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ASAHI AV VALVES
Ball Check And Ball Foot Valves
User's Manual
Ball Check And Ball Foot Valves
Installation, Operation and Maintenance Manual
Serial No.
Contents
(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) Installation procedure
(7)
Disassembling method for replacing parts
(8) Inspection items
(9) Troubleshooting
(10) Handling of residual and
waste materials
ASAHI AV VALVES
H-V014-E-10
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Summary of Contents for ASAHI AV Series
- Page 1 ASAHI AV VALVES Installation, Operation and Maintenance Manual Serial No. H-V014-E-10 Ball Check And Ball Foot Valves Contents (1) Be sure to read the following warranty clauses of our product (2) General operating instructions (3) General instructions for transportation, unpacking and storage User’s Manual...
- Page 2 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.
- Page 3 - Allow sufficient space for maintenance and inspection. - Select a valve material that is compatible with the media. For chemical resistance information, refer to “CHEMICAL RESISTANCE ON ASAHI AV VALVE”. (Some chemicals may damage incompatible valve materials.) - Keep the valve away from places of direct sunlight, water and dust. Use cover to shield the valve.
- Page 4 ASAHI AV VALVES Installation, Operation and Maintenance Manual (3) General instructions for transportation, unpacking and storage - 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 5 ASAHI AV VALVES Installation, Operation and Maintenance Manual (4) Name of parts <BALL CHECK VALVE> Material; U-PVC / EPDM (Socket end) DESCRIPTION Body Ball End connector (Socket end) Union nut Stop ring (A) Seat <BALL FOOT VALVE> Material; U-PVC / EPDM (Socket end)
- Page 6 ASAHI AV VALVES Installation, Operation and Maintenance Manual <TRUE UNION BALL CHECK VALVE> DESCRIPTION Body Ball End connector (Flanged end type) [3c] End connector (Socket end type) [3d] End connector (Threaded end type) [3e] End connector (Spigot end type) Union nut...
- Page 7 ASAHI AV VALVES Installation, Operation and Maintenance Manual (5) Working pressure vs. temperature Nominal size; 15mm-50mm (1/2”-2”) Nominal size; 80mm, 100mm (3”, 4”) The measurement of the minimum pressure for opening & closing the valve Test Items Vertical Piping Horizontal Piping Nominal Size Min.
- Page 8 ASAHI AV VALVES Installation, Operation and Maintenance Manual (6) Installation procedure - Take care not to over-tighten the Union Nut. (The valve can be damaged.) - Do not use the pipe wrench. (The valve can be damaged.) Caution - The valve is applicable to both types: vertical and horizontal piping. In the case of vertical piping, use the valve in applications where the fluid travels upwards.
- Page 9 ASAHI AV VALVES Installation, Operation and Maintenance Manual - Tighten the bolts and nuts gradually with a torque wrench to the specified Fig. 1 torque level in a diagonal manner. Caution Recommended torque value Unit： N･m｛kgf･cm｝[lb･inch] 15-20mm 25-40mm 50 mm 80, 100 mm Nom.
- Page 10 (of the Low-Voltage Type) or something similar to ventilate the space, thus removing the solvent vapors. - Use the appropriate Asahi AV cement. - Conduct a water test at least 24 hours after joining the pipes with an adhesive/cement.
- Page 11 ASAHI AV VALVES Installation, Operation and Maintenance Manual 7) Wipe away overflowing adhesive. 8) Make sure that O-ring(A) [10]is mounted 9) Set the end connector [3] and union nut [4] directly on the body without allowing the O-ring (A) [8] to come off.
- Page 12 - Before a water test, be sure that the Union Nut is tightly fastened. - Fasten the Union Nut while avoiding the parallelism and axial misalignment of the flange surface. - When connecting an ASAHI AV Valve to metal piping, take care not to let the pipe stress on the ASAHI AV Valve.
- Page 13 ASAHI AV VALVES Installation, Operation and Maintenance Manual (8) Inspection items - Perform periodic maintenance. (Leakage may develop due to temperature changes or over periods of prolonged storage, rest or operation.) Caution ○Inspect the follow items; Check for any flaw, cracks, or deformation on the outside.
- Page 14 ASAHI AV VALVES Installation, Operation and Maintenance Manual Ball Check & Ball Foot Valve ASAHI AV VALVES Distributor Asahi Organic Chemicals Industry’s homepage http://www.asahi-yukizai.co.jp/en/ 2011.11 Information in this manual is subject to change without notice. Ball Check And Ball Foot Valves...
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