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Serial No.: H-V038-E-09
Rotary damper
Type 57: 40〜350mm
Type 56: 400mm
Type 75: 450〜600mm
Userʼs Manual
Thank you for choosing our product.
This instruction 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] Rotary damper Type 57, Type 56, Type 75,
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Table of Contents
Related Manuals for AsahiAV 57
Summary of Contents for AsahiAV 57
- 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] Rotary damper Type 57, Type 56, Type 75, - 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] Rotary damper Type 57, Type 56, Type 75, - 2 -...
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Page 3: Table Of Contents
Daily inspection ................................31 Periodic inspection ................................32 10. Cause of malfunction and remedy ·················································································· 33 11. Disposal method of residual materials and waste materials ······································· 34 Inquiries ···································································································································· 35 [User’s Manual] Rotary damper Type 57, Type 56, Type 75, - 3 -... -
Page 4: Our Product Warranty Coverage
However, this does not apply to damage caused by a defect in our product. [User’s Manual] Rotary damper Type 57, Type 56, Type 75, - 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] Rotary damper Type 57, Type 56, Type 75, - 5 -... -
Page 6: Product Handling
▶ Perform periodic maintenance by referring to "9. Inspection items". Pay particular attention to temperature changes or aging during long-term storage, resting or use. [User’s Manual] Rotary damper Type 57, Type 56, Type 75, - 6 -... -
Page 7: Name Of Each Part
[17] Handle lever [24] Cap (A) [158] Gasket (L) *1) Used for 40 to 200mm *2) Used for 300mm and 350mm *3) Used for 250 to 350mm [User’s Manual] Rotary damper Type 57, Type 56, Type 75, - 7 -... - Page 8 Bolt (G) O-Ring (C) [19] Spring [29] Bolt (D) Stem [20] Washer (A) [131] Stem Holder (C) Bolt (A) [21] Bolt (B) [16] Handle (A) [22] Locking plate [User’s Manual] Rotary damper Type 57, Type 56, Type 75, - 8 -...
- Page 9 [18] [24] Cap (A) O-Ring (C) [19] Spring [28] Bolt (G) Stem [20] Washer (A) [29] Bolt (D) Bolt (A) [21] Bolt (B) [131] Stem Holder (C) [User’s Manual] Rotary damper Type 57, Type 56, Type 75, - 9 -...
- Page 10 [28] Bolt (C) [12] V packing [19] Spring [131] Stem Holder (C) [13] Spacer (A) [20] Washer (A) *1) Used for 40〜200mm *2) Used for 300, 350mm [User’s Manual] Rotary damper Type 57, Type 56, Type 75, - 10 -...
- Page 11 Bolt (C) [12] V packing [19] Spring [29] Bolt (D) [13] Spacer (A) [20] Washer (A) [30] Stand [14] Ground [21] Bolt (B) [131] Stem Holder (C) [User’s Manual] Rotary damper Type 57, Type 56, Type 75, - 11 -...
- Page 12 [29] Bolt (D) [10] Bush (A) [20] Washer (A) [30] Stand [12] V packing [21] Bolt (B) [131] Stem Holder (C) [13] Spacer (A) [22] Locking plate [User’s Manual] Rotary damper Type 57, Type 56, Type 75, - 12 -...
- Page 13 Inserted Metal of Body Disk O-Ring (C) Stem [7a] Key (A) [25] Gearbox [28] Bolt (C) [30] Stand [207] Handle (C) [208] Handle grip [209] Spring pin [216] Scale Plate [User’s Manual] Rotary damper Type 57, Type 56, Type 75, - 13 -...
- Page 14 [12] V packing [13] Spacer (A) [14] Ground [25] Gearbox [28] Bolt (C) [30] Stand [207] Handle (C) [208] Handle grip [209] Spring pin [216] Scale Plate [User’s Manual] Rotary damper Type 57, Type 56, Type 75, - 14 -...
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Page 15: Product Specifications
D DIN 080 80mm A ANSI 100 100mm 125 125mm 150 150mm 200 200mm 250 250mm 300 300mm 350 350mm 400 400mm 450 450mm 500 500mm 600 600mm [User’s Manual] Rotary damper Type 57, Type 56, Type 75, - 15 -... -
Page 16: Relationship Between Maximum Allowable Pressure And Temperature
Relationship between maximum allowable pressure and temperature Rotary damper Type 57 40〜200mm 0.05 temperature（℃） Rotary damper Type 57 250〜350mm Rotary damper Type 56 400mm Rotary damper Type 75 450~600mm 0.05 temperature（℃） [User’s Manual] Rotary damper Type 57, Type 56, Type 75, - 16 -... -
Page 17: Limit Switch Specifications
TA2-SB2 / TA-200-SB2 ※The figure shows the end of the closing operation. ※The figure shows the end of the closing operation. Closed side Closed side Open side Open side [User’s Manual] Rotary damper Type 57, Type 56, Type 75, - 17 -... -
Page 18: Piping
(The piping may be damaged due to stress applied to it.) （ Axial misalignment） （ Parallelism） Shaft Parallelism (a- SIZE (mm) misalignment 40〜80 1.0 mm 0.8 mm 100〜150 1.0 mm 1.0 mm 200〜600 1.5 mm 1.0 mm [User’s Manual] Rotary damper Type 57, Type 56, Type 75, - 18 -... - Page 19 Note 2. The quantity of nuts and washers is the quantity of two sets (one bolt/two nuts and two washers) for bolt A, and one set (one bolt/one nut and one washer) for bolt B. ▼ water [User’s Manual] Rotary damper Type 57, Type 56, Type 75, - 19 -...
- Page 20 {561} {612} {816} {1020} ※Up to 40〜350mm, the specified torquevalue when AV packing is used, but there is no AV packing above 400mm.These values are for reference. [User’s Manual] Rotary damper Type 57, Type 56, Type 75, - 20 -...
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Page 21: Limit Switch Wiring Method
The valve can be damaged, or leak. Forcing ▶ Contact CKD when using the limit switch in a 1mA〜100mA, DC5〜30V. ▶ Securely attach the cover. (Rainwater may enter and cause malfunction.) [User’s Manual] Rotary damper Type 57, Type 56, Type 75, - 21 -... - Page 22 Phillips screwdriver. 9) Insert the pointer so that the direction of the seal arrow on the camshaft head matches the direction of the pointer. [User’s Manual] Rotary damper Type 57, Type 56, Type 75, - 22 -...
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Page 23: Operation Method
The fully closed position has a tightening allowance of approx. 5° in angle. If it is within the closed side graduation of the locking plate, apply fluid. Can be sealed. (See Fig. 8-1.) Fully open state Fully closed state Piping direction Piping direction [User’s Manual] Rotary damper Type 57, Type 56, Type 75, - 23 -... - Page 24 ・When the valve is fully open, the position of "O" (OPEN) will be oriented. Fully closed state Fully open state Nominal size 450mm‐600mm Fully closed state Fully open state [User’s Manual] Rotary damper Type 57, Type 56, Type 75, - 24 -...
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Page 25: How To Disassemble/Assemble Parts For Replacement
▶ When installing the product, make sure that no excessive stress such as tension, compression, bending or impact is applied to the piping or valve. ▶ Completely drain the fluid in the piping when replacing the valve or replacing parts. [User’s Manual] Rotary damper Type 57, Type 56, Type 75, - 25 -... - Page 26 [7]. <Assembly> 1) Apply silicone grease to the O-rings (C) [6] before assembly. 2) To assemble parts, reverse the disassembly procedure. [User’s Manual] Rotary damper Type 57, Type 56, Type 75, - 26 -...
- Page 27 [7], and turn the handle of the jack to remove the stem [7]. <Assembly> 1) Lubricate the sliding parts beforehand with silicone grease before assembly. 2) To assemble parts, reverse the disassembly procedure. [User’s Manual] Rotary damper Type 57, Type 56, Type 75, - 27 -...
- Page 28 1) Use a tool to push out the spring pin that connects the handle (C) [207] and the gearbox [25]. 2) Pull out handle (C) [207] from gearbox [25]. [User’s Manual] Rotary damper Type 57, Type 56, Type 75, - 28 -...
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Page 29: How To Adjust The Stopper For The Gear Type
Tighten with a hex wrench. Open Closed side side 5) Attach the fully closed side cap of the gearbox by hand. (For the Nominal size 450mm〜600mm, attach the nut.) [User’s Manual] Rotary damper Type 57, Type 56, Type 75, - 29 -... -
Page 30: 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 "10. Troubleshooting." [User’s Manual] Rotary damper Type 57, Type 56, Type 75, - 30 -... -
Page 31: Daily Inspection
(Ref: 2. Safety Precautions [Handling the Product]) No odor Odor Valve Remove the valve from the pipe and replace the (sniffing) valve. (Ref: disassemble parts replacement) [User’s Manual] Rotary damper Type 57, Type 56, Type 75, - 31 -... -
Page 32: Periodic Inspection
Product damage Appearance of the Remove the valve from the pipe and replace the scratches, product valve. cracks, or (Ref: 7. How to disassemble for parts replacement) deformation [User’s Manual] Rotary damper Type 57, Type 56, Type 75, - 32 -... -
Page 33: Cause Of Malfunction And Remedy
Stem corroded or damaged Remove the valve from the piping, replace the relevant part, or replace the valve. (Ref: 7. How to disassemble for parts replacement) [User’s Manual] Rotary damper Type 57, Type 56, Type 75, - 33 -... -
Page 34: 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] Rotary damper Type 57, Type 56, Type 75, - 34 -... -
Page 35: Inquiries
Rotary damper (for manual use) Type 57: 40〜350mm Type 56: 400mm Type 75: 450〜600mm https://www.asahi-yukizai.co.jp/en Please note that the content of this manual is subject to change without notice. March 2024 [User’s Manual] Rotary damper Type 57, Type 56, Type 75, - 35 -...
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