Model NO.: H76
Flow Direction: Unidirection
Standard: ANSI
Application: Industrial Usage, Water Industrial Usage, Household Usage
Size: 2′′-56′′
Trademark: yuefeng
Transport Package: Wooden Box
Specification: 100x100x100
Origin: China
HS Code: 8481804090
Product Description
flange double disc check valve
Single-Disc Swing Wafer Check Valve (H74)




Metal seal or rubber seal.
DN50-DN1500, class150-2500

Product features
To API594
Face to face per ANSI B 16.10
Flange ends dimension ANSI B 16.5/ANSI B 16.47
Final inspection tests to API598.

Materials
WCB CF8 CF3 GR4A Hastelloy C etc.

Corrosion protection
Inside and outside epoxy coating
Applicable temperature: -196-540 different raw material for different work temperature
Applicable medium: Water, oil, gas and other causticity medium (different raw material for different medium)

About this product:
H74H/H74W/H74X-10-40C/P/R

Product 
Wafer Type Double Disc Check Valve

Test EquipmentWafer Type Double Disc Check Valve


workshopWafer Type Double Disc Check Valve
Structural formation Dual-disc swing type check valve
Design standard GB/T12224 API 594
Face to face                     GB/T 15188.2 ASME B16.0
Flanged ends JB/T 79\GB/T9113\HG20592 ASME B16.5
Test &inspection JB/T 9092 API 598
 
Note:The sizes of valve connecting and butt-welding terminas can be designed according to customers' request.
 
 
Major parts material fom
No. Part name Material
1 Body WCB\CF8\CF8C\CF8M\CF3\CF3M ASTM A216 WCB\ASTM A351-CF8\CF8M\CF8C\CF3\CF3M
2 Disc WCB\CF8\CF8C\CF8M\CF3\CF3M ASTM A216 WCB\ASTM A351-CF8\CF8M\CF8C\CF3\CF3M
3 Pivot 1Cr13\2Cr13\1Cr18Ni9Ti\0Cr18Ni12Mo2Ti ASTM A182GrF6a\ASTM A182 F22\ASTM A182-F304\F316\F321\F304L\F316L
4 Spring 4Cr13\60Si2Mn\1Cr18Ni9Ti\0Cr18Ni12Mo2Ti AISI 9260\AISI 6150\ASTM A182-F304\F316\F321\F304L\F316L