ANSI OS&Y Gate Valve Specification
•Bolted Bonnet; Outside Screw & Yoke
•Rising Stem;Solid Wedge
•Design Standard: MSS SP-70
•Face to Face: ANSI B16.10
ANSI OS&Y Gate Valve Materials
No Part Name Materials
1 Body ASTM A126A(B) GG20 GG25
2 Seat Ring ASTM B36/B62,SS410 Brass,Bronze
3 Wedge Ring ASTM B36 Brass
4 Wedge ASTM A126A(B) GG20 GG25
5 Bolt A216 WCB GS-C25
6 Nut A216 WCB GS-C25
7 Washer A216 WCB GS-C25
8 Bonnet Gasket Grapihte Graphite
9 Packing Grapihte Graphite
10 Bolt A216 WCB GS-C25
11 Gland ASTM A126A(B) GG20 GG25
12 Washer A216 WCB GS-C25
13 Nut A216 WCB GS-C25
14 Bonnet ASTM A126A(B) GG20 GG25
15 Yoke Nut ASTM B36 Brass
16 Nut A216 WCB GS-C25
17 Handwheel ASTM A126B GG25
18 Stem SS410 X10Cr13