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Lug Type Dual Plate Swing Check Valve

Product Application

Opening and closing parts by the media flow and power to open or close on their own, in order to prevent the backflow of the media called the check valve. Check valves are automatic valves, mainly for the medium one-way flow of the pipeline, allowing the media to flow in one direction, to prevent accidents.
Check valve according to the structure, can be divided into lift check valve, swing check valve and butterfly check valve three:
1 lift check valve is divided into two kinds of vertical and horizontal.
2 swing check valve is divided into a single type, double valve and valve type three.
3 butterfly check valve is straight through.
More than four kinds of check valve in the form of connection can be divided into threaded connection, flange connection, welding connection and clip connection.

Product Range

End Connection: RF,RTJ, BW

Working temperature: -196?~+560?

Nominal diameter: 1.5"~48" (DN40~DN1200)

Pressure range: Class150~2500 (PN16~PN420)

Body material: carbon steel, stainless steel, alloy steel, bronze

Structural Feature

1. Long life span, high reliability.

2. Easy flow, little flow resistance.

3. Compact structure, beautiful design.

4. Can be installed vertically or horizontally.

5. Quick in closing, small in water hamper.

6. Quick reaction, good seal performance.

7. Short in Stroke, small in closing impact.

8. Short in Length, the face to facet is only 1/4~1/8 of the standard one.

9. Small in size and light in weight, the weight is only 1/4~1/20 of the normal one.