China Plastic Check Valve Manufacturer
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PVC swing check valve
Size:25-200mm or 3/4″-6″
Material:uPVC
Standard: DIN/ANSI/JIS/BS
Working Pressure:150PSI
Lead time: 30 days around
Package: Cartons Box
Seal: EPDM
Port: Ningbo or Shanghai
Place of origin: China
Products Description OF PVC Swing Check Valve
The PVC swing check valve is considered an automatic valve.A PVC swing check valve automatically operates based on the pressure differential between the upstream and downstream sides of the pipeline. It is designed with a swinging disc or flap that pivots to open when the fluid pressure on the upstream side is high enough and naturally closes when this pressure drops or when flow reverses. This pressure-driven mechanism is essential for preventing backflow in systems like swimming pools, water treatment facilities, and irrigation setups. By doing so, it helps to avoid potential contamination or damage that could occur if water were allowed to flow backward through the system.
PVC swing check valve Features
PVC Material: Constructed from polyvinyl chloride (PVC), these valves are particularly resistant to corrosion and chemical degradation. PVC’s durability makes it an ideal choice for environments exposed to chlorine, such as swimming pools, and other chemicals found in industrial or municipal water treatment processes.
Swing mechanism: The PVC swing check valve uses a swing disc or baffle that rotates around a hinge or pin in the valve housing. The disc opens during forward flow and swings closed when the flow stops or reverses, effectively preventing backflow.
Easy to install: Valves are designed for easy installation, often with sockets or threaded connections that match standard PVC piping systems. Their lightweight nature allows for quick and straightforward installation without the need for heavy equipment. There is an arrow indicating the direction of fluid flow on the valve. Please install it according to the direction of the arrow when installing, otherwise the valve will not work properly.
Automatic operation: The valve operates automatically based on the pressure differential across it. It opens under the pressure of forward flow and closes when flow stops or reverses, using gravity and back pressure to seal backflow.
Specification of Material
| No. | Components | No. | Parts | Material |
|---|---|---|---|---|
| 1 | Lower body | 1 | Lower Body | PVC-U |
| 2 | Lever | 1 | Shaft | PVC-M |
| 3 | Body seal | 1 | Body Seal | EPDM |
| 4 | Disc | 1 | Flapper | PVC-M |
| 5 | Weight plate | 1 | Inside Steel | 45 |
| 6 | Cover | 2 | Cap | PVC-U |
| 7 | Seal seat | 1 | Seat Seal | EPDM |
| 8 | Upper body | 1 | Upper Body | PVC-U |
| 9 | Flow direction arrow | 1 | Flow Arrow | PVC-U |
| 10 | Body bolts | 4-12 | Bolt Sets | 304,316 |
Specifications and dimensions
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