Cast Iron Resilient seat gate valve OS&Y flanged ends
1.Comply with AWWA C509.
2.Flanges comply with ANSI B16.1
(1251b),and also adopt ANSI/AWWA
C111/A21.11 if necessary.
3.Face to face dimensions comply
with ANSI B16.10(1251b)
4.WWP: 200Psi.