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Serial No.: H-A017-E-09
Diaphragm valve Type 15
Pneumatic Type AV
125,150mm
Userʼs Manual
Thank you for choosing our product.
This Userʼs manual contains important information for safe use of our
product, so please be sure to read it before handling the product.
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[Userʼs Manual] Diaphragm valve Type 15 Pneumatic actuated Type AV
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Summary of Contents for AsahiAV 15
- Page 1 After reading this manual, please be sure to keep it in a place where the user can see it at any time. [Userʼs Manual] Diaphragm valve Type 15 Pneumatic actuated Type AV - 1 -...
- Page 2 In the handling of the product, it is prohibited to do it in "Do not do it". Prohibition In the handling of the product, it is forced by "contents to be carried out without fail". Forcing [Userʼs Manual] Diaphragm valve Type 15 Pneumatic actuated Type AV - 2 -...
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Page 3: Table Of Contents
Daily inspection ................................27 Periodic inspection ................................28 15. Cause of malfunction and remedy ·················································································· 30 16. Disposal method of residual materials and waste materials ······································· 33 Inquiries ···································································································································· 34 [Userʼs Manual] Diaphragm valve Type 15 Pneumatic actuated Type AV - 3 -... -
Page 4: Our Product Warranty Coverage
However, this does not apply to damage caused by a defect in our product. [Userʼs Manual] Diaphragm valve Type 15 Pneumatic actuated Type AV - 4 -... -
Page 5: Safety Instructions
(The strength of cardboard packaging decreases when it gets wet. Be very careful when storing and handling it.) ▶ After unpacking, make sure that the product is correct and that it meets the specifications. [Userʼs Manual] Diaphragm valve Type 15 Pneumatic actuated Type AV - 5 -... -
Page 6: Product Handling
▶ When installing piping, gaskets are basically not required. However, when connecting to a resin flange that is prone to dents, scratches, or warping, use gaskets to ensure stable sealing performance. [Userʼs Manual] Diaphragm valve Type 15 Pneumatic actuated Type AV - 6 -... - Page 7 (Rear part of the product) If the diaphragm is damaged by operating conditions, working fluid may spout out of the intake and exhaust holes. Be careful. [Userʼs Manual] Diaphragm valve Type 15 Pneumatic actuated Type AV - 7 -...
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Page 8: Name Of Each Part
Insert metal of diaphragm [24] Bolt-nut [52] Actuator (Air to close) Cushion [24a] Washer [56] Stand (A) Cushion cover Spring washer [29] (Use with the PVDF body) [18] Stopper [Userʼs Manual] Diaphragm valve Type 15 Pneumatic actuated Type AV - 8 -... -
Page 9: Product Specifications
Serial No.: H-A017-E-09 4. Product Specifications Model number table Relationship between maximum allowable pressure and temperature [Userʼs Manual] Diaphragm valve Type 15 Pneumatic actuated Type AV - 9 -... -
Page 10: Actuator
NL/ per 1 open and Air to open type 55.6 84.2 close Air to close type 38.4 60.5 (at 0.4MPa) Air supply bore All type Rc 1/4 [Userʼs Manual] Diaphragm valve Type 15 Pneumatic actuated Type AV - 10 -... -
Page 11: Optional Specifications
4N3S102K-W□-G31193 Specification sign 100VAC 50/60Hz 110VAC 50/60Hz 200VAC 50/60Hz 220VAC 50/60Hz 24VDC 48VDC 100VDC 125VDC ※ () Appended text is a special item. Connection diagram JIS sign [Userʼs Manual] Diaphragm valve Type 15 Pneumatic actuated Type AV - 11 -... - Page 12 Pipe bore 125,150mm All type SC7-08A Rc 1/4 (5”, 6”) Effective cross section Needle No. area (mm Actuation Control revolution Free flow flow All type 11.0 8turns [Userʼs Manual] Diaphragm valve Type 15 Pneumatic actuated Type AV - 12 -...
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Page 13: Piping Method
▶ Be sure to use the sealing gaskets (AV gasket), bolts/nuts, and washers to tighten them to the specified tightening torque. (The tightening torque will change if the gasket is not a AV gasket.) [Userʼs Manual] Diaphragm valve Type 15 Pneumatic actuated Type AV - 13 -... - Page 14 The valve can be damaged, or leak. Forcing ▶ Tighten the bolts and nuts of the connection flange diagonally to the specified torque. (Fig. 1) Size 125mm 150mm Torque value 40.0{408} 40.0{408} [Userʼs Manual] Diaphragm valve Type 15 Pneumatic actuated Type AV - 14 -...
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Page 15: Air Piping Method
(Air to close) Air supply Air supply Air supply shut shut open Air supply open ※ Although the picture shows no speed controller, the piping procedure is the same. [Userʼs Manual] Diaphragm valve Type 15 Pneumatic actuated Type AV - 15 -... - Page 16 2) Tighten the fitting to the air piping port (see Fig. 1 and Fig. 2) with a fitting. 3) Screw the fitting in one turn with a wrench. 4) Install copper or tube tubes for air piping. Fig.2 [Userʼs Manual] Diaphragm valve Type 15 Pneumatic actuated Type AV - 16 -...
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Page 17: Support Installation Method
Fix the mounting base [56] and the mount provided on the valve with bolts. Lay a rubber sheet on the actuator part and support it with the frame. [Userʼs Manual] Diaphragm valve Type 15 Pneumatic actuated Type AV - 17 -... -
Page 18: How To Connect Limit Switch
※Tighten the screws securely. 7) Tighten the three screws holding the limit switch cover with a Phillips screwdriver to attach the cover. 8) Tighten the cable with the connector. [Userʼs Manual] Diaphragm valve Type 15 Pneumatic actuated Type AV - 18 -... -
Page 19: Solenoid Valve Connection Method
8) Attach the cover with the cover set screw. [The cover can be mounted either with the wiring outlet at the top or bottom.(Fig. 1)] 9) Tighten the cable with the connector. [Userʼs Manual] Diaphragm valve Type 15 Pneumatic actuated Type AV - 19 -... -
Page 20: Commissioning Method
4) Turn off the power to the solenoid valve. Push button Current Double action/Air to open Air to close Pushed Open Shut Not pushed Shut Open [Userʼs Manual] Diaphragm valve Type 15 Pneumatic actuated Type AV - 20 -... - Page 21 ※Do not tighten the lock nut with excessive force. [Userʼs Manual] Diaphragm valve Type 15 Pneumatic actuated Type AV - 21 -...
- Page 22 ※Do not tighten the lock nut with excessive force. [Userʼs Manual] Diaphragm valve Type 15 Pneumatic actuated Type AV - 22 -...
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Page 23: How To Adjust And Operate Stoppers
After adjusting the stopper, also adjust the option. For safety purposes when the positioner is attached, Be sure to make adjustments with the auto control turned OFF. [Userʼs Manual] Diaphragm valve Type 15 Pneumatic actuated Type AV - 23 -... -
Page 24: How To Disassemble/Assemble For Parts Replacement
▶ When installing piping, be sure to wear the appropriate protective equipment according to the operation details. ▶ When replacing the valve or replacing parts, reduce the pressure in the piping to zero and completely drain the fluid. [Userʼs Manual] Diaphragm valve Type 15 Pneumatic actuated Type AV - 24 -... - Page 25 6) Adjust the stoppers from step 5 of the procedure for adjusting and operating the stoppers. (Table 1) Body tightening torque value Units: N•m {kgf・cm} Size Diaphragm 125mm 150mm material Rubber 45 {459} 45 {459} PTFE 45 {459} 45 {459} [Userʼs Manual] Diaphragm valve Type 15 Pneumatic actuated Type AV - 25 -...
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Page 26: Inspection Item
▶ When removing the valve from the piping when replacing the valve or parts, completely remove the fluid from the piping before starting work. ▶ If any trouble is found, take the appropriate action referring to "15. Cause of malfunction and remedy". -
Page 27: Daily Inspection
(Ref: 2. Safety Instructions) No odor Odor Valves and actuators Remove the valve from the pipe and replace (sniffing) the valve or actuator. (Ref: 13.How to disassemble/assemble for parts replacement) [Userʼs Manual] Diaphragm valve Type 15 Pneumatic actuated Type AV - 27 -... -
Page 28: Periodic Inspection
(Ref: 13.How to disassemble/assemble for parts replacement) Piping around the valve Recheck the operating conditions and remove the source of vibration. (Ref: 2. Safety Instructions) [Userʼs Manual] Diaphragm valve Type 15 Pneumatic actuated Type AV - 28 -... - Page 29 Appearance of the Remove the valve from the pipe and replace scratches, product the valve or actuator. cracks, or (Ref: 13.How to disassemble/assemble for deformation parts replacement) [Userʼs Manual] Diaphragm valve Type 15 Pneumatic actuated Type AV - 29 -...
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Page 30: Cause Of Malfunction And Remedy
Perform stopper adjustment. Fluid leaks even when fully (Ref: 12. How to adjust and operate Insufficient stopper adjustment closed stoppers) [Userʼs Manual] Diaphragm valve Type 15 Pneumatic actuated Type AV - 30 -... - Page 31 Remove the valve from the piping, disassemble it, and remove foreign matter. (Ref: 13.How to disassemble/assemble for parts replacement) Piping stress is applied to the Remove the piping stress valve. [Userʼs Manual] Diaphragm valve Type 15 Pneumatic actuated Type AV - 31 -...
- Page 32 Valve is corroded or chemical liquids, or other remove the valve from the piping, and deformed liquids. replace the valve. (Ref: 13.How to disassemble/assemble for parts replacement) [Userʼs Manual] Diaphragm valve Type 15 Pneumatic actuated Type AV - 32 -...
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Page 33: Disposal Method Of Residual Materials And Waste Materials
When burnt, toxic gas is generated. Forcing ▶ When disposing of the product or parts, please dispose of them according to the guidelines of each local authority by a professional disposal company. [Userʼs Manual] Diaphragm valve Type 15 Pneumatic actuated Type AV - 33 -... -
Page 34: Inquiries
[Userʼs Manual] Diaphragm valve Type 15 Pneumatic Type AV 125,150mm https://www.asahi-yukizai.co.jp/en Please note that the content of this manual is subject to change without notice. April 2024 [Userʼs Manual] Diaphragm valve Type 15 Pneumatic actuated Type AV - 34 -... - Page 35 Serial No.: H-A036-E-10 Diaphragm Valve Type 72 Pneumatic Actuated Type AV (200, 250mm) Userʼs Manual Thank you for choosing our product. This instruction manual contains important information for safe use of our product, so please be sure to read it before handling the product. After reading this manual, please be sure to keep it in a place where the user can see it at any time.
- Page 36 Serial No.: H-A036-E-10 -SAFETY PRECAUTIONS- This instruction manual is written on the assumption that the person who handles our products has a basic knowledge of our products, electrical equipment, machinery, control, etc., and it contains technical terms depending on the handling contents. Please read this manual carefully and fully understand the contents and observe the safety precautions for proper use.
- Page 37 14. Inspection item ·················································································································· 26 Daily inspection ................................27 Periodic inspection ................................28 15. Cause of malfunction and remedy ·················································································· 30 16. Disposal method of residual materials and waste materials ······································· 33 Inquiries ···································································································································· 34 [Userʼs Manual] Diaphragm Valve Type 72 Pneumatic Actuated Type AV 200, 250mm...
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Page 38: Our Product Warranty Coverage
Serial No.: H-A036-E-10 1. Our product warranty coverage Unless otherwise stated in the Contract or Specifications, etc., the warranty for the piping material products (hereinafter referred to as "applicable products") such as valves manufactured or sold by us is as follows. Applicable to This warranty applies only when the product is used in Japan. -
Page 39: Safety Instructions
Serial No.: H-A036-E-10 2. Safety Instructions Unpacking, Transportation and Storage Serious injury can result. Prohibition ▶ When hanging or slinging a valve, pay sufficient attention to safety, and do not enter under the load. The valve can be damaged, or leak. Prohibition ▶... -
Page 40: Product Handling
Serial No.: H-A036-E-10 Product Handling Serious injury can result. Prohibition ▶ Do not disassemble the actuator. The valve can be damaged, or leak. Forcing ▶ If positive pressure gas is used for our resin piping material, a dangerous condition may occur due to the repulsive force peculiar to compressible fluids even if the pressure is the same as the water pressure. - Page 41 Serial No.: H-A036-E-10 The valve can be damaged, or leak. Prohibition ▶ Do not step on the valve or place heavy objects on it. ▶ Keep away from fire and hot objects. There is a danger of injury. Forcing ▶ Secure sufficient space for maintenance and inspection when piping. The valve can be damaged, or leak.
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Page 42: Name Of Each Part
Serial No.: H-A036-E-10 3. Name of each part 200mm, 250mm (In case of body material is PVDF) (Rubbers) (PTFE) (Spec. cushion cover) Body [18] Stopper Conical spring washer [29] ( Use with the PVDF body ) Diaphragm [21] Gauge cover Insert metal of diaphragm [3a] [23]... -
Page 43: Product Specifications
Serial No.: H-A036-E-10 4. Product Specifications Model number table [Userʼs Manual] Diaphragm Valve Type 72 Pneumatic Actuated Type AV 200, 250mm - 9 -... -
Page 44: Relationship Between Maximum Allowable Pressure And Temperature
Serial No.: H-A036-E-10 Relationship between maximum allowable pressure and temperature [Userʼs Manual] Diaphragm Valve Type 72 Pneumatic Actuated Type AV 200, 250mm - 10 -... -
Page 45: Actuator Specifications
Serial No.: H-A036-E-10 Actuator specifications Size (mm) Standard operating pressure Double action type 0.4{4.1}〜0.6{6.1} MPa {kgf/cm2} Air consumption N/ per 1 open and close Double action type 87.3 (at 0.4MPa) Air supply bore Double action type Rc 3/8 [Userʼs Manual] Diaphragm Valve Type 72 Pneumatic Actuated Type AV 200, 250mm - 11 -... -
Page 46: Optional Specifications
Serial No.: H-A036-E-10 5. Optional specifications Solenoid valve Actuation Size Type sign Pipe bore Effective area Double 200,250mm 2503-4E1-54W Rc 3/8 15mm action type connection diagram JIS sign Black cable commutator Limit switch Actuation Size Type sign Protection grade Double action type 200、250 mm 1LS1-J IP67(IEC529) - Page 47 Serial No.: H-A036-E-10 Filter-regulator JIS sign Element Actuation Type sign Filtration Size Pipe bore rate Double 200mm action ARU3A-03-10A-G Rc 3/8 5μm 250mm type Speed controller JIS sign Actuation Size Type sign Pipe bore Double 200mm SC6-02-10A Rc 3/8 action type 250mm [Userʼs Manual] Diaphragm Valve Type 72 Pneumatic Actuated Type AV 200, 250mm - 13 -...
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Page 48: Mounting Method
Serial No.: H-A036-E-10 6 Mounting method The valve can be damaged, or leak. Forcing ▶ Do not open or close the valve with dust or other foreign matter in the fluid. ▶ Since foreign matter such as sand may remain in the pipeline even after the valve is installed, open and close the valve after cleaning the inside of the pipe. - Page 49 ▶ Tighten the bolts and nuts of the connection flange diagonally to the specified torque. (Fig. 1) Specified torque. Unit: N•m {kgf・cm} Size 200mm 250mm Torque value 55.0{561} 55.0{561} [Userʼs Manual] Diaphragm Valve Type 72 Pneumatic Actuated Type AV 200, 250mm - 15 -...
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Page 50: Air Piping Method
Serial No.: H-A036-E-10 7. Air piping method The valve can be damaged, or leak. Prohibition ▶ Do not remove the protective plug until just before connecting the air piping. ▶ Do not over-tighten the fitting for air piping. The valve can be damaged, or leak. Forcing ▶... -
Page 51: Support Installation Method
Serial No.: H-A036-E-10 8. Support installation method The valve can fail, break, become damaged, or leak. Prohibition ▶ Do not cause large vibrations to the valve by the piping around the pump. The valve can be damaged, or leak. Forcing ▶... -
Page 52: Limit Switch Wiring Method
Serial No.: H-A036-E-10 9. Limit switch wiring method Serious injury can result. Prohibition ▶ Do not connect or separate lines to the limit switch in the power supply status. (electric shock or sudden start of the machine) The valve can be damaged or leak. ▶... - Page 53 Serial No.: H-A036-E-10 ▶ Phillips screwdriver ▶ connector (G1/2) Preparations ▶ Compressed Terminal ▶ Wire Stripper ▶ Terminal Crimp Tool [Procedure] 1) Loosen the three screws holding the limit switch cover with a Phillips screwdriver and remove the cover. Open limit switch ※The screws are structured so that they do not come off the cover.
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Page 54: Solenoid Valve Connection Method
Serial No.: H-A036-E-10 10. Solenoid valve connection method Serious injury can result. Prohibition ▶ Do not connect or separate lines to the solenoid valves in the power supply status. Doing so may result in electric shock or sudden machine start. The valve can be damaged or leak. -
Page 55: Commissioning Method
Serial No.: H-A036-E-10 11. Commissioning method Serious injury can result. Prohibition ▶ For models with solenoid valves, do not leave the solenoid valve terminal cover removed. (If the terminal is touched, an electric shock will occur.) ▶ Do not supply air during manual Actuation. [Procedure] Fully open 1) Supplies air to the air supply port. -
Page 56: How To Adjust The Open/Close Speed
Serial No.: H-A036-E-10 <How to adjust the open/close speed> Preparations ▶ Wrench [Procedure] For models with speed controller Adjustment 1) Turn the adjustment knobs of both open and close speed controllers clockwise until they do not turn. ※Do not turn it too forcibly. Lock nut (risk of damage) 2) Supply air and turn the adjustment knob... -
Page 57: How To Adjust And Operate Stoppers
Serial No.: H-A036-E-10 12. How to adjust and operate stoppers Serious injury can result. Prohibition ▶ When operating the actuator with air, never touch the drive section. The valve can be damaged or leak. Forcing ▶ If the stopper is loose or internal leakage occurs when the valve is fully closed, the stopper may not be functioning. -
Page 58: How To Disassemble/Assemble Parts For Replacement
Serial No.: H-A036-E-10 13. How to disassemble/assemble parts for replacement Serious injury can result. Prohibition ▶ Do not disassemble the actuator. ▶ When operating the actuator with air, never touch the drive section. Serious injury can result. Forcing ▶ Be sure to perform safety inspections of the machine tool and power tool beforehand. ▶... - Page 59 Serial No.: H-A036-E-10 Preparations ▶ Spanner ▶ Protective gloves ▶ Protective glasses <Disassembly> [Procedure] 1) Completely drain the fluid in the piping. 2) Close the main valve of the air. If the valve is equipped with a solenoid valve, open the bypass valve to exhaust air from the actuator.
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Page 60: Inspection Item
Serial No.: H-A036-E-10 14. Inspection item The valve can be damaged, or leak. Forcing ▶ Maintenance should be performed every 3 to 6 months as a guide in order to keep the watch in normal condition and use it for a long time. Pay particular attention to temperature changes and aging during long-term storage or shutdown or use. -
Page 61: Daily Inspection
Serial No.: H-A036-E-10 Daily inspection Inspection items and Guideline of Check point Treatment method inspection judgment methods No leakage Pipe flange connection External ① Retighten the pipe bolts to the specified leakage torque. (visual ② Remove the valve from the pipe and re- inspection) tighten the pipe bolts. -
Page 62: Periodic Inspection
Serial No.: H-A036-E-10 Periodic inspection ●Guideline for the inspection cycle: 3 months Inspection items and Guideline of Check point Remedy for malfunctions inspection judgment methods Operating Error within ±1 Actuator opening Check the power supply voltage (±10%). time second display (Ref: Actuator nameplate) (Measurem Remove the valve from the pipe and... - Page 63 Serial No.: H-A036-E-10 Periodic inspection ●Guideline of the inspection cycle: 6 months Inspection items Guideline of and inspection Check point Remedy for malfunctions judgment methods Rotates Operability of Manual Actuation unit Remove the valve from the pipe and replace smoothly manual handle the valve or actuator.
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Page 64: Cause Of Malfunction And Remedy
Serial No.: H-A036-E-10 15. Cause of malfunction and remedy Failure phenomenon Possible cause Measures and measures Do not open or close by air The solenoid valve is turned off. Turn on the power. Actuation. Connection to the solenoid valve is Check the connection condition again. - Page 65 Serial No.: H-A036-E-10 CAUSE OF FAILURE AND HOW TO REMEDY (continued) Failure phenomenon Possible cause Measures and measures The Allen key does not The valve is already fully open (or Rotate the hex wrench in the reverse turn (does not turn) during fully closed).
- Page 66 Serial No.: H-A036-E-10 CAUSE OF FAILURE AND HOW TO REMEDY (continued) Failure phenomenon Possible cause Measures and measures Fluid leaks from valve O-ring scratched, worn, Stop using the product immediately, (external leak) melted, or altered remove the valve from the piping, replace the relevant part, or replace the valve.
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Page 67: Disposal Method Of Residual Materials And Waste Materials
Serial No.: H-A036-E-10 16. Disposal method of residual materials and waste materials When burnt, toxic gas is generated. Forcing ▶ When disposing of the product or parts, please dispose of them according to the guidelines of each local authority by a professional disposal company. [Userʼs Manual] Diaphragm Valve Type 72 Pneumatic Actuated Type AV 200, 250mm - 33 -... -
Page 68: Inquiries
Serial No.: H-A036-E-10 Inquiries Contact the nearest dealer, our sales office, or our web website for inquiries about this product. [Userʼs Manual] Diaphragm Valve Type 72 Pneumatic Actuated Type AV (200, 250mm) https://www.asahi-yukizai.co.jp/en Please note that the content of this manual is subject to change without notice. April 2024 [Userʼs Manual] Diaphragm Valve Type 72 Pneumatic Actuated Type AV 200, 250mm - 34 -... - Page 69 Serial No.: H-A036-E-10 [Userʼs Manual] Diaphragm Valve Type 72 Pneumatic Actuated Type AV 200, 250mm - 35 -...
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