AsahiAV 56 User Manual
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AsahiAV 56 User Manual

Butterfly valve
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Serial No.: H-V030-E-13
Butterfly valve Type 56/75
(Body material: PP , PVDF)
Butterfly valve Type 56D /75D
(Body material: PDCPD)
400〜600mm
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.
After reading this manual, please be sure to keep it in a place where the
user can see it at any time.
[User's Manual] Butterfly valve Type 56/56D/75/75D 400〜600mm)
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Summary of Contents for AsahiAV 56

  • Page 1 After reading this manual, please be sure to keep it in a place where the user can see it at any time. [User’s Manual] Butterfly valve Type 56/56D/75/75D 400〜600mm) - 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 [User’s Manual] Butterfly valve Type 56/56D/75/75D 400〜600mm) - 2 -...

  • Page 3: Table Of Contents

    Daily inspection ................................30 Periodic inspection ................................31 10. Cause of malfunction and remedy ·················································································· 32 11. Disposal method of residual materials and waste materials ······································· 33 Inquiries ···································································································································· 34 [User’s Manual] Butterfly valve Type 56/56D/75/75D 400〜600mm) - 3 -...

  • Page 4: Our Product Warranty Coverage

    ▶ Please observe the product specifications and precautions when using our products. We shall not assume any responsibility for any damage to the customer caused by the customer's negligence. However, this does not apply to damage caused by a defect in our product. [User’s Manual] Butterfly valve Type 56/56D/75/75D 400〜600mm) - 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. [User’s Manual] Butterfly valve Type 56/56D/75/75D 400〜600mm) - 5 -...

  • Page 6: Product Handling

    ▶ Perform maintenance on a regular basis referring to "00. Inspection items." Pay particular attention to temperature changes and aging during long-term storage or shutdown or use. [User’s Manual] Butterfly valve Type 56/56D/75/75D 400〜600mm) - 6 -...
  • Page 7 ▶ When used with a high temperature fluid, the misalignment of the valve and flange shaft may cause sheet damage. Exercise due caution when installing the valve. [User’s Manual] Butterfly valve Type 56/56D/75/75D 400〜600mm) - 7 -...

  • Page 8: Name Of Part

    Serial No.: H-V030-E-13 3. Name of part Type 56 [400mm] / Body material: PP, PVDF Side gear type Top gear type Body [25a] Handle Wheel (A) Disc [25b] Cap (B) Seat [26] Gasket (A) O-ring (A) [27] Gasket (B) O-ring (B)
  • Page 9 Screw (F) [7a] Key (A) [207] Handle (C) [7b] Snap ring [208] Handle grip Stem retainer (A) [209] Spring pin [25] Gear box [216] Scale Plate [25a] Handle Wheel (A) [User’s Manual] Butterfly valve Type 56/56D/75/75D 400〜600mm) - 9 -...
  • Page 10 Gasket (B) O-ring (B) [28] Bolt/nut (G) O-ring (C) [29] Bolt (D) Stem [30] Stand [7a] Key (A) [37] Joint Stem retainer [37a] Screw (C) [25] Gear box [157] Screw (F) [User’s Manual] Butterfly valve Type 56/56D/75/75D 400〜600mm) - 10 -...
  • Page 11 Screw (F) [7a] Key (A) [207] Handle (C) [7b] Snap ring [208] Handle grip Stem retainer (A) [209] Spring pin [25] Gear box [216] Scale Plate [25a] Handle Wheel (A) [User’s Manual] Butterfly valve Type 56/56D/75/75D 400〜600mm) - 11 -...
  • Page 12 Serial No.: H-V030-E-13 Type 56 [400mm] / Body material: PP , PVDF Type 56D [400mm] / Body material: PDCPD With handle lock (option) Detail of Handle Lock part [161] Locking plate (A) [162] Locking plate (B) [User’s Manual] Butterfly valve Type 56/56D/75/75D 400〜600mm)
  • Page 13 Serial No.: H-V030-E-13 Type 56 & 75 [400 to 600mm] / Body material: PP , PVDF Type 56D & 75D [400 to 600mm] / Body material: PDCPD Chain type (option) [62] Sprocket Wheel [63] Chain (A) [64] Chain cover [User’s Manual] Butterfly valve Type 56/56D/75/75D 400〜600mm)
  • Page 14 Serial No.: H-V030-E-13 Type 56 & 75 [400 to 600mm] / Body material: PP, PVDF Type 56D & 75D [400 to 600mm] / Body material: PDCPD Long stem type (option) [66] Bolt/nut (B) [75] Shaft [70] Gasket (C) [77] Bolt (H)
  • Page 15 Serial No.: H-V030-E-13 Type 56 [400mm] / Body material: PP, PVDF Type 56D [400mm] / Body material: PDCPD With limit switch box (option) [38] Bracket (A) [45] Limit switch box [User’s Manual] Butterfly valve Type 56/56D/75/75D 400〜600mm) - 15 -...

  • Page 16: Product Specifications

    Serial No.: H-V030-E-13 4. Product Specifications Product Model Code List [User’s Manual] Butterfly valve Type 56/56D/75/75D 400〜600mm) - 16 -...

  • Page 17: Relationship Between Maximum Allowable Pressure And Temperature

    Serial No.: H-V030-E-13 Relationship between maximum allowable pressure and temperature [User’s Manual] Butterfly valve Type 56/56D/75/75D 400〜600mm) - 17 -...

  • Page 18: Limit Switch Box Specifications (Option)

    Model method grade voltage (V) load (A) load (A) 125AC 250AC Side gear 400mm TA-200-SB2 IP55 type 125DC 250DC 0.25 0.04 Internal circuit diagram (fully open) SW1 (Open) SW2 (Close) [User’s Manual] Butterfly valve Type 56/56D/75/75D 400〜600mm) - 18 -...

  • Page 19: Piping Method

    (Refer to Fig. 2.) Fig 2 Connecting flange Or pipe Fig 1 Not possible Seat Disk Disk Good Body [User’s Manual] Butterfly valve Type 56/56D/75/75D 400〜600mm) - 19 -...
  • Page 20 (If the valve is forcibly inserted without sufficiently expanding the space between the flanges, the seat may be flipped off and scratches may occur.) [User’s Manual] Butterfly valve Type 56/56D/75/75D 400〜600mm) - 20 -...
  • Page 21 Damage or leakage may occur. Prohibition ▶ Do not tighten more than the specified torque. (risk of leakage or damage) Flange tightening torque Unit; N-m Size (mm) Torque value 80.0 100.0 [User’s Manual] Butterfly valve Type 56/56D/75/75D 400〜600mm) - 21 -...
  • Page 22 5K is used. Note 2. The quantity of nuts and washers is the quantity of two sets (one bolt/two nuts and two washers) for bolt A. Bolt A Bolt B [User’s Manual] Butterfly valve Type 56/56D/75/75D 400〜600mm) - 22 -...

  • Page 23: Limit Switch Box Connection Method (Option)

    Phillips screwdriver. 9) Insert the pointer so that the direction of the seal arrow on the Limit switch camshaft head matches the direction of the pointer. Protective cap [User’s Manual] Butterfly valve Type 56/56D/75/75D 400〜600mm) - 23 -...

  • Page 24: Operation Method

    ○Side Gear (AB1250N) [Size: 450‐600mm (Butterfly Valve 75, 75D Type)] Fully closed state Fully open state ○Top-gear (RVA-03-UG, RVA-04-UG) [Size: 400-600mm (butterfly valve 56, 56D, 75, 75D type)] Fully closed state Fully open state [User’s Manual] Butterfly valve Type 56/56D/75/75D 400〜600mm)
  • Page 25 ※ The above values are for reference only. (It is a measured value in the standard condition, and it varies depending on various conditions) ※ The handle operating force (N) of the gear type is the value when the handle is operated with both hands. [User’s Manual] Butterfly valve Type 56/56D/75/75D 400〜600mm) - 25 -...

  • Page 26: How To Disassemble/Assemble Parts For Replacement

    1) Use a tool to push out the spring pin [209] connecting the Pipe handle (C) [207] and the gear box [25]. 2) Pull out handle (C) [207] from gearbox [25]. [User’s Manual] Butterfly valve Type 56/56D/75/75D 400〜600mm) - 26 -...
  • Page 27 [25] on the handle (C) [207], and install while aligning the spring pin hole position. Stem hole 2) Use a hammer to push in the spring pin [209]. Stem hole Stem hole [User’s Manual] Butterfly valve Type 56/56D/75/75D 400〜600mm) - 27 -...

  • Page 28: How To Adjust The Stopper

    Replace the cap on the gear box. Open side Side Gear Type (Size: 450〜600mm) Install the nut. Closed side For top-gear type (Size: 400〜600mm) Fix the lock nut. Butterfly valve 56, 56D, 75, 75D top-gear type Nominal diameter: 400-600mm Lock nut Stopper Closed side Open side [User’s Manual] Butterfly valve Type 56/56D/75/75D 400〜600mm)

  • Page 29: 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 "12. Troubleshooting." [User’s Manual] Butterfly valve Type 56/56D/75/75D 400〜600mm) - 29 -...

  • Page 30: Daily Inspection

    Reconfirm the conditions of use valve (Ref: 2. Safety Instructions) No odor Unusual Valve Remove the valve from the pipe and replace the valve. odor (Ref: 7. How to disassemble/assemble parts for (sniffing) replacement [User’s Manual] Butterfly valve Type 56/56D/75/75D 400〜600mm) - 30 -...

  • Page 31: Periodic Inspection

    No scratches, Product damage Appearance of the Remove the valve from the pipe and replace cracks, or product the valve. deformation (Ref: 7. How to disassemble/assemble parts for replacement) [User’s Manual] Butterfly valve Type 56/56D/75/75D 400〜600mm) - 31 -...

  • Page 32: Cause Of Malfunction And Remedy

    (Ref: 7. How to disassemble/assemble parts for replacement) Stem corroded or damaged Remove the valve from the piping, replace the relevant part, or replace the valve. (Ref: 7. How to disassemble/assemble parts for replacement) [User’s Manual] Butterfly valve Type 56/56D/75/75D 400〜600mm) - 32 -...

  • 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. [User’s Manual] Butterfly valve Type 56/56D/75/75D 400〜600mm) - 33 -...

  • Page 34: Inquiries

    Inquiries Contact the nearest dealer, our sales office, or our web website for inquiries about this product. [Usersʼ Manual] Butterfly valve Type 56 / 75 [Body material: PP , PVDF] Butterfly valve Type 56D / 75D [Body material: PDCPD) 400〜600mm https://www.asahi-yukizai.co.jp/en...

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7556d75d

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