... take Large-scale exhibition Pneumatic flange floating ball valveModel : ZTQ641F (N, P, H, Y )Bore: DN15-300mmPressure: 1.6, 2. ... 10K, 20KStructure: floatingDimension standard: GB, ANSI, JISBody material: Carbon steel(WCB), Stainless steel(CF8, CF8M, CF3, CF3M)Seat material: PTFE, PPL, ... NRMAR standard.7.All fasteners are made of stainless steel ,to enable long-term corrosion resistance.8.The ...