China, cryogenic, ball valve, Floating, Trunnion, Fixed, Mounted, -196 ℃,low temperature, Manufacture, Factory, Price, Flanged, RF, RTJ, two pieces, three pieces, PTFE, RPTFE, Metal, seat, full bore, reduce bore, valves materials have carbon steel, stainless steel, A216 WCB, A351 CF3, CF8, CF3M, CF8M, A352 LCB, LCC, LC2, A995 4A. 5A, A105(N), F304(L), F316(L), F11, F22, F51, F347, F321, F51, Alloy 20, Monel, Inconel, Hastelloy, Aluminum Bronze and other special alloy. Pressure from Class 150LB, 300LB, 600LB, 900LB, 1500LB, 2500LB