Клапан обратный полнопроходный подъемный

YDF full-opening check valves are designed in accordance with API6D, it is ideal for crude oil and gas transportation to avoid the reverse flow. The full-opening design can be capable for pig ball cleaning services. For big size, a dashpot device is optional to protect the sealing surface with controlling the disc closing time. YDF offer two series of full opening check valves – soft seal and metal seal.


  Design Feature


Product Range

Swing disc design
Suit for line pigging service
Optional soft seal and metal seal
Optional welded and thread seat
Optional dashpot device





150 ~2500LB(PN1.6~PN42)

Body Materials

Carbon Steel, Stainless Steel

End Connection


Gate Globe and Check Ball Valve Pipeline Valve Butterfly Valve Cryogenic Valve Other Valves
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Dual Plate Check Valve
Bellow Sealed Valve
Pressure Seal Valve
API603 Stainless Steel Valve
API602 Forged Steel Valve
API600 Cast Valve
Metal Seated Ball Valve
Full Welded Ball Valve
Floating Ball Valve
Trunnion Mounted Ball Valve
Through Conduit Gate Valve
Double Offset Butterfly Valve
Triple Offset Butterfly Valve
Cryogenic Valve
Marine Valve
DBB Ball Valve (Dual Ball Side Entry)
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