlin com info voegtlin com Instruments Operating instructions V Flow Line Variable area flowmeters Q Flow Variable area flowmeters V 100 High precision control valves M Flow CE Version vflow_E4 7 For the latest information on our products see our website at www voegtlin com 2010 V gtlin Instruments AG Switzerland Manual Version Page V Flow Line vflow_E4 7 Vogtlin Instruments AG 02 Contents Introduction Service and quality Warranty General instructions Safety information Using the manual General information Operating principle of the variable area flowmeter Variable area flow meter type marking High precision control valve type marking Technical data Technical data Q Flow Materials Q Flow Setups Q Flow Technical data V 100 Materials V 100 Setups V 100 Technical data M Flow Materials M Flow Setups M Flow M Flow valve operation options Measuring ranges variable area flowmeters Measuring ranges direct reading scales In h Air and I h Water Measuring ranges direct reading scales mIn min and In min Air Measuring ranges mm scale Q Flow Measuring ranges mm scale V 100 Cy values high precision control valves M Flow Installation and commissioning General instructions Instal
11. by 17 4 turns for FKM and EPDM seals and turn for PTFE seals e Q Flow The grip nuts 4 can be tightened completely e In order to prevent the glass from breaking the measuring glass must be fitted centrally between the seals e Before commissioning check the leak tightness of the instrument Manual Version Page V Flow Line vflow_E4 7 Vogtlin Instruments AG 26 Disassembly Digiturn M Flow Close the rotary knob or valve until the scale shows 00 00 Open the cover ring 633 1104 and remove from the rotary knob Unscrew the M5x5 setscrew The back part of the knob can be pulled off hexagon socket key size 2 5 mm Unscrew the two setscrews 512 8202 on the adapter sleeve 518 1575 The adapter sleeve can be pulled off hexagon socket key size 1 5 mm Loosen the two setscrews on the adjusting ring 518 1563 The ring can be pulled off hexagon socket key size 2 mm The rotary knob is now completely dismounted from the valve Manual Version Page V Flow Line vflow_E4 7 Vogtlin Instruments AG 27 Maintenance When used correctly variable area flow meters from V gtlin Instruments AG do not require any maintenance Soiling The following symptoms indicate soiling e The set value can no longer be reached the control valve is probably soiled e The measuring value rises although the actual flow rate has not been changed measuring cylinder is soiled e Colour change deposits in the measuring cylinder Cleaning
12. cators have the following standard design Minimum Switch Maximum Switch Initiator position E El a es Switching status oo Note In case of power failure the contact closes irrespective of the position of the float For initialization the float must first pass the initiator so that it is recognized by the initiator and the float position is defined Wiring diagram Limit indicator RC 10 RC 15 e g Pepperl Fuchs Type KFD2 SR2 Ex1 W 24 VDC NI 3 brown L 2 j blue Manual Version Page V Flow Line vflow_E4 7 Vogtlin Instruments AG 21 Setting the limit indicator e Remove the front glass 1 o Unscrew both clamping screws 2 a Position the limit indicator g Tighten the clamping screws e Fit the front glass For retrofit installation of a limit indicator the measuring glass must be removed See section Disassembly and Maintenance Manual Version Page V Flow Line vflow_E4 7 Vogtlin Instruments AG 22 Minimum spacing for limit indicators To ensure that the limit indicators do not interfere with one another a minimum space must be complied with Installed vertically in a measuring instrument U NS eee A gt I EN A A FR j TE a Dr Lear s la CA 5 u x e e CUA A Ne FR JA JS pe i a Y E aj nz is eas gt p f pa ON SA E Y e j Fi A j j ate MA ed pr i _ Dr pS e E gt NN Ber ER oe WET ol NAS Pr r B Minimum 6mm
13. curacy in of full scale 2 Measuring tube length 140 mm Scale length 120 mm Float spherical Max pressure 16 bar Max pressure drop 100 C 100 C 100 C Materials V 100 Component Aluminium Stainless steel Top and base sections Stainless steel 1 4305 Mounting plate Anodized aluminum Measuring cylinder Borosilicate glass Connections Stainless steel 1 4305 Float SS 316 L Glass Ceramic Valve stainless steel 1 4305 Seals FKM FKM EPDM Front cover Makrolon Polycarbonate Makrolon Polycarbonate Shock absorbing limit stop Stainless steel 1 4305 PTFE Wetted parts Setups V 100 position of the process connection Standard Setup L Setup R Setup A Setup T Setup O A T and O Type in stainless steel only Manual Version Page V Flow Line vflow_E4 7 Vogtlin Instruments AG 10 LR Technical data M Flow Type Straight valve Corner valve Valve insert cartridge Gas distribution system Ccw closed Valve turns Valve size Leak rate Max pressure Min temperature Max temperature Materials M Flow Component Valve Valve insert cartdrige Connections Seals Wetted parts Setups M Flow Straight valve Version vflow_E4 7 Manual V Flow Line M Flow 25 NS 1 0 bis 3 0 lt 1x10 mbar l s He kh O1 M Flow 35 NS 4 und 6 5 lt 1x10 mbar l s He O1 M Flow V Stack 15 NS 4 und 6 5 lt 1x10 mbar l s He 20 bar 20 bar 20 bar 40 C
14. d of standard knob B Digiturn cw closed valve only C Star grip for digiturn D Digi knob 100 divisons ccw closed valve only L Hose connectors PVC G 1 4 4mm N Hose connectors PVC G 1 4 6mm O Hose connectors PVC G 1 4 8mm Q Customer specific OEM K Type code F L M Standard Manual Version Page V Flow Line vflow_E4 7 Vogtlin Instruments AG 36 Contamination declaration With return of devices please fill out the following statement completely especially the reason for the return the type of residue and cleaning in the case of soiling as well as indication of hazards Device Type code Serial number Reason for return Type of contamination Device came in contact with Cleaned by us with Can you provide further inert no danger information on the corrosive contamination caustic must not come in contact with moisture oxidizing other hazards For the protection of our employees and for general safety during transport proper cleaning and the use of appropriate packaging are mandatory Legal declaration We hereby confirm the correctness and completeness of the above information Company Adress Phone Contact person Date Signature Manual Version Page V Flow Line vflow_E4 7 Vogtlin Instruments AG 37 Change log Date 01 03 2010 17 01 2011 07 05 2012 02 04 2014 22 04 2014 Manual V Flow Line Version vilow_E4 3 vilow_E4 4 vflow_E4 5 vilow_E
15. ecific OEM o Customer specific OEM o OEM Options Additional tlow table formm scale flow table for Additional flow table for mm scale scale Calibration report report Calibration report TT Panel mounting kit Panel mounting kit kit Locking ring Locking ring for standard knob standard knob Locking ring for standard knob Locking nut instead Locking nut instead of standard knob standard knob Locking nut instead of standarc knob Hose connectors Hose connectors PVC G1 4 4mm G 1 4 4mm Hose connectors PVC G 1 4 4mm ft Hose connectors PVC G 1 4 6mm connectors PVC G 1 4 6mm Hose connectors PVC G 1 4 amp mm Hose connectors Hose connectors PVC G 1 4 Bmm G 1 4 8mm Hose connectors PVC G 1 4 amp mm IT Customized measuring tube scale 5 measuring tube scale Customized measuringtubescale Ss Ei Customer specifie OEM specific OEM Customer specific OEM E o xk Type code F L Q Standard Manual Version Page V Flow Line vflow_E4_7 Vogtlin Instruments AG 33 2 Type code V 100 100 Instrument type V 100 F L V Instrument size 55 A 80 B 140 C Materials body seals Aluminium brass FKM S m Stainless steel FKM Stainless steel EPDM Stainless steel FFKM x s OA Customer specific OEM Setup Setup S S
16. embly and maintenance A Important instructions e Close the valves before and after the measuring instrument e Close the needle valve on the measuring instrument Caution When disassembling the measuring glass residual liquids or gases may escape As the float is loose inside the measuring glass care must be taken when removing it so that the float is not lost The same applies to the float stops Disassembly variable area flowmeter Q Flow e Remove the Plexiglas cover 1 from the instrument e Unscrew the valve 2 using an open end wrench and remove it carefully from the instrument with a twisting motion e Unscrew the cap screw 3 hexagon socket key size 4 mm e Pull the instrument off the mounting plate e Unscrew the grip nuts 4 while holding the measuring glass firmly hexagon socket key size 3 mm e The measuring glass can be disassembled by lifting or removing the base section 5 Manual Version Page V Flow Line vflow_E4 7 Vogtlin Instruments AG 25 Disassembly variable area flowmeter V 100 e Remove the screws 1 and Plexiglas 2 e Unscrew the locking screw 3 while holding the measuring glass firmly hexagon socket key size 5 mm e If the screw is loosened sufficiently then the measuring glass can be removed Refitting Refitting is carried out in the reverse sequence e V 100 Tighten the locking screw 3 until the measuring glass stands by itself between the seals Then tighten
17. ents and our range of accessories Manual Version Page V Flow Line vflow_E4 7 Vogtlin Instruments AG 18 Panel mounting Q Flow For mounting the panel opening must be prepared according to the diagram Screw the two mounting brackets onto the instrument as shown Screw the setscrew supplied into the connector and insert the instrument into the aperture from the front From the other side hang the connectors in the openings of the mounting brackets The instrument can be secured by careful tightening of the setscrews Panel aperture Mounting Kit Dimensions in mm Type D Q Flow 55 104 3 Q Flow 80 129 3 Q Flow 140 189 3 Manual Version Page V Flow Line vflow_E4_7 Vogtlin Instruments AG 19 Faceplate mounting V 100 e For mounting the faceplate must be prepared according to the diagram e The instrument is supplied with mounted plate and inserted into the aperture from the front Screw the plate to the control cabinet using suitable M3 screws e For retrofit installation unscrew the glass front of the instrument and fit the plate in place of this and install as described above Panel aperture Mounting Kit Dimensions in mm Panel Panel nr Type AAA W V 100 140 21 5 23 Manual Version Page V Flow Line vflow E4 7 V gtlin Instruments AG 20 VA Limit indicator 100 The V 100 variable area flowmeters can be equipped with a maximum of two limit indicators The instruments with limit indi
18. ers a Measuring ranges direct reading scales In h Air and I h Water FLOW a Air In h Water I h V 20 C V 100 55 V 100 80 V 100 140 V 100 55 V 100 140 A MEC BE oss oss a fT oss oss oss o oss oss ows ise tee tee eo eww RER BE 200 2000 ranges available for V 100 instruments only Manual Version Page V Flow Line vflow_E4 7 Vogtlin Instruments AG 13 Measuring ranges direct reading scales mIn min and In min Air V Medium Air min min 100 Conditions 1 013 bara 20 C Type Q Flow 140 V 100 140 60 640 90 540 Medium Air In min Conditions 1 013 bara 20 C Type Q Flow 80 V 100 80 Q Flow 140 V 100 140 0 1 1 0 1 1 0 3 2 2 0 2 2 2 0 5 5 0 5 6 0 0 2 10 1 5 10 5 2 20 2 26 4 32 6 51 Measuring ranges mm scale Q Flow FLOW Medium Air In h Water I h Q Flow 80 0 04 1 75 890 3000 0 001 0 03 0 8 40 Q Flow 140 0 15 2 25 900 5000 0 002 0 03 12 150 Conditions 1 21 bara 20 C 20 C Measuring ranges mm scale V 100 Medium Air In h Water l h Measuring range V 100 80 0 04 1 75 100 5000 0 0005 0 015 10 100 V 100 140 0 15 2 25 900 5000 0 001 0 018 12 150 Conditions 1 21 bara 20 C 20 C Manual Version Page V Flow Line vflow_E4 7 Vogtlin Instruments AG 14 V Flow Line YE Cy values high precision control valves M Flow FLOW Cy values valves NS1 0 to NS6 5 0 1 0 01 ye A a ig iY S
19. ity and provision of our products and services In the end whether the right product was selected only becomes apparent once the product is in use Therefore we make every effort not just to preach but also to live by top quality and service Warranty The warranty for the products described in this manual is limited to defects in material and workmanship Warranty does in no case exceed product replacement free of charge All claims are null and void in the case of improper use e Use outside the operating limits e Damage due to water hammer e Corrosion damage e Mechanical damage in general Manual Version Page V Flow Line vflow_E4 7 Vogtlin Instruments AG 05 General instructions Check the package for external damage and contact your distribution partner if the instruments have visible defects Check that the delivery is complete and corresponds to the delivery note This product is a precision measuring instrument We would like to point out that you should take due care when choosing the installation site and following these suggestions and instructions Before installing check that the specification on the type label matches your application Please read through these operating instructions carefully before commissioning Incorrect operation errors in comprehension and the consequences of these can lead to breakage of the instrument or risk of personal injury Commissioning and maintenance must be carried out by appropriate
20. lation instructions Instructions for commissioning Recommended connections Panel mounting Q Flow Faceplate mounting V 100 Limit indicator M Flow Digiturn installation Manual Version V Flow Line vflow_E4 7 Vogtlin Instruments AG Oo oO o o NN O O OD aa oO Ol Page 03 Disassembly and maintenance 25 Important instructions 29 Disassembly variable area flowmeter Q Flow 25 Disassembly variable area flowmeter V 100 26 Disassembly Digiturn M Flow 27 Maintenance 28 Soiling 28 Cleaning 28 Return 28 Appendix 29 Dimensions Q Flow 29 Dimensions V 100 30 Dimensions M Flow 31 Type code Q Flow 33 Type code V 100 34 Type code M Flow 35 Contamination declaration 37 Manual Version Page V Flow Line vflow_E4 7 Vogtlin Instruments AG 04 Introduction We are glad that you have decided to use our variable area flow meters and high precision control valves Our instruments will provide you with high quality long lived products This manual contains important information for commissioning and or designing equipment Please contact your distribution partner if anything is not clear We are committed to the continual improvement of our products and documentation Your experience from everyday use can assist us with this We welcome your comments and criticisms We have taken great care in compiling this manual However we cannot accept responsibility for possible errors Service and quality We are continually improving the qual
21. ly qualified personnel Proper use of the products is a necessary precondition for their smooth operation Safety information e The instruments must not be used outside the specified operating limits See also section Technical Data e Incorrect operation can lead to breakage of the instrument or risk of personal injury e When using toxic media it is strongly advised not to use glass cylinder measuring instruments cylinder breakage and leaks can cause risk of personal injury e Shocks e g caused by magnetic valves should be avoided e The measuring instruments must be used solely for the medium specified in the delivery note Media which differ from this may lead to impaired durability and therefore cause leakage Using the manual This manual contains information on the variable area flowmeters Q Flow and V 100 and high precision control valves M Flow sections and paragraphs which only apply to a particular product group are marked as follows A Variable area flowmeters Q Flow FLOW VE Variable area flowmeters V 100 100 M High precision control valves M Flow FLOW Manual Version Page V Flow Line vflow_E4 7 Vogtlin Instruments AG 06 General information Operating principle of the variable area flowmeter The measuring instrument works according to the float measuring principle The measuring unit consists of a tapered graduated precision glass measuring cylinder in which a ball float can move freely up and d
22. own The medium flows through the vertically aligned measuring cylinder from the bottom upwards The float positions itself so that the buoyancy force A acting on it the form resistance W and its weight G are in balance G A W i The flow rate can be read as the height of the float on a scale on the tapered measuring cylinder The value is read off at the middle of the float largest diameter Manual Version Page V Flow Line vflow E4 7 V gtlin Instruments AG 07 E Variable area flow meter type marking The instrument type label is attached to the inside of the left side panel in the V 100 and on the w back of the mounting plate in the Q Flow Example SN 483493 1 006 07 08 BE 133526 Type FLV CSSA SM Air 3 6 43 In min 4 bar a 20 C mm Scale www voegtlin com 41 61 756 63 00 Key SN Serial number Position number of instruments per position BE Customer order number 07 08 Date of manufacture month year Type Specification in accordance with type code standard instruments only Medium measuring range measurement unit pressure temperature and additional information Custom designed instruments are given a seven digit product code instead of a type code e g 137 1215 High precision control valve type marking For the M Flow the type label is attached to the valve cartridge housing An arrow on the body of the valve indicates the flow direction Example Key NS 2 5 S
23. pecification of valve size NS 1 0 to NS 6 5 L Closing direction for valve L left R right V Sealing material V FKM E EPDM P FFKM Custom designed instruments can have additional details such as leakage rate Manual Version Page V Flow Line vflow_E4 7 Vogtlin Instruments AG 08 Technical data Technical data Q Flow Type Turndown ratio Accuracy in of full scale Measuring tube length Scale length Float Max pressure Max pressure drop Materials Q Flow Component Top and base sections Mounting plate Measuring cylinder Connections Float Valve Seals Front cover Shock absorbing limit stop Wetted parts Setups Q Flow Q Flow 55 Q Flow 80 Q Flow 140 10 1 10 1 10 1 MI E 100 C 100 C 100 C Aluminium Stainless steel Anodized aluminum Stainless steel 1 4305 Anodized aluminum Anodized aluminum Borosilicate glass Borosilicate glass Nickel plated brass Stainless steel 1 4305 SS 316 L Glass Ceramic SS 316 L Glass Ceramic Nickel plated brass Stainless steel 1 4305 FKM FKM EPDM Makrolon Polycarbonate Makrolon Polycarbonate Stainless steel 1 4305 PTFE Stainless steel 1 4305 PTFE Standard process connection on the back With valve Without valve Manual Version V Flow Line vflow_E4 7 Page Vogtlin Instruments AG 09 A Technical data V 100 100 Type V 100 55 V 100 80 V 100 140 Turndown ratio 10 Ac
24. ss FKM S Stainless steel FKM E Stainless steel EPDM T Stainless steel FFKM W Customer specific OEM K Setup Straight valve S Corner valve E Valve insert without body O V Stack 1 valve outlet B V Stack 2 valves outlets C V Stack 3 valves outlets D V Stack 4 valves outlets F V Stack 5 valves outlets G V Stack 6 valves outlets H V Stack 7 valves outlets V Stack 8 valves outlets J V Stack 9 valves outlets M V Stack 10 valves outlets N V Stack 11 valves outlets P V Stack 12 valves outlets Q Customer specific OEM Valve rolling direction Valve cw closed Valve ccw closed Customer specific OEM Process connection in and oulet G 1 4 female Type 25 S G 1 8 female Type 25 B G 1 4 female compression fittings Type 25 C NPT 1 4 female Type 25 D G 1 2 female Type 35 S Inlet G 1 Outlet G 1 2 Type V Stack S Customer specific OEM K Valve size NS 1 0 Type 25 A NS 1 5 Type 25 B NS 2 0 Type 25 C NS 2 5 Type 25 D NS 3 0 Type 25 E NS 4 0 Type 35 V Stack F NS 6 5 Type 35 V Stack G Customer specific OEM K Manual Version V Flow Line vflow_E4 7 Vogtlin Instruments AG Options Locking ring for standard knob A Locking nut instea
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