ASTM A216 WCB WCC; ASTM A217 WC1 WC6 WC9;
ASTM A351 CF8,A351 CF8M,A351 CF3,A351 CF3M,A351 CN7M;
ASTM A352 LC1 LCB LCC LC3(Cast Steel,Alloy Steel, Stainless Steel, Special Steel)
1. Valve seat can be designed into four-side floating ball and trunnion ball, with smooth fluid sate and reliable seal.
2.The structure may be designed into side installed type and top installed type, with double sealing design, no series flow upon switch of flow direction.
3.Fire-safe, antistatisc and blow-out proof stem functions
4.Self relieving seat:
5.Emergency sealant injection system
6.Stem/bonnet extension for cryogenic service
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