... . Certificate :ISO9001 ,CE 3. We often take Large-scale exhibition Pneumatic flange floating ball valveModel : ZTQ641F (N, P, H, Y ... material: Carbon steel(WCB), Stainless steel(CF8, CF8M, CF3, CF3M)Seat material: PTFE, PPL, N, H,YMode of action: the ... type.Selection of Accessories: solenoid valve, locator, limit switch, F.R..L. Combination unit. Manua Device.Pneumatic actuator 1.ISO9001, CE ...