Ball Check And Ball Foot Valves
Contents
1. 4 The measurement of the minimum pressure for opening amp closing the valve Test Items Vertical Piping Horizontal Piping Nominal Size Min Air Pressure to Min Air Pressure to Min Air Pressure to Min Air Pressure to mm inch open the valve shut the Disc perfectly open the valve shut the Disc perfectly 15 1 2 0 005 0 05 0 02 0 2 0 001 0 01 0 02 0 2 20 3 4 0 005 0 05 0 03 0 3 0 001 0 01 0 03 0 3 25 1 0 005 0 05 0 03 0 3 0 001 0 01 0 03 0 3 40 112 0 01 0 1 0 03 0 3 0 002 0 02 0 03 0 3 50 2 0 01 0 1 0 03 0 3 0 002 0 02 0 03 0 3 80 3 0 01 0 1 0 02 0 2 0 002 0 02 0 02 0 2 100 4 0 01 0 1 0 02 0 2 0 002 0 02 0 02 0 2 Data mentioned in the table above is reference only Ball Check And Ball Foot Valves ASAHI AV VALVES Installation Operation and Maintenance Manual 6 Installation procedure A S Take care not to over tighten the Union Nut The valve can be damaged Caution Do not use the pipe wrench The valve can be damaged 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 Install the piping while matching the arrow2. 4 Ball Check And Ball Foot Valves 2 ASAHI AV VALVES Installation Operation and Maintenance Manual 3 General instructions for transportation unpacking and storage A S This valve is not designed to handle impacts of any kind Avoid throwing or dropping the valve Caution Avoid scratching the valve with any sharp object Do not over stack cardboard shipping boxes Excessively stacked packages may collapse Avoid contact with any coal tar creosote insecticides vermicides or paint These chemicals may cause damage to the valve d Store products in their corrugated cardboard boxes Avoid exposing products to direct sunlight and store them indoors at room temperature Also avoid storing products in areas with excessive temperatures 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 se bm i h B a i i a ey Ball Check And Ball Foot Valves 3 ASAHI AV VALVES Installation Operation and Maintenance Manual 4 Name of parts lt BALL CHECK VALVE gt Material U PVC EPDM Socket end No DESCRIPTION 1 Body 2 Ball 3 End connector Socket end 4 Union nut 5 Stop ring A 9 Seat lt BALL FOOT VALVE gt Mat
3. Insufficient back pressure Check back pressure Fluid leaks from the valve even when the valve is closed Foreign matter is in the valve Clean the valve fully Replace the seat or ball with a new one The seat or ball is scratched or worn The seat is scratched or worn Replace seat with a new one Fluid leaks from the valve The union nut is loosened Tighten up the union nut 10 Handling of residual and waste materials A as Make sure to consult a waste treatment dealer for recommendations on the proper disposal of plastic Warming valves Poisonous gas is generated when the valve is bumed improperly NATA PESA PA FA PAAPA DAINA EA a APA PEISA IA HAA AIA Re AR maa ae PN EEA PA DA PROTEA DEA A EA AER A DA T A RAA A SA E SEA S AEA PAA PRSA SA PARA EA Ball Check And Ball Foot Valves 12 ASAHI AV VALVES Installation Operation and Maintenance Manual Ball Check amp Ball Foot Valve ASAHI AV VALVES Information in this manual is subject to change without notice 2011 11 Ball Check And Ball Foot Valves
4. 2 Loosen the union nut 4 with a strap wrench 3 Remove the union nut 4 and the end connector4d 4 Lead the union nut 4 through the pipe 5 Tighten the external thread of the joint and the end connector 3 hardly with hand 6 Using a spanner wrench screw in the end connector 3 by turning 180 0 360 o carefully without damaging it Ball Check And Ball Foot Valves 8 ASAHI AV VALVES Installation Operation and Maintenance Manual 7 Make sure that the O ring A 10 is mounted 8 Set the end connector 3 and union nut 4 directly on the body without allowing the O ring A to come off 9 Tighten the union nut 4 hardly with hand 10 Using a strap wrench tighten union nuts uniformly on each side approx 90 o 180 o turns 1 4 to 1 2 turns Socket type Material PVC C PVC A S When using an adhesive ventilate the space sufficiently prohibit the use of a fire in the vicinity Warning and do not inhale adhesive vapors directly If an adhesive gets into contact with your skin wash it off immediately If you feel sick or find any anomaly receive a physician s diagnosis and take appropriate measures promptly A S Take care in doing work at low temperatures Solvent vapors are hard to evaporate and are likely to Caution remain Solvent cracks may occur damaging the equipment After assembling the piping system open both ends of the piping and use a fan of the Low Voltage Type or something similar to ventila
5. check for leaks under water pressure If absolutely necessary to use a gas in testing please consult your nearest service station beforehand A S Do not step on or apply excessive weight on valve It can be damaged Caution Avoid using the valve in a line where the fluid flow is turbulent The ball may excessively bounce around resulting in damage Do not use the valve to fluid containing slurry The valve will not operate properly Do not use the valve in conditions where the fluid may have crystallized The valve will not operate properly Keep the valve away from excessive heat or fire It can be damaged or destroyed Always operate the valve within the pressure vs temperature range The valve can be damaged or deformed by operating beyond the allowable range 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 The valve will not operate properly Perform periodic maintenance Leakage may develop due to temperature changes or periods of prolonged storage rest or operation Use the valve at a pressure exceeding the minimum operating differential pressure Check the effective head
6. on the valve body with the flow direction of the fluid Horizontal Pipir rtical Piping A Use flat faced flanges for connection to AV Valves Ensure that the mating flanges are of the same standards Be sure to use sealing gaskets AV Gasket bolts nuts and washers and tighten them to specified torques When a non AV gasket is used a different tightening torque specification should be followed Necessary items Torque wrench Spanner wrench Bolt Nut Washer For many flanges specification AV gasket Strap wrench Procedure 1 Set the 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 d4 The parallelism and axial misalignment of the flange surface should be under the values shown in Caution 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 Axial Parallelism Axial misalignment Parallelism Nom Size Milene ab 15 25mm LO 05 7 1 0 04 0 02 40 50mm 1 0 0 8 l 1 1 2 2 0 04 0 03 80 100mm 1 0 1 0 3 4 0 04 0 04 3 Using a torque wrench tighten the bolts and nuts gradually to the specified torque in a diagonal
7. ASAHI AV VALVES Ball Check And Ball Foot Valves D 2 3 5 o 8 Ball Check And Ball Foot Valves Installation Operation and Maintenance Manual Serial No H V014 E 10 Contents Be sure to read the following warranty clauses of our product EEEIEE General operating instructions ENE AEI E PEE OE General instructions for transportation Name of parts PPPOE EEIE ENEE TE EA EA TA Working pressure VS temperature SOSA ain EN SRNO EE r REES Installation procedure ENPEINNAR ENTENEN ES Disassembling method for replacing parts AEREI Inspection items H Troubleshooting PPA E P EIA E AEA 10 Handling of residual and waste materials re ASAHI AVVALVES ASAHI AV VALVES 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 a a tah A A ah rk aN AAA Sg kd aaa ah Ag A gg E E e E eau aaa A en ars ache aA Ne cepa th lt Warning amp Caution Signs gt This symbol reminds the user to take caution due to the potential for serious injury or Waming death This symbol reminds the user to take caution due to the potential for damage to the valve Caution if used in such a manner lt Prohibited amp Mandatory Action Signs gt S Prohibited When operating the valve this symbol indicates an action that should not be taken
8. amp Mandatory action When operating the valve this symbol indicates mandatory actions that must be adhered to 1 Be sure to read the following warranty clauses of our product Always observe the specifications of and the precautions and instructions on using our product We always strive to improve product quality and reliability but cannot guarantee perfection Therefore should you intend to use this product with any equipment or machinery that may pose the risk of serious or even fatal injury or property damage ensure an appropriate safety design or take other measures with sufficient consideration given to possible problems We shall assume no responsibility for any inconvenience stemming from any action on your part without our written consent in the form of specifications or other documented approval The related technicaldocuments operation manuals and other documentation prescribe precautions on selecting constructing installing operating maintaining and servicing our products For details consult with our nearest distributor or agent Our product warranty extends for one and a half years after the product is shipped from our factory or one year after the product is installed whichever comes first Any product abnormality that occurs during the warranty period or which is reported to us will be investigated immediately to identify its cause Should our product be deemed defective we shall assume the responsibility to re
9. erial U PVC EPDM Socket end 1 5 j 9 4 No DESCRIPTION 1 Body 2 Ball 4 Union Nut 5 Stop Ring A 8 Screen 9 Seat Ball Check And Ball Foot Valves ASAHI AV VALVES Installation Operation and Maintenance Manual lt TRUE UNION BALL CHECK VALVE gt Ea No DESCRIPTION D 1 Body S D 2 Ball 3 End connector Flanged end type 3c End connector Socket end type 3d End connector Threaded end type 3e End connector Spigot end type 4 Union nut 5 Stop ring A 9 Seat 10 O ring A 11 Stop ring B lt TRUE UNION BALL FOOT VALVE gt yi N No DESCRIPTION 1 Body 2 Ball 3 End connector 3b End connector Flanged end type 3c End connector Socket end type 3d End connector Threaded end type 3e End connector Spigot end type 4 Union nut 5 Stop ring A 8 Screen 9 Seat 10 O ring A 11 Stop ring B Ball Check And Ball Foot Valves 5 ASAHI AV VALVES 5 Working pressure vs temperature Nominal size 15mm 50mm 1 2 2 Installation Operation and Maintenance Manual Nominal size 80mm 100mm 3 4
10. ing 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 Strap wrench Safety goggles Protective gloves lt Disassembly gt Procedure 1 Completely discharge fluid from pipes 2 Turn the handle to full shut 3 Loosen the union nut 4 ball 2 seat 9 and stop ring A 5 and removed 4 Check all parts and replace with a new one if worn lt Assembly gt Procedure 1 Attach seat 9 stop ring A 5 and ball 2 in order and tighten the union nut by hand A amp Check the seat and the stop ring A for their faces and backs and ensure they are installed properly they will not work properly if installed backwards They can not be sealed Caution 2 Using a strap wrench screw it in by turning 90 180 carefully without damaging it Ball Check And Ball Foot Valves 11 ASAHI AV VALVES Installation Operation and Maintenance Manual 8 Inspection items Caution of prolonged storage rest or operation A Perform periodic maintenance Leakage may develop due to temperature changes or over periods Check for any flaw cracks or deformation on the outside Check whether fluid leaks to the outside Check whether the cap nut has been loosened 9 Troubleshooting Problem Cause Treatment
11. manner Ball Check And Ball Foot Valves 7 ASAHI AV VALVES Installation Operation and Maintenance Manual A S Tighten the bolts and nuts gradually with a torque wrench to the specified Caution torque level in a diagonal manner i Recommended torque value Unit N m kgf cm Ib inch Nom Size 15 20mm 25 40mm 50 mm 80 100 mm i 1 2 3 4 1 1 1 2 2 3 4 aoe 175 179 1155 20 0 204 177 22 5 230 1230 30 0 306 1266 Rubber 8 0 82 71 20 0 204 177 22 5 230 230 30 0 306 266 Be sure to set the union nut 4 when it was removed or loosen from body 1 1 Attach seat 9 stop ring A 5 and ball 2 in order and tighten the union nut by hand 2 Using a strap wrench screw it in by turning 90 180 carefully without damaging it Threaded type Material PVC C PVC PPPVDF A S Avoid excessive tightening The valve can be damaged Caution Make sure that the threaded connections are plastic x plastic Metallic thread can cause damage Wrap the threaded joints on our plastic piping with sealing tape Using a liquid sealing agent or liquid gasket may cause stress cracks Environmental Stress Cracking Our product warranty shall not apply in case of said use even when said use is unavoidable Sealing tape Strap wrench Spanner wrench Procedure 1 Wind a sealing tape around the external thread of joint leaving the end about 3mm free
12. pair or replace it free of charge Any repair or replacement needed after the warranty period ends shall be charged to the customer The warranty does not cover the following cases 1 Using our product under any condition not covered by our defined scope of warranty 2 Failure to observe our defined precautions or instructions regarding the construction installation handling maintenance or servicing of our product 3 Any inconvenience caused by any product other than ours 4 Remodeling or otherwise modifying our product by anyone other than us 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 Ball Check And Ball Foot Valves Installation Operation and Maintenance Manual i oe Smt cm emer rr ft Bue ont Sc CG er me aCe i a e R ASAHI AV VALVES Installation Operation and Maintenance Manual 2 General Operating Instructions A a Using a positive pressure gas with our plastic piping may pose a dangerous condition due to the repellent Waming force particular to compressible fluids even when the gas is under similar pressures used for liquids Therefore be sure to take the necessary safety precautions such as covering the piping with protective material For inquiries please contact us For conducting a leak test on newly installed piping be sure to
13. s manual for sleeve welder or automatic welding machine Procedure D 2 3 4 5 6 7 8 Loosen the union nut with a strap wrench Remove the union nut 4 and the end connector Lead the union nut 4 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 10 is mounted Set the end connector 3 and the union nut 4 directly without allowing the O ring A 10 to come off Tighten the union nut 4 hardly with hand Using a strap wrench tighten union nuts uniformly on each side approx 90 o 180 o turns 1 4 to 1 2 turns Ball Check And Ball Foot Valves 10 ASAHI AV VALVES Installation Operation and Maintenance Manual 7 Disassembling Method for Replacing Parts A 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 You may be injured Do not change or replace valve parts under line pressure A S Take care not to over tighten the Union Nut The valve can be damaged Caution Do not use the pipe wrench The valve can be damaged Warning When installing disassembling or reassembling the piping fix the End Connector Before a water test be sure that the Union Nut is tightly fastened Fasten the Union Nut while avoid
14. te the space thus removing the solvent vapors amp Use the appropriate Asahi AV cement Conduct a water test at least 24 hours after joining the pipes with an adhesive cement Adhesive for hard vinyl chloride pipes Strap wrench l Procedure 1 Loosen the union nut 4 with a strap wrench 2 Remove the union nut 4 and end connector 3 3 Lead the union nut through the pipe 4 Clean the hub part of the end connector 3 by wiping the waste cloth 5 Apply adhesive evenly to the hub part of the end connector 3 and the pipe spigot Adhesive quantity guideline 15mm 20mm 25mm 40 50 80 100 qd G4 d12 2 e Quantity g 1 0 13 2 0 3 5 48 9 0 13 0 Nom Size 6 After applying adhesive insert the pipe quickly to the end connector 3 and leave it alone for at least 60 seconds Ball Check And Ball Foot Valves 9 ASAHI AV VALVES Installation Operation and Maintenance Manual 7 8 9 Wipe away overflowing adhesive Make sure that O ring A 10 is mounted Set the end connector 3 and union nut 4 directly on the body without allowing the O ring A 8 to come off 10 Tighten the union nut 4 hardly with hand 11 Using a strap wrench tighten union nuts uniformly on each side approx 90 o 180 o turns 1 4 to 1 2 turns Sockettype Material PP Necessary items Strap wrench Sleeve welder or automatic welding machine User
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