non return valve
swing check valve
weighted swing check valve
Standard: DIN, EN, BS, AWWA; Port Size: DN50-300; Media: Water, Gas, Oil, Sewage, Powder,Paper pulp; Port: Qingdao; Supply Ability: 5000 Piece/Pieces per Month; Model Number: DN50-300; Brand Name: Fulton/OEM; Temperature of Media: Normal Temperature; Packaging Detail: Standard export worth wooden...