LJV 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. LJV offer two series of full opening check valves – soft seal and metal seal.

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

Product Range
Type ： Plate Gate
Size ： 1~40”（（DN40~DN700）
Rating ： 150~2500LB
Materials ： Carbon steel, Stainless steel
End connection: RF,RTJ,BW