Diaphragm Valves Type 14 True Union Diaphragm Valves Type14
Contents
1. 250 F A Caution Do not operate valve beyond the range of working temperature and pressure The valve can be damaged Diaphragm Valves Type 14 True Union Diaphragm Valves Type14 CE 4 ASAHI AV VALVES Installation Operation and Maintenance Manual 5 Installation procedure Flanged type Material PVC C PVC PP PVDF aaa NA AN rer Torque wrench Spanner wrench AV gasket When anon AV gasket is used a different tightening torque specification should be followed Bolt Nut Washer For many flanges specification Procedure 1 Setthe AV gasket between the flanges 2 Insert washers and bolts from the pipe side insert washers and nuts from the valve side then temporarily tighten them by hand A Caution The parallelism and axial misalignment of the flange surface should be under the values shown in the following table to prevent damage the valve A failure to observe them can cause destruction due to stress application to the pipe Unit mm inch Nom Size Axial Parallelism l misalignment a b 15 32mm 1 2 1 1 4 Axial misalignment Parallelism q 1 0 0 04 0 5 0 02 40 50mm 1 1 2 2 1 0 0 04 0 8 0 03 65 piya 3 Tighten the bolts and nuts gradually with a torque wrench to the specified torque level in a diagonal manner Refer to Fig 1 _Recommended torque value Unit N m kgfcm Ib inch Nom Size 15 20mm 25 40mm 50 65mm 80 100mm 1 992. The valve can be damaged Diaphragm Valves Type 14 True Union Diaphragm Valves Type14 CE 6 ASAHI AV VALVES Installation Operation and Maintenance Manual Socket type Material PVC C PVC pes ecessary items mr Adhesive for hard vinyl chloride pipes Strap wrench A Caution Do not install a socket type valve where the atmospheric temperature is 5 Cor lower The valve can be damaged Procedure 1 Loosen the union nut Q6 with a strap wrench 2 Remove the union nut Q6 and end connectors 3 Lead the union nut through the pipe 4 Clean the hub part of the end connectors by wiping with a waste cloth 5 Apply adhesive evenly to the hub part of the end connector2s and the pipe spigot A Caution Do not apply more adhesives than necessary The valve can be damaged due to solvent cracking Adhesive quantity guideline Aka wz em ay alaam e e e 6 After applying adhesive insert the pipe quickly to the end connector 2s and leave it alone for at least 60 seconds 7 Wipe away overflowing adhesive 8 Make sure that O ring C 2 is mounted 9 Tighten union nut 26 on each valve until hand tight 10 Using a strap wrench tighten union nuts uniformly on each side approx 90 180 turns 1 4 to 1 2 turns 11 Using a strap wrench screw it in by turning 90 180 carefully without damaging it A Caution Avoid excessive tightening The valve can be damaged Diaphra
3. 3 1 1 1 Q2 1 3 3 4 Torque value A Caution Avoid excessive tightening The valve can be damaged Diaphragm Valves Type 14 True Union Diaphragm Valves Type14 CE 5 ASAHI AV VALVES Installation Operation and Maintenance Manual Threaded type _ Material PVC C PVC PP PVDF pee Necessary items rrr B Sealing tape A non sealing tape can cause leakage Strap wrench Do not use Pipe wrench Spanner wrench A Caution Make sure that the threaded connections are plastic x plastic Metallic thread can destroy the body cap Procedure 1 Winda sealing tape around the extemal thread of joint leaving the end about 3mm free 2 Loosen the union nut 6 with a strap wrench 3 Remove the union nut 6 and the end connectors 4 Lead the union nut Q8 through the pipe 5 Tighten the extemal thread of the joint and the end connectors hardly with hand 6 Using a spanner wrench screw in the end connector25 by tuming 180 360 carefully without damaging it A Caution Avoid excessive tightening The valve can be damaged 7 Make sure that the O ring C is mounted 8 Set the end connector 5 and union nut Co directly on the body without allowing the O ring C to come off 9 Tighten union nut 26 on each valve until hand tight 10 Using a strap wrench tighten union nuts uniformly on each side approx 90 180 turns 1 4 to 1 2 turns A Caution Avoid excessive tightening
4. 50mm ead 1 2 1 1 4 1 1 2 2 8 0 12 0 Torque value 81 122 71 106 10 ASAHI AV VALVES Installation Operation and Maintenance Manual Travel stop adjustment lt Nominal size 65 100mm gt 1 Loosen the gauge cover GD with hand 2 Loosen the upper nut 20 from the lower nut 20 with spanner wrench 3 Loosen the lower nut 0 4 Operate the handle wheel to tighten gradually until the leakage of fluid stops 5 Tighten the lower nut 0 until it stop and then turn it back counter clockwise 180 6 Tighten the upper nut 0 to the lower nut Q9 with spanner wrench 7 Tighten the gauge cover 4D Tightening torque of the screw Unit N m kgf cm Ib inch 65 100mm Nom Size 2 1 24 Torque valve 15 0 153 133 Diaphragm Valves Type 14 True Union Diaphragm Valves Type14 CE 11 ASAHI AV VALVES Installation Operation and Maintenance Manual 8 Diaphragm replacement procedure oom Necessary items Torque wrench Spanner wrench Protective gloves Goggles A Caution 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 pipe line 2 Remove valve bonnet from the body 3 Tum handle of valve clockwise until it stops Do not force it The compressor should be fully extended out of the bonnet 4 _Bayonet connection type standard Remove the diaphragm from the compress
5. 3 6 Diaphragm Valves Type 14 True Union Diaphragm Valves Type14 CE
6. ASAHI AV VALVES Diaphragm Valves Type 14 Installation Operation and Maintenance Manual True Union Diaphragm Valves Typel4 User s Manual 1 2 3 4 5 6 7 8 9 10 11 12 13 Contents General operating instructions seess l General instructions for transportation unpacking and storage seeme JI Name of eteinen 2 Comparison between working temperature and pressure mme 4 Installation procedure wm 5 Operating procedure een 9 Adjustment procedure for stopper serere 9 Diaphragm replacement procedure seeme 12 Mounting an inserted and a base panel me 13 Inspection ems seriene S 13 Troubleshooting eee 14 Handling of residual and watemateials nee 14 Marking nimi 15 TA Taguines semester eee 16 ASAHI AV VALVES Diaphragm Valves Type 14 True Union Diaphragm Valves Type14 CE ASAHI AV VALVES Installation Operation and Maintenance Manual 1 General operating instructions O Operate the valve within the pressure Vs temperature range The valve can be damaged by operating beyond the allowable range O Select a valve material that is compatible with the media refer to CHEMICAL RESISTANCE ON ASAHI AV VALVE Some chemicals may damage incompatible valve materials 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
7. agm 1f necessary fatigue Valve leaks from stem The diaphragm has failed diaphragm 12 Handling of residual and waste materials A Caution In discarding remaining or waste materials be sure to ask a waste service company Poisonous gas is generated Diaphragm Valves Type 14 True Union Diaphragm Valves Type14 CE 14 ASAHI AV VALVES Installation Operation and Maintenance Manual 13 Marking EN marking Nominal size Nominal press Max allowable working temp Max allowable working press Molded date fr ae Im N aai SAn Msza ai Ni on J amp i p fe i NA OS 2 NS sie wA S Yi gt vo NS NA mn J J S y i Fi A a BA Y If SS wy N ESS j Bottom view AOC symbol gS Ma Valve label O2 B OOOO F In case of true m g 1 Year ex 022002 union type tens oa 2 Month ex A Jan B Feb 3 Ser No zE A 2 Revision symbol CE0035 label LE U y N J Nominal Max allowable Max allowable Material Nominal size press working temp working press DN15 DN20 DN25 DN32 DN40 DN50 oe oe DN65 DN80 DN100 PN10 60 C DN15 DN20 DN25 DN82 o DN65 DN80 DN100 PN10 90 C DN15 DN20 DN25 DN32 o DN65 DN80 DN100 PN10 90 C DN15 DN20 DN25 DN32 DN65 DN80 DN100 PN10 120 C Note Label of CE0035 are applied to valves DN32 and over If the nameplate i
8. be made part of preventative maintenance program properly re tightening the bolts as necessary It is especially important to re tighten all bolts during the first shutdown Refer to 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 Do not step on the valve or apply excessive weight on valve It can be damaged O Do not exert excessive force in closing or opening the valve Make sure to consult a waste treatment dealer to dispose of the valves Poisonous gas is generated when the valve is burned improperly Allow sufficient space for maintenance and inspection O Keep the valve away from excessive heat or fire It can be deformed or destroyed The valve should be operated by hand 2 General instructions for transportation unpacking and strange Keep the valve packed in the carton or box as delivered until installation Keep the valve away from coal tar creosote antiseptic for wood termite insecticide vermicides and paint The could cause swelling and damage the valve Do not impact or drop the valve It can be damaged Avoid scratching the valve with any sharp object Diaphragm Valves Type 14 True Union Diaphragm Valves Type14 CE 1 ASAHI AV VALVES Installation Operation and Maintenance Manual 3 Name of parts LD VAKArAL LRUDDerF V aphragm Diaphragm 4 is available on
9. e 65 100mm 2 1 2 4 gt fo a ITN Full open Half open Full shut A Caution The valve is designed for manual operation only The use of assist device may damage the valve 7 Adjustment procedure for stopper a INS CSSA is ee lll EA 2 Spanner wrench Allen wrench Screw driver Protective Gloves Goggles lt 65 100mm gt Diaphragm Valves Type 14 True Union Diaphragm Valves Type14 CE 9 ASAHI AV VALVES Travel stop adjustment lt Nominal size 15 50mm gt Turn valve handle clockwise to the full closed position Remove the gauge cover being careful not to damage the gauge cover O ring Remove the travel stop position indicator with a spanner wrench and loosen the axial set screw counterclockwise with an Allen wrench The axial set screw is located within Ne brass travel stop looking down 7 Ii As Loosen the travel stop counter clockwise Eo Diaphragm Valves Type 14 True Union Diaphragm Valves Type14 CE Installation Operation and Maintenance Manual Tighten the travel stop clockwise until it stop 5 and the tum it back counter clockwise 180 6 Secure the travel stop position indicator with wrench and tighten the axial set screw clockwise with an Allen wrench Re attach the gauge cover a Tightening torque of the screw Unit N m kef cm lb inch 15 32mm 40
10. gm Valves Type 14 True Union Diaphragm Valves Type14 CE 7 ASAHI AV VALVES Installation Operation and Maintenance Manual Socket type Material PRPVDF Spigottype Material PRPVDF pes N CeSSary items rrr 3 Strap wrench Do not use the pipe wrench Sleeve welder or automatic welding machine User s manual for sleeve welder or automatic welding machine Procedure 1 Loosen the union nut with a strap wrench 2 Remove the union nut Q6 and the end connector st 3 Lead the union nut 29 through the pipe 4 For the next step refer to the user s manual for the sleeve welder or the automatic welding machine 5 After welding make sure that the O ring C is mounted 6 Set the end connector25 and the union nut 6 directly without allowing the O ring C to come off 7 Tighten union nut 29 on each valve until hand tight 8 Using a strap wrench tighten union nuts uniformly on each side approx 90 180 turns 1 4 to 1 2 turns A Caution Avoid excessive tightening The valve can be damaged Diaphragm Valves Type 14 True Union Diaphragm Valves Type14 CE 8 ASAHI AV VALVES Installation Operation and Maintenance Manual 6 Operating Procedure Open and shut the valve by rotating handle wheel The top of the travel stop will be flush with the top of the handle wheel when the valve is fully closed lt Nominal size 15 50mm 1 2 2 gt Full open Half open Full shut lt Nominal siz
11. ly when diaphragm Ga is PTFE oJ mm o memo vimm el sm fof mwo o omo o See o o Too oa a OOOO Diaphragm Valves Type 14 True Union Diaphragm Valves Type14 CE 9 ASAHI AV VALVES Installation Operation and Maintenance Manual S A NI du lt DDR N S SD x i WA z Si PA a a ye YA Ya EA K WA A p E ES ASSA NINI ir NII KBAQ no WW SUT 42 SA Diaphragm is available only when diaphragm Ga is PTFE O ohin O Retiningringeype Compresorpn O om o omw O ma toting Spring washer sm o mm O vese Diaphragm Valves Type 14 True Union Diaphragm Valves Type14 CE ASAHI AV VALVES Installation Operation and Maintenance Manual 4 Comparison between operating temperature and pressure UAA T 1 0 310 2 s No lL Ya 150 KA 2 2 40 OK 120 gt 3 70 105 21 25C Temperatur T 2 ZI 10 f T 5 30 70 105 140 175 210
12. or by turning it 90 and mount the new diaphragm by reversing step Make sure that the pin of inserted metal of diaphragm connects joint completely Tum the diaphragm clockwise to remove the diaphragm and ee ee ee mount the new diaphragm by reversing step AA KY YA vein 5 Mount the bonnet to the valve by reversing step 2 Tighten bonnet bolts J LI by hand only B r irm 6 Rotate the handle 360 counter clockwise gt 7 Using a torque wrench tighten the bonnet bolts in a diagonal cross cross pattern Bonnet torque value Unit N m cm ib inch 15 20mm 25 32mm ae 50mm 65mmm 100mm Diaphragm 1 9 3 J 17 jl 1 1 12 2 2 1 Ge 4 15 0 13 0 18 0 35 0 12 0 an 122 153 133 184 357 106 133 115 160 310 15 0 20 0 15 0 20 0 40 0 6 a 153 12043 153 204 408 133 177 133 177 355 8 Re adjust the stopper if necessary Diaphragm Valves Type 14 True Union Diaphragm Valves Type14 CE 12 ASAHI AV VALVES Installation Operation and Maintenance Manual 9 Mounting an inserted metal and a base panel Procedure Refer to the user s manual for the Inserted metal Ensat Commercially available Bottom stand dimension Unit mm inch 15 32mm 1 2 1 1 4 25 0 98 7 0 28 13 0 51 40 50mm 1 1 2 2 45 1 77 9 0 35 15 0 59 Fixation of bottom stand with panel E tand ody Bottom
13. s damaged or become dirty let our Sales Division know the Manufacturing number We will send a new nameplate Diaphragm Valves Type 14 True Union Diaphragm Valves Type14 CE 15 ASAHI AV VALVES Installation Operation and Maintenance Manual 14 Inquiries ASAHI ORGANIC CHEMICALS INDUSTRY CO LTD Nobeoka Head Office Tokyo Head Office Singapore Branch Office Europe Representative Office Shanghai Branch Office ASAHI AMERICA Ine Distributor 2 5955 Nakanose Cho Nobeoka City Miyazaki Pref Japan Tel 81 982 35 0880 Fax 81 982 35 9350 Furukawachiyoda Bldg 15 9 Uchikanda 2 Chome Chiyoda Ku Tokyo Japan Tel 81 3 3254 8177 Fax 81 3 3254 3474 16 Raffles Quay 40 03 Hong Leong Building Singapore 048581 Tel 65 220 4022 Fax 65 324 6151 Kaiser Friedrich Promenade 61 D 61348 Bad Homburg v d H Germany Tel 49 6172 9175 0 Fax 49 6172 9175 25 Room 1301 P Shanghai Kerry Center 1515 Nanjing Xi Road Shanghai China Tel 21 5298 6900 Fax 21 5298 6556 35 Green Street PO Box 653 Malden Massachusetts 02148 U S A Tel 1 781 321 5409 Fax 1 781 321 4421 Diaphragm Valves Type 14 True Union Diaphragm Valves Type14 CE 16 ASAHI AV VALVES Installation Operation and Maintenance Manual Diaphragm Valve Type 14 True Union Diaphragm Valve Type 14 ASAHI AV VALVES Information in this manual is subject to change without notice 200
14. stand PONS r Ky li K A sie Panel X Visi A EO oA 74 ae Wa E E e See ad R ae Boli C Se 10 Inspection items Olnspect the following items Check for any flaw crack or deformation on the outside Check whether fluid leaks to the outside Check whether the cap nut has been loosened Check whether the handle can be operated smoothly Diaphragm Valves Type 14 True Union Diaphragm Valves Type14 CE 13 ASAHI AV VALVES Installation Operation and Maintenance Manual 11 Troubleshooting The travel stop is not set correctly Adjust the travel stop Fluid is leaking past the fully closed Solid particles have lodged in the Clear the solid particles from the position valve valve Replace diaphragm If the valve is in The diaphragm has pulled off the vacuum service special vacuum valves may be required Valve can not be fully open Consult factory Remove The metal joint failed Diaphragm amp compressor and replace joint The stem is broken a bonnet and replace the The handle spins freely The metal joint failed Remove diaphragm amp compressor and replace jomt Bonnet bolts have loosened Re tighten Disassemble and clean on a regular Valve leaks between body and bonnet Media has crystallized on the basis Replace failed diaphr
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