Forged Steel Piston Check Valves Class 800 / 1500 Bolted cover, Swing type disc, Reduced port or full port.. Description: Design and manufacture: API 602 & ANSI Design and manufacture: B16.34 Socket weld end: ANSI B16.11 Screwed end: ANSI B1.20.1 Test and inspection: API 598 Size: 1/4" ~ 2 " Standard materials: A105, LF2, F5, F11, F22, Standard materials: F304, F304L, F316, F316L Standard materials: etc.

Standard materials of parts

No.	Parts	Materials
1	Body	A105
2	Cover	A105
3	Disc	A276-420
4	Seat ring	A276-410 + STL
5	Retaining nut	A194-2H
6	Hing	A734-CA40
7	Hing pin	A276-410
8	Supporter	A276-304
9	Cover bolt	A193-B7
10	Gasket	304 + Graphite
11	Name plate	Aluminum

> Dimensions and weight <