Description:   Butterfly Valve, Flange, Valve Body, Valve Castings,
Process:   Stainless Steel Lost Wax Casting

Materials:   stainless steel, 304, 203,301,1Cr13, 316, 316L
Specification:   ASTM, DIN, GB
H-Treat:   Solution
Secondary Operations:   machining, assembly
Finish:   polishing, pickled