China Plastic Check Valve Manufacturer

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True Union Check Valve

Size:20-63mm or 1/2″-2″

Material:uPVC/Clear PVC/CPVC/PPH

Joint End: Socket(DIN/ANSI/JIS/CNS) Threaded (BS/ANSI)


Working Pressure:150PSI

Lead time: 30 days around

Package: Cartons Box

Seal: EPDM

Ball Style: Full Ball/Half Ball

Port: Ningbo or Shanghai

Place of origin: China

Products Description

The True Union ball check valve uses a freely moving ball inside the valve body for sealing. It is a type of automatic valve and is used to prevent backflow in the pipeline system. This valve is particularly useful in systems that are maintained and easily serviced. The following is an overview of the features, applications, and benefits of true union ball check valves:

True union ball check valve Features

Material: Valve materials are usually made of PVC, transparent PVC, CPVC, PPH, and other materials. Offers excellent resistance to corrosion and chemical abrasion and is suitable for use with a variety of fluids, including mildly corrosive fluids.

True Union Design: With a joint connected at one end, installation and disassembly are easy without disassembling the entire piping system. This design facilitates quick maintenance and inspection.

Ball Mechanism: The ball moves freely on the internal rails of the valve body and forms a seal with the valve body to prevent backflow when the flow is stopped or reversed. When forward pressure is applied, the ball moves away from the seat, allowing flow.

Clear Body Option: Some models may include a clear body section that allows visual confirmation of ball position and operation, aiding in troubleshooting and maintenance inspections.

Ease of Installation and Removal: The true union design allows for straightforward installation and quick removal, significantly reducing downtime during maintenance and repairs.

Direction: Please refer to the direction of the arrow on the valve during installation to ensure that the direction of the fluid is consistent with the direction of the arrow.

Maintenance-Friendly: The true union design simplifies the process of disassembling, inspecting, and replacing components, making regular maintenance easier and more efficient.

Versatility: Suitable for a wide range of applications and fluids, especially where quick disconnection and reconnection of the valve are beneficial.

Reliability: Provides reliable prevention of backflow, protecting sensitive components downstream from potential damage or contamination.

Industrial Processes: Widely used in chemical processing, water treatment, and manufacturing processes where fluid control is critical and system maintenance is frequent.

Aquatic and Pool Systems: In pools, spas, and aquarium systems, these valves prevent the backflow of water and maintain proper operation of filtration and pumping systems.

Food and Beverage Industry: Utilized in systems requiring hygienic conditions, where easy disassembly and cleaning are necessary.

Easy Maintenance: The single-tube connector design simplifies maintenance, making it easier to replace or clean valves without lengthy system downtime.

Durability: Construction ensures long-term durability and resistance to chemical and physical wear and tear.

Cost-Effectiveness: PVC or CPVC valves are generally more economical than valves made from more exotic materials, but still offer good chemical resistance and durability.

Periodic Inspections: It is important to inspect the valve regularly and clean the ball and seat to ensure no debris or buildup could prevent proper sealing.

Operational Inspections: Regular operational testing can help ensure proper valve operation, especially in critical applications where backflow can cause serious problems.

True Union check valves are ideal for systems where operational reliability, ease of maintenance, and chemical resistance are required. Their design ensures they are a practical choice for managing fluid flow in diverse settings, from industrial applications to residential pool systems.

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