General Description:
CONNEX 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: |
Application: |
Swing check type |
Refinery |
Suitable for pig ball service |
Petrochemical |
Soft or metal to metal seating |
Power plant |
Welded or threaded seat ring |
General Industry |
Optional counter weight lever design |
|
Optional Pneumatic operated for quick shut off within
1 second |
|