API 602 Check Valve

The check valve is also called non-re valve.
The function is to prevent the fluid in the pipeline back flow.check valve is mainly used for the one-way flow of the medium, and only allowing the medium to flow in one direction to prevent accidents. Generally, this type of valves should be installed horizontally in the pipeline.

Structure: Bolted Bonnet,Pressure Seal, OS&Y

Size: 1/2”~2” (15mm~50mm)

Class: 150LB~2500LB

Connection Ends: Flange, Welded,Screwed

Standards:

Design: API 602

Pressure and Temp. Range: ASME B16.34

Face to Face：ASME B16.10

Flange Ends: ASME B16.5

BW Ends: ASME B16.25

Inspection and Test: API598

Main Materials:

Body Materials: A105, LF2, LF1, F11, F304, F316, F304L, F316L, F321 etc.

Disc Materials: A105, LF2, LF1, F11, F304, F316, F304L, F316L, F321 etc.

Seat Material: Integral/ Hard Surface etc.

Design Feature:

Integral Flange , BW Ends,SW Ends,NPT Ends

Solid Disc

Intergal Seat Ring