Operation model
Handle wheel, bevel gear, pneumatic and electric actuated
Main spare parts materialBody : WCB, CF8,CF8M,CF3,CF3M, 20#ALLOY,1.4308, 1.4408, 1.4306, 1.4301, CN7MBonnet : WCB, CF8,CF8M,CF3,CF3M, 20#ALLOY,1.4308, 1.4408, 1.4306, 1.4301, CN7MStem : F6a,F22, F304,F316, F321, 20#ALLOY, CN7M Plug : F6a,F22