Specifications: 1) Size: 1/2" - 28"2) Class: 150 - 600lbs3) Operation: manual, pneumatic, electric4) Body: WCB / WC6 / WC9 / CF8M / CF3 / CF3M / MONEL / H.C5) Seat: steel + PTFE6) Suitable medium: HTM, lipid, polymer, fusion, waste water, chemical7) Design temp.: -28oC -450oC8) Custom requirements welcomed Packing: Wooden crate for sea transportation