flange double disc check valve
Metal seal or rubber seal.
DN50-DN1500, class150-2500
Product featuresTo 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.
MaterialsWCB CF8 CF3 GR4A Hastelloy C etc.
Corrosion protectionInside 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 Test Equipment
workshop
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 |