Diaphragm Valves Type 14 True Union Diaphragm Valves Type14
Contents
1. pipe line 2 Remove valve bonnet from the body 3 Turn handle of valve clockwise until it stops Do not for it The compressor should be fully extended out of tl bonnet 4 Bayonet connection type standard Remove the diaphragm from the compressor by turning 90 and mount the new diaphragm by reversing step Make sure that the pin of inserted metal of diaphray connects joint completely Bayonet connection 2 CY a lt ZAN A Threaded connection type Turn the diaphragm clockwise to remove the diaphragm and mount the new diaphragm by reversing step os E E A Threaded connection 5 Mount the bonnet to the valve by reversing step 2 Tighten bonnet bolts by hand only 6 Rotate the handle 360 counter clockwise 7 Using a torque wrench tighten the bonnet bolts in a diagonal criss cross pattern Bonnet torque wrench Unit N m kgf cm Nom Size 15 20 25 32 40 50 65mm 80mm 100mm Diaphragm 8 Re adjust the stopper if necessary 9 Mounting an Ensat and a base panel Procedure Refer to the user s manual for the Ensat Commercially available Bottom stand dimension Nom Size sunnnnnnnNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNSNNNNNNSNNNNNNSNNNNNNNNNNNNNNNENNNNNNENNNNSENNNNNSNENNNNSNENNNNNNNNNNNANENNNNNNNENNNNNNNNNNE Perry Body Bottom nd J P SAE D Nyy z 7 2 DC Or t d J e prag A on E KTA A J ATK oa Pane E 7 EO R p ee J Le SE2. 0mm 65 100mm Sleeve Travel stop adjustment Nominal size 15 50mm Turn valve handle clockwise to the full closed position Tighten the travel stop clockwise until it stop Remove the gauge cover being careful not to damage the and the turn it back counter clockwise 180 Ee gauge cover O ring Remove the travel stop position indicator with a wrench and loosen the axial set screw clockwise with an Slowly tighten the handwheel clock wise until the Tightening torque of the screw leak by stop Unit N m kgf cm Nom Size 15 32 40 50 Torque valve 7 8 80 11 8 120 Travel stop adjustment Nominal size 65 100mm Loosen the gauge cover 11 with hand Loosen the upper nut 20 when fixes the lower nut 20 with wrench Loosen the lower nut 20 Operate the handwheel to tighten gradually until the leakage of fluid stops Tighten the lower nut 20 until it stop and then turn it back counter clockwise 180 Tighten the upper nut 20 when fix the lower nut 20 with wrench Tighten the gauge cover 11 Tightening torque of the screw Unit N m kgf cm 65 100 15 0 153 Nom Size Torque valve 8 Diaphragm replacement procedure Necessary Oe 0 oe Torque wrench Spanner Protective gloves e Goggles i Remark Wear protective gloves and goggles because some fluid is left in the body You can be injured by working without then 1 Drain fluid completely from the
3. A S i e J her ENE g pee sq wy 10 Inspection items oInspect the follow items Ld Check for any flaw crack or deformation on the outside Check whether fluid leaks to the outside lw Check whether the cap nut has been loosened Check whether the handle can be operated smoothly 11 Troubleshooting and action The travel stop is not set Adjust the travel stop correctly Fluid is leaking past the fully Solid particles have lodged in Clear the solid particles from the closed position the valve or WEIT Replace diaphragm If the valve The diaphragm has pulled off the is in vacuum service special stem vacuum valves may be required Valve can not be fully open Consult factory Remove The metal joint part 5 failed diaphragm amp compressor and replace joint Di ble b t and replace The stem is broken pode Oe ANA TEp the stem The handle spins freely Remove The metal joint part 5 failed diaphragm amp compressor and replace joint Bonnet bolts have loosened Re tighten Disassemble and clean on a regular basis Replace defective diaphragm if necessary Valve leaks between body and Media has crystallized on the bonnet diaphragm The diaphragm has failed due to fatigue Valve leaks from stem The diaphragm has failed Replace 12 Handling of residual and waste materials Remark In discarding remaining or waste materials be sure to ask a waste s
4. ASAHI AV Valves Diaphragm Valves Type 14 True Union Diaphragm Valves Typel4 LJser s Manual Contents 1 General operating instructions __wrrrrrsessssstttttssssssseeeeees l 2 General instructions for transportation unpacking and storage s 1 3 Name of OA nn 2 4 Comparison between working temperature and pressure seee 4 5 Installation procedure seee 5 6 Operating procedure nrrrecrcccnnnnmmmmmmnunmmnaniin 9 7 Adjustment procedure for stopper s 9 8 Diaphragm replacement procedure see 12 9 Mounting an Ensat anda base panel s 13 10 Inspection items vm 13 11 Troubleshooting seese 14 12 Handling of residual and waste materials sesesresesresresrsrenrererenreran 14 ASAHI ORGANIC CHEMICALS INDUSTRY CO LTD 1 General operating instruction o Operating valve within the range of working temperature and pressure The valve can be damaged by operation beyond allowable range of temperature or pressure o To select a valve in appropriate materials refer to CHEMICAL RESISTANCE ON ASAHI AV VALVE Some chemicals give heavy damage to valve materials o Bonnet bolt torque should be checked before installation as they may become loose after long term storage A periodic check of the valve condition as well as bonnet amp flange bolt torque should be made part of preventative maintenance program properly re tightening the bolts as necessary It is especially important to re tighten all bolts
5. DF Spigot type Material PP PVDF ee TNC CCS i ge nn nn e Belt wrench Do not use the pipe wrench Sleeve welder or automatic welding machine e User s manual for sleeve welder or automatic welding machine Procedure Loosen the union nut with a belt wrench Remove the union nut 26 and the end connector Lead the union nut 26 through the pipe For the next step refer to the user s manual for the sleeve welder or the automatic welding machine After welding make sure that the O ring A 14 is mounted Set the end connector 25 and the union nut 26 directly without allowing the O ring A 14 to come off Tighten the union nut 14 lightly by hand Use a belt wrench screw it in by turning 90 180 carefully without damaging it Remark Avoid excessive tightening The valve can be destroyed 6 Operating Procedure o Open and close the valve by rotating handwheel o The top of the travel stop will be flush with the top of the handwheel when the valve is fully closed lt Nominal size 15 50mm gt SN Full open Half open Full closed lt Nominal size 65 100mm gt Full open Half open Full closed Caution The valve is designed for manual operation only The use of assist device may damage the valve 7 Adjustment procedure for stopper E N SSS o Spanner e Hexagonal wrench Driver e Protective Gloves e Goggles 15 5
6. during the first shutdown refer to installation on page 5 o The travel stop may have to be adjusted if media leakage is detected between the upstream amp downstream sides of the valve o The valve is not designed to carry any external load of any kind Never stand on or place anything heavy on the valve at anytime o Do not exert excessive force in closing the valve o The valve should be installed such that there is sufficient space for periodic inspection amp maintenance o Do not store or install the valve near any heat source or hot surface o The valve should be operated by hand 2 General instructions for transportation unpacking and strange o Leave the valve in its original packaging until needed for installation o Avoid contact with any coal tar creosote insecticides vermicides or paint Damage to the valve in the force of swelling may occur o The valve is not designed to handle any kind of impact Avoid throwing or dropping the valve o Avoid scratching the valve with any sharp object 3 Name of parts 2 fg fo be aje N Diaphragm 3b is available only when diaphragm 3a is PTFE 9 Sleeve Joint Ensat 8 Handwheel 1b Nut 6 y F I yeaa LOY QU KEY N MO AN A J Ney Pa i X AA lt a a a a Jj i Sa Sy Sa fa S S i Ss gt gt RA R ay N Diaphragm 3b is available only when d
7. ervice company Poisonous gas 1s generated Diaphragm Valve Type 14 True Union Diaphragm Valve Type 14 ASAHI ORGANIC CHEMICALS INDUSTRY CO LTD Head Office No 2 5955 Nakanose cho Nobeoka City Miyazaki Pef Japan Tokyo Office Furukawachtyoda Bldg No 15 9 Uchikanda2 Chome Chiyoda ku Tokyo Japan Singapore Representative Office 16 Raffles Quay 40 03 Hong Leong Building Singapore 048581 Europe Representative Office Am Wehthahn 33 40211 Duesseldorf Germany Information in this manual is subject to change without notice
8. iaphragm 3a is PTFE 8 Handwheel l6 Thrustring B 9 Sleeve 17 S BotNut 6 Stem 1S Thrustring A oo o 4 Comparison between operating temperature and pressure Flange True Union Socket Threaded Spigot Nomir 2 a a a A Do not operate valve beyond the range of working temperature and pressure 5 Installation procedure Flanged type Material U PVC C PVC PP PVDF NECESSALY rrr e Torque wrench e AV gasket When a non AV gasket is used a different tightening torque instruction should be followed Procedure 1 Set the AV gasket between the flanges 2 Insert washers and bolts from the coupled flange side insert washers and nuts from the valve side and temporarily tighten them by hand Remark The parallelism and axial misalignment of the flange surface should be bellow the values in the following A failure to observe them can cause destruction due to stress application to the pipe Unit mm ren on l Axial Paralle
9. in by turning 90 180 carefully without damaging it Remark Avoid excessive tightening The valve can be destroyed Socket type Material U PVC C PVC ao a eee eee ee etree e Adhesive for hard vinyl chloride pipes e Belt wrench Remark Do not install a socket type valve where the atmospheric temperature is 5 or lower The valve can be destroyed Procedure Loosen the union nut 26 with a belt wrench Remove the union nut 26 and end connector 25 Lead the union nut through the pipe Clean the hub part of the end connector 25 by wiping the waste cloth Apply adhesive evenly to the hub part of the end connector 25 and the pipe spigot Remark Do not apply more adhesives than necessary The valve can be destroyed due to solvent cracking Adhesive quality guideline Prom sie 6 2 a a o w oiy 10 1a 20 24 fas ae 9 90 0 After applying adhesive insert the pipe quickly to the end connector 25 and leave it alone for at least 60 seconds Wipe away overflowing adhesive Make sure that O ring A 14 is mounted Set the end connector 25 and union nut 25 directly on the body without allowing the O ring A 14 to come off 10 Tighten the union nut 25 lightly by hand 11 Using a belt wrench screw it in by turning 90 180 carefully without damaging it Remark Avoid excessive tightening The valve can be destroyed Socket type Material PP PV
10. lisni Axial misalignment Parallelism Nom Size ee i misalignment a b 15 32 40 50 10 08 3 Using a torque wrench tighten the bolts and nuts gradually to the specified torque level in a diagonal manner Refer to fig 1 Specified torque valve Unit N m kgf cm 15 20mm 25 40mm 50 65mm 0 100mm 7 F N kS LN foo va ee A Remark Avoid excessive tightening The valve can be destroyed Threaded type Material U PVC C PVC PP PVDF fe INC Ss A CN gee 8 e Sealing tape A non sealing tape can cause leakage e Belt wrench Do not use Pipe wrench Spanner Make sure that the joint part has resin thread Metallic thread can destroy the body cap Procedure Wind a sealing tape around the external thread of joint leaving the end about 3mm free Loosen the union nut 26 with a belt wrench Remove the union nut 26 and the end connector 25 Lead the union nut 26 through the pipe Tighten the external thread of the joint and the end connector 25 lightly by hand Using a spanner screw in the end connector 25 by turning 180 360 carefully without damaging it Remark aroa vareSSive tightening The valve can be destroyed Make sure that the O ring A 14 is mounted Set the end connector 25 and union nut 26 directly on the body without allowing the O ring A 14 to come off Tighten the union nut 26 lightly by hand 10 Using a belt wrench screw it
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