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ASAHI AV VALVES
Diaphragm Valves Type 14
True Union Diaphragm Valves Type14
User ' s Manual
Diaphragm Valves Type 14 True Union Diaphragm Valves Type14
Installation,Operation and Maintenance Manual
(1) General operating instructions
(2) General instructions for transportation,
unpacking and storage
(3) Name of parts
(4) Comparison between working
temperature and pressure
(5) Installation procedure
(6) Operating procedure
(7) Adjustment procedure for stopper
(8) Diaphragm replacement procedure
(9)
Mounting an inserted and a base (panel)
(10) Inspection items
(11) Troubleshooting
(12) Handling of residual and
waste materials
(13) Inquiries
ASAHI
Serial No.
H – V028 E – 8
Contents
AV VALVES
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1
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Summary of Contents for AsahiAV 14
- Page 1 (7) Adjustment procedure for stopper (8) Diaphragm replacement procedure Mounting an inserted and a base (panel) (10) Inspection items (11) Troubleshooting (12) Handling of residual and waste materials (13) Inquiries AV VALVES ASAHI Diaphragm Valves Type 14 True Union Diaphragm Valves Type14...
- Page 2 ○ Keep the valve away from coal tar, creosote (antiseptic for wood ), termite insecticide, vermicides, and paint. （The could cause swelling and damage the valve.） ○ Do not impact or drop the valve. (It can be damaged.) ○ Avoid scratching the valve with any sharp object. Diaphragm Valves Type 14 True Union Diaphragm Valves Type14...
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Page 3: Name Of Parts
End connector(Spigot end) ◯ ◯ ◯ ◯ Joint ◯ Thrust ring (B) Union nut Stem Bolt, Nut (A) ◯ O-ring (C) ◯ ◯ Sleeve Washer ◯ Handle wheel Conical spring washer ◯ ◯ Diaphragm Valves Type 14 True Union Diaphragm Valves Type14... - Page 4 Cushion Retaining ring-c type Compressor pin ◯ ◯ ◯ Compressor O-ring(A) Inserted nut ◯ ◯ ◯ Joint O-ring(B) Spring washer ◯ ◯ ◯ Stem Thrust ring(A) Valve sheet ◯ ◯ ◯ Diaphragm Valves Type 14 True Union Diaphragm Valves Type14...
- Page 5 Installation,Operation and Maintenance Manual (4) Comparison between operating temperature and pressure Flange True Union（Socket, Threaded, Spigot） Caution Do not operate valve beyond the range of working temperature and pressure. (The valve can be damaged.) Diaphragm Valves Type 14 True Union Diaphragm Valves Type14...
- Page 6 (1”-1 1/2”) (2”-2 1/2”) (3”, 4”) 17.5 20.0 22.5 30.0 Torque value {179} {204} {230} {306} [155] [177] [200] [266] Fig. 1 Caution Avoid excessive tightening. (The valve can be damaged.) Diaphragm Valves Type 14 True Union Diaphragm Valves Type14...
- Page 7 10) Using a strap wrench tighten union nuts uniformly on each side approx 90°- 180°turns, 1/4 to 1/2 turns. Caution Avoid excessive tightening. （The valve can be damaged.） Diaphragm Valves Type 14 True Union Diaphragm Valves Type14...
- Page 8 10) Using a strap wrench tighten union nuts uniformly on each side approx. 90°- 180°turns, 1/4 to 1/2 turns. 11) Using a strap wrench, screw it in by turning 90°- 180°carefully without damaging it. Caution Avoid excessive tightening. (The valve can be damaged.) Diaphragm Valves Type 14 True Union Diaphragm Valves Type14...
- Page 9 8) Using a strap wrench tighten union nuts uniformly on each side approx. 90°- 180°turns, 1/4 to 1/2 turns. Caution Avoid excessive tightening. (The valve can be damaged.) Diaphragm Valves Type 14 True Union Diaphragm Valves Type14...
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Page 10: Operating Procedure
（The use of assist device may damage the valve.） (7) Adjustment procedure for stopper Necessary items ● Spanner wrench ● Allen wrench ● Screw driver(-) ● Protective Gloves ● Goggles ＜15-50mm＞ ＜65-100mm＞ Diaphragm Valves Type 14 True Union Diaphragm Valves Type14... - Page 11 Slowly tighten the handwheel clock wise until the leak-by stops. Tightening torque of the screw Unit : N-m {kgf-cm} [lb-inch] 15-32mm 40, 50mm Nom. Size (1/2”-1 1/4”) (1 1/2”, 2”) 12.0 Torque value {81} {122} [71] [106] Diaphragm Valves Type 14 True Union Diaphragm Valves Type14...
- Page 12 ◯ with spanner wrench. 7) Tighten the gauge cover ◯ Tightening torque of the screw Unit : N-m {kgf-cm} [lb-inch] 65-100mm Nom. Size (2 1/2”-4”) Torque valve 15.0 {153} [133] Diaphragm Valves Type 14 True Union Diaphragm Valves Type14...
- Page 13 [44] [106] [133] [115] [160] 15.0 20.0 15.0 20.0 40.0 PTFE {51} {82} {153} {204} {153} {204} {408} [44] [71] [133] [177] [133] [177] [355] 8) Re-adjust the stopper if necessary. Diaphragm Valves Type 14 True Union Diaphragm Valves Type14...
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Page 14: Inspection Items
Check for any flaw, crack, or deformation on the outside. Check whether fluid leaks to the outside. Check whether the cap nut has been loosened. Check whether the handle can be operated smoothly. Diaphragm Valves Type 14 True Union Diaphragm Valves Type14... -
Page 15: Troubleshooting
The diaphragm has failed. Replace. (12) Handling of residual and waste materials Caution In discarding remaining or waste materials, be sure to ask a waste service company. （Poisonous gas is generated.） Diaphragm Valves Type 14 True Union Diaphragm Valves Type14... - Page 16 : Room 1301-P Shanghai Kerry Center, 1515 Nanjing Xi Road, Shanghai China Tel : (21) 5298-6900 Fax : (21) 5298-6556 ASAHI /AMERICA Inc. :35 Green Street P.O.Box 653 , Malden, Massachusetts 02148 U.S.A. Tel : (1) 781-321-5409 Fax : (1) 781-321-4421 Distributor Diaphragm Valves Type 14 True Union Diaphragm Valves Type14...
- Page 17 ASAHI AV VALVES Installation,Operation and Maintenance Manual Diaphragm Valve Type 14 True Union Diaphragm Valve Type 14 AV VALVES ASAHI Information in this manual is subject to change without notice. 2003. 5 Diaphragm Valves Type 14 True Union Diaphragm Valves Type14...
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