General Description: KOS 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. Optional soft seat & metal seat.
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Design Standard:
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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
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Products Range:
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Size: 2" ~48" (DN50 ~ DN1200)
Rating : ANSI 150lb ~ 2500lb (PN16 ~ PN250)
Body Materials: Carbon Steel, Stainless steel, Cr-Mo Alloy Steel
End connection: RF, RTJ, B.W
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Design Feature:
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Application:
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Swing check design
Suitable for pig ball service
Soft or metal to metal seating
Welded or threaded seat ring
Optional weight lever design
Optional Pneumatic operated for quick shut off within 1 second
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Refinery
Petrochemical
Power plant
General Industry
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