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ASAHI 57P Installation, Operation And Maintenance Manual

Butterfly valve type
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Butterfly Valve Type 57P
Lever Type: 50-200 mm (2"-8")
Body Material: CPVC
Gear Type: 50-200mm (2"-8")
Body Material: CPVC
User's Manual
Butterfly Valve Type 57P 50-200mm (2"-8")
Installation Operation and Maintenance Manual
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) Names of parts
(5) Working pressure vs. temperature
(7) Installation procedure
(9) Operating procedure
(10) Disassembly and assembly procedure
for parts replacement
(11) Installation procedure for handle
(12) Adjustment procedure for
adjuster on gear type
(13) Inspection items
(14) Troubleshooting
(15) Handling of residual and waste materials
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Summary of Contents for ASAHI 57P

  • Page 1 (9) Operating procedure (10) Disassembly and assembly procedure for parts replacement (11) Installation procedure for handle (12) Adjustment procedure for adjuster on gear type (13) Inspection items (14) Troubleshooting (15) Handling of residual and waste materials Butterfly Valve Type 57P 50-200mm (2”-8”)

  • Page 2: 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/America 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: General Operating Instructions

    - 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 out of direct sunlight, water and dust. Use cover to shield the valve.

  • Page 4: General Instructions For Transportation Unpacking And Storage

    (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. Butterfly Valve Type 57P 50-200mm (2”-8”)

  • Page 5: Names Of Parts

    Installation Operation and Maintenance Manual (4) Names of parts Type 57P (Lever / Gear Type): 50-200mm (2”-8”) Body Material: CPVC Description Description Description Body [18] [157] Screw (F) Disc [19] Spring [158] Gasket (L) Seat [21] Bolt (A) [182] O-Ring (H)
  • Page 6 Installation Operation and Maintenance Manual Type 57P (Gear Type): 50-200mm (2”-8”) with Handle Lock (Option) Description [161] Lock Plate (A) [162] Lock Plate (B) Butterfly Valve Type 57P 50-200mm (2”-8”)

  • Page 7: Working Pressure Vs. Temperature

    Installation Operation and Maintenance Manual (5) Working pressure vs. temperature Butterfly Valve Type 57P 50-200mm (2”-8”)

  • Page 8: Installation Procedure

    - Care must be used during piping installation to ensure that the pipes or flanges are properly aligned so that the valve disc does not contact them in any setting. Misalignment as in figure below will result in damage to the valve. INTERFERENCE OF THE DISK Butterfly Valve Type 57P 50-200mm (2”-8”)

  • Page 9: Butterfly Valve Type 57P 50-200Mm (2

    - When you insert a valve between flanges, please insert after extending the fields of flanges fully. (If you insert a valve by force without fully extending fields of flanges, a liner may be turned over, pinched, and suffer a crack.) Butterfly Valve Type 57P 50-200mm (2”-8”)
  • Page 10 80, 100 mm (3”,4”) Torque value 22.5 {230} [200] 30.0 {306} [266] Nom. Size 150 mm (6”) 200mm (8”) Torque value 40.0 {408} [355] 55.0 {561} [488] Caution : Avoid excessive tightening. (The valve can be damaged.) Butterfly Valve Type 57P 50-200mm (2”-8”)
  • Page 11 Nom. Size Bolt (Minimum) Washer inch 2” 125mm (4.92”) 35mm 5/8” Flat 3” 5/8”-11 130mm (5.12”) 5/8”-11 (1.38”) (0.63”) 4” 145mm (5.71”) 6” 175mm (6.89”) 40mm 3/4" Flat 3/4"-10 3/4"-10 8” 190mm (7.48”) (1.57”) (0.79”) Butterfly Valve Type 57P 50-200mm (2”-8”)

  • Page 12: Operating Procedure

    ・ For the full-shut (close) position, the indication shows Shut (S). ・ For the full-opened position, the indication shows Open (O). Full-Shut (Close) Position Full-Open Position Fig.9-2 The adjustments for full-opened and full-shut position are step-less, and it can be done with the adjuster. Butterfly Valve Type 57P 50-200mm (2”-8”)
  • Page 13 Note : Data mentioned in the table above is reference only. These data are measured in standard condition and it slightly differs depending on conditions. Required Operating Force is the data by turning handle with both hands. Butterfly Valve Type 57P 50-200mm (2”-8”)

  • Page 14: Disassembly And Assembly Procedure For Parts Replacement

    8) Insert the screw driver (-) between body [1] and seat [3]. Disc [2] and seat [3] are extruded by using screw driver (-). 9) Remove the disc [2], seat bush (A) [183] and seat bush (B) [184] from the seat [3]. 10) Remove the O-ring (C) [6] from the stem [7]. Butterfly Valve Type 57P 50-200mm (2”-8”)
  • Page 15 8) To install lever or gear operator reverse disassembly procedure #5). * Make certain line scribed on top of stem [7] indicates disc [2] position while installing stem [7]. 9) After assembly, make sure that the valve can be fully opened and closed smoothly. Butterfly Valve Type 57P 50-200mm (2”-8”)

  • Page 16: Installation Procedure For Handle

    To remove the cap, push up the side of the cap by using screw driver (-). Loose the bolts and washer by using socket wrench, then remove the handle. - Do not give any unjust force to cap, in installing or removing the cap. (It can be damaged) Butterfly Valve Type 57P 50-200mm (2”-8”)

  • Page 17: Adjustment Procedure For Adjuster On Gear Type

    Check for flaw, crack, or deformation on the valve. Check for leaks to the outside. Check for the deformation of seat due to improper installation of valve. Check for the smoothness of handle operation.. Butterfly Valve Type 57P 50-200mm (2”-8”)

  • Page 18: Troubleshooting

    (15) 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.) Butterfly Valve Type 57P 50-200mm (2”-8”)
  • Page 19 Installation Operation and Maintenance Manual Butterfly Valve Type 57P: 50-200mm (2”-8”) Asahi/America Inc. Information in this manual is subject to change without notice. Butterfly Valve Type 57P 50-200mm (2”-8”)

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