Opening and closing parts by the media flow and power to open or close on their own, in order to prevent the backflow of the media called the check valve. Check valves are automatic valves, mainly for the medium one-way flow of the pipeline, allowing the media to flow in one direction, to prevent accidents.
Size: DN40-DN600mm PN1.0-1.6MPa
Body: Cast Iron, Ductile Iron, Carbon Steel, Stainless Steel
Seat: EPDM, NBR, Stainless Steel
Stem: Stainless Steel
Spring: Stainless SteelFlange Connection: DIN, ANSI, BS, JIS, etc
Media:Oil ,Gas, Water
Payment & Shipment
Payment :30%T/T with order ,70% T/T before the shipment .
Package :carton case or wooden case .
Shipment : 25-45days after payment.
Shipping: by air ,by train mby sea .
Port :Ningbo,Shanghai .
Our company persisting in the principle of "QUALITY IS LIFE, CUSTOMER IS GOD", we will strive for high efficiency, passion and integrity to provide our customers with high-quality products and superior trade services.