Cast Iron Swing Check Valves PN 16 Bolted cover, Swing type disc. Description: Design and manufacture: BS5153 Face to face dimensions: Series 2 of BS5153 Flanged end: BS4504 Size: DN50 ~ DN600 Safe working pressure:1.6 MPa Suitable medium: water, oil and gas

Standard materials of parts

No.	Parts	Materials	British Standard
1	Bolt	Steel	BS970 43A
2	Nameplate	Aluminum
3	Bonnet	Cast iron	BS1452 Gr220
4	Body gasket	Graphite
5	Nut	Steel	BS970 43A
6	Side plug	Brass	BS2874 CZ122
7	Gasket	Fiber
8	Hanger pin	Brass	BS2874 CZ122
9	Hanger	Ductile iron	BS2789 Gr420-12
10	Disc	Cast iron	BS1452 Gr220
11	Disc ring	Cast bronze	BS1400 LG2
12	Washer	Steel	BS970 43A
13	Split pin	Stailess steel	BS970 420S37
14	Disc nut	Steel	BS970 43A
15	Stud bolt	Steel	BS970 43A
16	Seat ring	Cast bronze	BS1400 LG2
17	Body	Cast iron	BS1452 Gr220

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