Butterfly Valve, description about WCB Swing check valve on China Suppliers Mobile

Cast Steel Check Valves
Class 150 / 300 / 600 / 900 / 1500

Bolted cover, Swing type disc, Welded or threaded seat ring.

Description:

Design and manufacture: ANSI B16.34 and
Design and manufacture: API 6D or
Design and manufacture: BS 1868

Test and inspection: API 598 .

Face to face dimensions: ANSI B16.10

End flange dimensions: ANSI B16.5

Butt-welding ends: ANSI B16.25

Size: 2" ~ 24"

Materials of body/bonnet and trim

Body/bonnet	WCB, LCB, LCC, WC1, WC6, WC9, C5, C12, CF8, CF8M, CF3 and CF3M etc.
Trim (Disc/body seat)	F6/F6, 304/304, HF/HF, F6/HF, Monel/Monel, 316/316, Monel/HF and 316/HF etc.

Standard materials of parts

No.	Parts	Materials
1	Body	A216 WCB
2	Seat ring	A105 + F6
3	Disc	A216 WCB + F6
4	Disc nut	A182 F6
5	Hinge	A216 WCB
6	Hinge pin	A182 F6
7	Gasket	Stainless steel and graphite spiral wound
8	Cover	A216 WCB
9	Cover bolt	A193 B7
10	Cover nut	A194 2H

WCB Swing check valve