Swing Type Check Valve which its opening &closing part itself opens by the flow force of medium to prevent the medium from flowing reversal, is called check valve. The check valve belongs to automatic valve, is mainly applied on the pipeline with single direction flow and only allows the medium flow at direction, which avoids the occurrence of accident.
Series - 150 To 2500
Design Features
- Horizontal or vertical pipe can be used, easy installation
- Smooth flow channel, fluid resistance is small
- Disc closes quickly with low water hammer pressure
- Long service life and high reliability
- Sensitive action, good sealing performance
Product Specifications
- Size 1 1/2″-30″ DN40-DN750
- Pressure Class "150, 300, 600, 900, 1500, 2500" | PN16-PN200
- End Connection Flange (RF, RJ), Butt Welding
- Body Material WCB, LCB, WC6, CF8, CI A126 CL.B, Brass B16, Bronze B62
- Disc Material WCB, LCB, WC6, CF8, CI A126 CL.B, Brass B16, Bronze B62
- Seat Material A105, F304, #25, 304
- Stem Material /
- Design Standard BS 1868, GB/T 12236, MS SP-71
- Face to Face Standard ASME B16.10, GB/T 12221, GB/T15188.1
- Test Standard API 598, JB/T 9092, GB/T 13927
- Temperature Range -29℃~550℃
- Actuator Options /
-
Structure Style
- Full Port
-
Connection Standard
- Flange Drilling: ASME B16.5, ASME B16.47, GB/T 9113, JB/T 79
- Butt Weld: ASME B16.25, GB/T 12224