... 600Lb: 10K, 20KStructure: floatingDimension standard: GB, ANSI, JISBody material: Carbon steel(WCB), Stainless steel(CF8, CF8M, CF3, CF3M)Seat material ... : PTFE, PPL, N, H,YMode of action: the double-acting, single-acting (spring reposition)Control: Switch type, ... stainless steel ,to enable long-term corrosion resistance.8.The connection parts are in line with new international standards ...