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AsahiAV 15 User Manual

Pneumatic actuated av type diaphragm valve
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Diaphragm Valve Type 15
Pneumatic Actuated Type AV
User's Manual
Diaphragm Valve Type 15 Pneumatic Actuated Type AV
Installation, Operation and Maintenance Manual
Serial No.
(1) Be sure to read the following warranty
clauses of our product
(2) General operating instructions
(3) General instructions for transportation,
unpacking and storage
(4) Name of parts
(5) Working pressure vs. temperature
(6) Specifications of actuator
(7) Specifications of option
Specifications of solenoid valve
Specifications of limit switch
Specifications of pressure reducing valve with filter
Specifications of speed controller
(8) Installation procedure
(9) Air piping procedure
(10) Support setting procedure
(11) Connection of limit switch procedure
(12) Connection of solenoid valve procedure
(13) Operating procedure
Adjustment of opening / closing speed procedure
(14) Adjustment procedure for stopeer
(15) Disassembling method for replacing parts
(16) Inspection items
(17) Troubleshooting
(18) Handling of residual and waste materials
H-A017-E-7
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Summary of Contents for AsahiAV 15

  • Page 1 (13) Operating procedure Adjustment of opening / closing speed procedure (14) Adjustment procedure for stopeer (15) Disassembling method for replacing parts (16) Inspection items (17) Troubleshooting (18) Handling of residual and waste materials Diaphragm Valve Type 15 Pneumatic Actuated Type AV...
  • Page 2 (5) Using any part of our product for anything other than the intended use of the product. (6) Any abnormality that occurs due to a natural disaster, accident, or other incident not stemming from something inside our product. Diaphragm Valve Type 15 Pneumatic Actuated Type AV...
  • Page 3 - The AV valves must be used within the specifications specifically applicable to the product. - The actuator of diaphragm valve have draw and exhaust Warning vent. (The back side) The fluid might spout when the diaphragm is damaged by the condition. Perform periodic maintenance. Diaphragm Valve Type 15 Pneumatic Actuated Type AV...
  • Page 4 (Corrugated cardboard packages become weaker as they become wet with water or other liquid. Take care in storage and handling.) - After unpacking the products, check that they are defect-free and meet the specifications. Diaphragm Valve Type 15 Pneumatic Actuated Type AV...
  • Page 5 [51] Actuator (air to open) [3a] Insert metal of diaphragm [24] Bolt-nut [52] Actuator (air to shut) Washer [56] Stand (A) Cushion [24a] Cushion cover Spring washer [29] [18] (Use with the PVDF body) Stopper Diaphragm Valve Type 15 Pneumatic Actuated Type AV...
  • Page 6 Installation, Operation and Maintenance Manual (5) Working pressure vs. temperature ○ Double acting ○ Single acting Diaphragm Valve Type 15 Pneumatic Actuated Type AV...
  • Page 7 DC : 5.5W attached (to be used as speed controller) 4N3S102K-W□-G31193 Specification sign AC100V 50/60Hz AC110V 50/60Hz AC200V 50/60Hz AC220V 50/60Hz DC24V *( )is special order. DC48V DC100V DC125V connection diagram JIS sign Diaphragm Valve Type 15 Pneumatic Actuated Type AV...
  • Page 8 Type sign Pipe bore 125,150mm All type SC7-08A Rc 1/4 (5”, 6”) Effective cross section area mm Needle No. of (inch Actuation revolution Free flow Control flow All type 11.0(0.017) 8.3(0.013) 8turns Diaphragm Valve Type 15 Pneumatic Actuated Type AV...
  • Page 9 - Tighten the bolts and nuts gradually with a torque wrench to the specified torque level in a diagonal manner. Caution Fig. 1 Recommended torque value Unit： N･m｛kgf･cm｝[lb･inch] 125mm 150mm Nom. Size (5”) (6”) 40.0 40.0 Torque value {408} {408} [355] [355] Diaphragm Valve Type 15 Pneumatic Actuated Type AV...
  • Page 10 (Air to open) (Air to shut) Air supply Air supply Air supply shut shut open Air supply open *Pictures above have no speed controller, but the piping procedure is the same as above. Diaphragm Valve Type 15 Pneumatic Actuated Type AV...
  • Page 11 (fig.1, 2) Screw the joint one turn with a spanner wrench. * Avoid excessive tightening. (The valve can be damaged.) Fig.2 Mount a steel pipe or a tube. Diaphragm Valve Type 15 Pneumatic Actuated Type AV...
  • Page 12 Spread the rubber sheet on the pipe and secure pipe with U-type clamp. Perpendicular installation Fix the valve stand and the support stand with bolts. Spread the rubber sheet under the actuator and support it with the stand. Diaphragm Valve Type 15 Pneumatic Actuated Type AV...
  • Page 13 * Tighten the screws. (If not, electric leaks or shocks may occur.) Tighten the above three screws with a screw driver (+) to install the cover on the limit switch. Tighten the cable by connector. Diaphragm Valve Type 15 Pneumatic Actuated Type AV...
  • Page 14 Insert the Faston terminal into the coil side. And fit the cover. Fig.1 Tighten the cover setting screws to fix it. [The cover can be set with the wire extraction opening turned upward or downward.(fig.1)] Tighten the cable by connector. Diaphragm Valve Type 15 Pneumatic Actuated Type AV...
  • Page 15 Push confirm the action mode shown in the following table. Turn off the solenoid valve. Push button Current Double action/Air to open Air to close Pushed Open Shut Not pushed Shut Open Diaphragm Valve Type 15 Pneumatic Actuated Type AV...
  • Page 16 6) When the adjustment is finished, while holding the knob with a finger, fix the adjustment knob by turning the locking nut right with a spanner wrench. * Avoid excessive tightening. (The locking nut can be damaged.) Diaphragm Valve Type 15 Pneumatic Actuated Type AV...
  • Page 17 * Avoid excessive tightening. (The locking nut can be damaged.) For Single action type with speed controller Diaphragm Valve Type 15 Pneumatic Actuated Type AV...
  • Page 18 If there is leakage, repeat steps 2) to 8) until leakage stops. 10) Install gauge cover [11]. * Valve option equipped with limit switch or positioner can adjust by same method. * Turn off the power of positioner. Diaphragm Valve Type 15 Pneumatic Actuated Type AV...
  • Page 19 Supply the air to the actuator[50], [51]and fully open the valve. Fig.3 Put the actuator[50], [51] on the body[1]. Set the Blot-nut [24] and tighten the body [1] and actuator[50],[51]. (As to the body tightening torque, refer to Table 1.) Diaphragm Valve Type 15 Pneumatic Actuated Type AV...
  • Page 20 Put the actuator[50], [51]on the body[1]. Set the Blot-nut [24] and tighten the body [1] and actuator[50],[51]. (As to the body tightening torque, refer to table 1 on page 17.) Diaphragm Valve Type 15 Pneumatic Actuated Type AV...
  • Page 21 Replace the diaphragm with a new The diaphragm is worn. one. (Refer to page 18) Replace scratched parts with new The diaphragm or the body is scratched. ones. (Refer to page 18) Diaphragm Valve Type 15 Pneumatic Actuated Type AV...
  • Page 22 (18) Handling of residual and waste materials - Make sure to consult a waste treatment dealer for recommendations on the proper disposal of plastic valves. (Poisonous gas is generated when the valve is burned improperly.) Warning Diaphragm Valve Type 15 Pneumatic Actuated Type AV...

  • Page 23: Diaphragm Valve Type 15

    Installation, Operation and Maintenance Manual Diaphragm Valve Type 15 Pneumatic Actuated Type AV [Automatic Valve] Distributor http://www.asahi-yukizai.co.jp/en/ Information in this manual is subject to change without notice. 2016.4 Diaphragm Valve Type 15 Pneumatic Actuated Type AV...

  • Page 24: Table Of Contents

    (12) Operating procedure Adjustment of opening / closing speed procedure (13) Adjustment procedure for stopper (14) Disassembling method for replacing parts (15) Inspection items (16) Troubleshooting (17) Handling of residual and waste materials Diaphragm Valve Type 72 Pneumatic Actuated Type AV 200, 250mm...

  • Page 25: Clauses Of Our Product

    Installation, Operation and Maintenance Manual This user’s guide contains information important to the proper installation, maintenance and safe use of an ASAHI AV Product. Please store this manual in an easily accessible location. <Warning & Caution Signs> This symbol reminds the user to take caution due to the potential for serious injury or death. Warning This symbol reminds the user to take caution due to the potential for damage to the valve if used in such a manner.

  • Page 26: General Operating Instructions

    Installation, Operation and Maintenance Manual (2) General operating instructions - Never attempt to disassemble an actuator. (If disassembled forcible, internal parts may jump out and this is very dangerous.) Warning - Using a positive-pressure gas with our plastic piping may pose a dangerous condition due to the repellent force particular to compressible fluids even when the gas is under similar pressures used for liquids.

  • Page 27: Unpacking And Storage

    Installation, Operation and Maintenance Manual (3) General instructions for transportation, unpacking and storage - When suspending and supporting a valve, take care and do not stand under a suspended valve. Warning - This valve is not designed to handle impacts of any kind. Avoid throwing or dropping the valve. - Avoid scratching the valve with any sharp object.

  • Page 28: Name Of Parts

    Installation, Operation and Maintenance Manual (4) Name of parts Nominal size 200, 250mm (8”, 10”) (In case of body material is PVDF) (Rubbers) (PTFE) (Spec. cushion cover) DESCRIPTION DESCRIPTION DESCRIPTION Body [18] Stopper Conical spring washer [29] Diaphragm [21] (Use with the PVDF body) Gauge cover [3a] Insert metal of diaphragm (A) [23]...

  • Page 29: Working Pressure Vs. Temperature

    Installation, Operation and Maintenance Manual (5) Working pressure vs. temperature ○ Double acting Diaphragm Valve Type 72 Pneumatic Actuated Type AV 200, 250mm...

  • Page 30: Specifications Of Actuator

    Installation, Operation and Maintenance Manual (6) Specifications of Actuator Nominal size 200mm (8”) 250mm (10”) Standard operating pressure Double action type 0.4 {4.1}[58] – 0.6 {6.1} [84] MPa {kgf/cm }[PSI] Air consumption N/ per 1 open and close Double action type 87.3 (at 0.4MPa) Air supply bore...

  • Page 31: Specifications Of Limit Switch

    Installation, Operation and Maintenance Manual (Specifications of Limit switch) Actuation Nominal size Type sign Protection grade 200, 250mm Double actuation 1LS1-J IP67 (IEC529) (8”, 10”) Limit switch rating connection diagram Inductive load (A) Rate voltage (V) resistive load (A) (At intermediate opening) AC125 AC250 DC115...

  • Page 32: Installation Procedure

    Installation, Operation and Maintenance Manual (8) Installation procedure - When suspending and supporting a valve, take care and do not stand under a suspended valve. Warning - Be sure to conduct a safety check on all hand and power tools to be used before beginning work. - Wear protective gloves and safety goggles as fluid remain in the valve even if the pipeline is empty.

  • Page 33: Air Piping Procedure

    Installation, Operation and Maintenance Manual - Tighten the bolts and nuts gradually with a torque wrench to the specified torque level in a diagonal manner. Fig. 1 Caution Recommended torque value Unit :N･m{kgf･cm｝[lb･inch] 200mm 250mm Nom. Size (8”) (10”) Torque value {561} {561} [488]...

  • Page 34: Support Setting Procedure

    Installation, Operation and Maintenance Manual (10) Support setting procedure - Set valve support on the valve. - When installing a pipe support by means of a U-band or something similar, take care not to fasten it too Caution much. (Excessive tension may damage it.) Necessary items ●...

  • Page 35: Connection Of Limit Switch Procedure

    Installation, Operation and Maintenance Manual (11) Connection of limit switch procedure - Shut down the power on the equipment before connecting wires. There are risks of electrical shock depending on the level of operating voltage. Warning - Be sure that the terminal cover and body cover are put on during the operation. Caution - If you use the limit switch at 1mA-100mA or 5-30V, consult near Asahi dealer.

  • Page 36: Closing Speed Procedure

    Installation, Operation and Maintenance Manual (12) Operating procedure - When AV valve is equipped with a solenoid valve, do not leave solenoid valve terminal cover off. (Contact with the terminal will cause an electric shock.) Caution - Check that the supply pressure of the pressure reducing valve with a filter is 0.4MPa{4.1kgf/cm2} or more. (AV valve may not function.) Procedure 1) Supply air to the air supply opening.

  • Page 37: Adjustment Procedure For Stopper

    Installation, Operation and Maintenance Manual <Adjustment of opening / closing speed procedure> Necessary items ●Spanner wrench Procedure 1) Turn right the adjustment knob of the solenoid valve With speed controller fully. Avoid excessive tightening. (The speed controller can be damaged.) 2) Supply the air, and turn left the adjustment knob little by little to adjust the opening / closing speed required.

  • Page 38: Disassembling Method For Replacing Parts

    Installation, Operation and Maintenance Manual 7) Turn stopper (lower side) [43] with spanner wrench 1/4 – 1/2 turns, counterclockwise. 8) Fix stopper (lower side) [43] with spanner wrench and use spanner wrench to tighten stopper (upper side) [21]. * Insufficient tightening may loosen the stopper. 9) Completely close valve by controlling the volume of air and check for leakage.

  • Page 39: Inspection Items

    30.0{306}[266] PTFE 30.0{306}[266] 30.0{306}[266] (15) Inspection items - Perform periodic maintenance. (Leakage may develop due to temperature changes or over periods of prolonged storage, rest or operation.) Caution ○ Periodically inspect and maintain the AV valve in accordance with the decided schedule.

  • Page 40: Troubleshooting

    Installation, Operation and Maintenance Manual (16) Troubleshooting Problem Cause Treatment The power source of the control panel is Turn on the power source. turned off. Check the connection again. The solenoid valve is disconnected. (Refer to page 6，11) Air is not supplied to the solenoid valve. Supply air to solenoid valve.
  • Page 41 Installation, Operation and Maintenance Manual Diaphragm Valve Type 72 Pneumatic Actuated Type AV [Automatic Valve] http://www.asahi-yukizai.co.jp/en/ Information in this manual is subject to change without notice. 2016.4 Diaphragm Valve Type 72 Pneumatic Actuated Type AV 200, 250mm...