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    Swing Check Valve
Swing Check Valve

Swing check valve is in inner rocker arm swing structure. 

All switch parts are installed in valve cavity without getting 

through valve body. Except for the middle flange which is 

equipped with gasket seal and seal ring,  there is no other 

outside dots. Leakage outside the valve is forbidden. Swing

type check valve rocker arm and valve disc are connected

with spherical surface, which make valve disc possess a

certain degree of  freedom at 360 degree with a proper

position compensation. When swing check valve is fully 

open, fluid pressure is almost unimpeded. The pressure 

through valve is relatively small.

It is suitable for clean medium; therefore, medium containing 

solid particles and Larger viscosity shall not be applied. The

valve disc of swing check valve is in rotating movement around

axis of rotation. Its flow resistance is usually less than that of

lift check valve,  which is suitable for large bore application.

Basic Parameters:

Nominal Bore: 1-13/16"~4-1/16"

Working Pressure: 2000psi~15000psi

Temperature Level: –75°F~+250°F

Body Material: AA, BB, CC, DD, EE, FF, HH

Specification Level: PSL1~PSL3G

Performance Level: PR1~PR2