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
ProductÂ
Test Equipment
workshop
| Structural formation | Dual-disc swing type check valve | |
| Design standard | GB/T12224 | API 594 |
| Face to face | Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â 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.
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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 |
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