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DN500 FEP lined Check valve

DN500 FEP lined Check valve

The check valve is automatic valve that depends the flow of medium to open and close valve petal so as to prevent medium from opposite flowing.

1.Series of fluoroplastic lined check valve:

1).The types of swing check valve are H44F46 and single petal revolve and H76F46 dual petal revolve,the petals are all rotate around the axes out of the base to avoid the medium swing back flow.The characteristic of H44F46 and H74F46 check vlave is axes and petal of valve are designed as a whole FEP axes is wedged in the special groove between body and cover of valve,in addition,the characteristic of H72F46 and H76F46 check valve:the body,petal and the reposition spring lined the erosion-resistant fluoroplastic liner,the reasonable spring to produce the enough pressure and ensured the reliability of sealing.

2).Lift standing check vlave:the main types are:H40F46,H42F46 and H72F46 lift standing check valve,amoung that the H40F46 is a new type,thepetal is ball form,the same characteristic is :liner petal make the lift movement along the accesso valve.

3).Characteristic of the H41F46 frank way lift check valve:the fluoroplastic lined petal is vertical to the entranc axes make lift movement.

2.Criterion of design:

It adopt the standard of GB13932,G12235,GB12236 and API6D.