*Type: lift type check valve and swing type check valve etc. *Specification: DN15-300mm / PN1.0-5.0MPa / 125-300LB. *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.