API594 Dual Plate Double Flange Wafer Check Valve
Product Description
Features
1.Size: 2-60
2.Pressure: Class150-2500Lb
3.Tightened Pin structure.
4.Double Flange & Dual Plate design.
5.Dual Plate With Spring Loaded structure
6.Materials: Carbon steel and stainless steel, etc
7.Application: Chemical processing, Oil Field & Power Plant, Hydrocarbon processing
Standards
1.Design&Mamufacture: API 594, API 6D
2.Face-to-face API 594, API 6D, DIN 3202
3.Flange end: DIN2543-2548, API605, ASME B 16.47, ANSI B 16.5
4.Inspection and test: API 598
5.Special: NACE MR-01-75
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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