Precision casting stainless steel valves series, Products include: 1-type ball valve, 2-type ball valve, three-piece ball valve, T-type ball valve three links, L-type three links Ball Valve, Mini Ball polishing, France Orchid Ball. Valve, the cut-off valve, check valve and so on. Materials: AISI 304,316. Specifications: 1 / 4 "-6."