YDF full-opening check valves are designed in accordance with API6D, it is ideal for crude oil and gas transportation. 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

 

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

Product Range

Size

：

2~48”（DN50~DN1200）

Rating

：

150 ~2500LB（PN1.6~PN42）

Body Materials

：

Carbon Steel, Stainless Steel

End Connection

：

RF，RTJ，BW