*Type: soft sealing, hard sealing, high performance and lining PTFE butterfly valves. *Specification: DN25-2600mm / PN0.25-10MPa / 150-600LB / 10-63K. *Material: ASTM A351 CF8, CF8M, CF3M, STL, DAG, PTFE, CR13, TSP and WCB. *Standard: Matching standard from China, Japan, USA, Germany and France, which include GB, JB, JIS, API, ANSI, DIN and NF etc.