Hydraulic Butterfly Flange Check Valve

Check valve is to rely on the flow of the media itself and automatically open and close the valve flap,used to prevent the media back to the valve,also known as flange check valve,flange check valve,counterflow valve,and back pressure valve.Check valve is an automatic valve,its main role is to prevent media backflow,to prevent the pump and drive motor reversal,and the release of container media.

1. Butterfly double-flange check valve is mainly used in high-rise building water supply pipe,containing corrosive media and sewage fluid pipe network used.

2. Lifting mute flange check valve is used in the pipeline to the high quality requirements of the drainage project;at the same time can be installed at the pump outlet,requiring pressure(PN2.5Mpa)relatively high pipe network.

3. Lifting muffler flange check valve for high-rise building drainage system and the pump outlet,not suitable for sewage pipelines.

4. Thorizontal flange check valve for diving,drainage,sewage pump,especially for sewage and sludge systems.

5. Swing-type rubber flange check valve used in urban water pipe network system;not suitable for sediment and more sewage pipelines.

6. Swivel single-valve flange check valve is widely used,can be installed in the water supply and drainage,petroleum,chemical,metallurgy,industrial piping,the space is the most suitable occasions.

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