Flanged Check Valve
The disc of the flanged check valve is disk-shaped and rotates around the shaft of the valve seat channel. Because the channel in the valve is streamlined, the flow resistance is smaller than that of the lift check valve. It is suitable for large diameter occasions where the flow rate is low and the flow does not change often, but it is not suitable for pulsating flow, and its sealing performance is not as good as the lift.
Description
Ca-Fire Protection Co.,Ltd is one of the most credible manufacturers and suppliers of flanged check valve in China. Welcome to wholesale custom made fire equipment products at competitive price from our factory. Contact us for more cheap products.
Flanged Check Valve
The disc of the flanged check valve is disk-shaped and rotates around the shaft of the valve seat channel. Because the channel in the valve is streamlined, the flow resistance is smaller than that of the lift check valve. It is suitable for large diameter occasions where the flow rate is low and the flow does not change often, but it is not suitable for pulsating flow, and its sealing performance is not as good as the lift.
Swing check valve is divided into single disc, double disc and multi-disc three, these three forms are mainly divided according to the valve diameter, the purpose is to prevent the medium to stop the flow or reverse flow, weaken the hydraulic impact.
Installation precautions
1, do not let the check valve bear weight in the pipeline system, the large check valve should be independently supported, so that it is not affected by the pressure generated by the pipeline system.
2, when installing, pay attention to the direction of the medium flow should be consistent with the direction of the arrow marked on the valve body.
3, lifting vertical flap check valve should be installed on the vertical pipe.
4, lifting type horizontal flap check valve should be installed on the horizontal pipeline.
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