General Description:
FLOWTEK full opening check valve can be capable for pig ball cleaning service. For big size, to prevent potential water hammer damage caused by disc closing, a dashpot device can be assembled to control the disc closing time. Both soft seat & metal seat are available.

Design Standard:
Basic Design: API 6D
Face-Face Dimension: ASME B16.10
End Connection: ASME B16.5, ASME B16.47, MSS SP44 , ASME B16.25
Test: API 598, BS 6755

Products Range:
Size: NPS 2″ ~ 48″
Rating : ANSI 150lb ~ 2500lb
Body Materials: Carbon Steel, Stainless steel, Alloy Steel, Duplex
End connection: RF, RTJ, B.W

Design Feature:
Swing check design
Suitable for pig ball service
Soft or metal to metal seating
Welded or threaded seat ring
Optional counter weight lever design
Optional Pneumatic operated for quick shut off within 1 second

Application:
Refinery
Petrochemical
Power plant
General Industry