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Yongjia Goole Valve Co., Ltd.

China Check Valve, Dual Plate Check Valve, Swing Check Valve manufacturer / supplier in China, offering API594 Dual Plate/Double Plate Wafer Type Swing Check Valve (GAH76H), Level Type Steam Pressure Reducing Valve (GAY45Y), Threaded Steam Trap (GATD42) and so on.

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API594 Dual Plate/Double Plate Wafer Type Swing Check Valve (GAH76H)

FOB Price: US $1 / Piece
Min. Order: 1 Piece
Min. Order FOB Price
1 Piece US $1/ Piece
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Port: Shanghai, China
Production Capacity: 10000PCS/Year
Payment Terms: T/T

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Basic Info
  • Model NO.: GAH76H
  • Connection Form: Wafer
  • Pressure: Ordinary Pressure
  • Sealing Form: Metal Seal
  • Standard: ANSI
  • Size: Nps 2"~40"
  • Trademark: GOOLE, OEM
  • Specification: ISO 9001
  • HS Code: 8481804090
  • Material: Wcb, Lcb, CF8, CF8m, CF3m, Wc6, C5, C12
  • Structure: Swing
  • Function: Stop Flow Back
  • Flow Direction: Bidirectional
  • Application: Industrial Usage
  • Pressure Rating: Class 150~1500
  • Transport Package: Plywood Case
  • Origin: China(Mainland)
Product Description

Dual Plate Wafer Check Valve Application

The Dual Plate Wafer check valve is a energy-saving product. It is manufactured by us GOOLE VALVE based on  the foreign advanced technology and in accordance with relative international standards. This product is featured by excellent retaining performance, high safety and reliability and low flow resistance. It is suitable for systems in the industries of petrochemical food processing,          medicine, textile, paper-making, Water supply, drainage, metallurgy, energy and light industry, etc. used as a check valve in one way.

Dual Plate Wafer Check Valve Specification

Size: NPS 2"~40"
Pressure: Class 150~1500
Material: WCB,LCB,CF8,CF8M,CF3M,WC6,C5,C12
Design & Manufacture Std.: API 594,API 6D,ASME B16.34
Face to Face Std.: API 594,API 6D
End Connection Std.: ASME B16.5,ASME B16.47
Test Standard: ISO5208,API 6D

Dual Plate  Wafer Check Valve Standard

Design and Manufacture: ANSI B16.34, API 6D

Face to Face: API 6D

Flange Dimension: 2"-24" to ANSI B16.5,  26"-36" to MSS-SP-44 to API 605 as request.

Test and Inspection: API 6D

Shell Test: 150LB, 450 PSI,  300LB, 1125 PSI.

Seat Test: 150 LB:315 PSI(HYDROSTATIC), 80 PSI(AIR)

           300LB: 815 PSI

Dual Plate Wafer Check Valve Features

  1. Small in size, light in weight, compact in structure, easy in maintenance.
  2. Two torsion springs are used excerting on each of the pair valve plates, which close the plates quickly and automatically.
  3. The quick-close action prevents the medium from flowing back and eliminates water-hammer effect.
  4. This valve is short in length, so that it is rigid and easy to mount.
  5. It is easy to install on pipeline which is laid horizontally or vertically.
  6. This valve is tightly sealed without leakage under the pressure water test.
  7. Safe and reliable in operation, high interference-resistance.
  8. The connection dimensions of flanges accord with the standards of GB4216-84 GB4216.5-84.
  9. The face to face dimensions are in accordance with ISO5752-82. The stem of the valve should be perpendicular to the horizontal level when the valve is mounted on horizontal pipeline. For vertical installation the direction of flow should be downward.
API594 Dual Plate/Double Plate Wafer Type Swing Check Valve (GAH76H)
Main Parts and Material.
 
Part nameMaterial
BodyWCBA352 LCBA217 WC6A217 WC9A217 C5A217 C12A351 CF8A351 CF8M
DiscA351 CF8A351CF8A182 F11A182 F22A217 C5A217 C12A182 F304A182 F316
StemA182 F304A182 F304A182 F304A182 F304A182 F304A182 F304A182 F304A182 F316
SpringStainless steel
GasketEPDM(-46~+121°C)/Neoprene(-50~+150°C)/NBR(-35~+113°C)/Fluoror abber(-23~+150°C)

Main External Dimensions.

API594 Dual Plate/Double Plate Wafer Type Swing Check Valve (GAH76H)

Class 150
SizeMain DimensionsWeight(kg)Cv
mminLDD1D2
502605110356248
65 2 1/26765122733128
8037380135884150
1004731021731086394
1255861271951328830
15069815222016013900
2008127203277210251589
25010146254337266393300
30012181305407310543926
35014184350448355805418
400161914005124051178256
4501820345054745513810452
5002021950060450516314251
6002422260071560533126511
7002830570077370038033600
7503030574682475042548000
8003230579687880056055200
9003636889898391064084000
10504243210501142105596096000
1200485241200130212051400117600
 
Class 300
502605111058348
652 1/26765128734128
8037380147886150
1004731021791088394
12558612721413215830
15069815224916018900
2008127203305210311589
25010146254359266513300
30012181305420310773926
350142223504833551175418
400162324005374051908256
4501826445059445520010452
5002029250065250526514251
6002431860077260841026511
7503036873588274066048000
900364838731044880102084000
105042568103511961045154096000
1200486291179136511902260117600
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