Cast Iron Gate Valves Class 125 / 250 Bolted bonnet, Non-rising stem, Solid wedge disc. Description: Design and manufacture: MSS SP-70 Face to face dimensions: ANSI B16.10 Flanged end: ANSI B16.1 Size: 2" ~ 36" Safe working pressure: 200 psi / 500psi Suitable medium: water, oil, gas

Standard materials of parts

No.	Parts	Materials	American Standard
1	Body	Cast iron	ASTM A 126 Class B
2	Seat ring	Cast bronze	ASTM B62
3	Wedge face ring	Cast bronze	ASTM B62
4	Wedge	Cast iron	ASTM A 126 Class B
5	Stem	Brass	ASTM B16
6	Body gasket	Graphite
7	Bolt	Steel	ASTM A307-B
8	Nut	Steel	ASTM A307-B
9	Bonnet	Cast iron	ASTM A 126 Class B
10	Backseat bushing	Cast brass	ASTM B584
11	Packing	Graphite
12	Packing gland	Cast brass	ASTM B584
13	Gland follower bolt	Steel	ASTM A307-B
14	Gland follower nut	Steel	ASTM A307-B
15	Gland follower	Ductile iron	ASTM A536 65-45-12
16	Yoke bushing	Cast bronze	ASTM B62
17	Yoke bushing nut	Cast iron	ASTM A 126 Class B
18	Screw	Steel	ASTM A307-B
19	Handwheel	Cast iron	ASTM A 126 Class B
20	Nameplate	Aluminum
21	Handwheel nut	Ductile iron	ASTM A536 65-45-12

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