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High-Performance J-VALVES 12" WCB Double Disc Wafer Check Valves: Achieving Zero Leakage Sealing and Effectively Reducing Water Hammer Impact

Views: 0     Author: J-VALVES     Publish Time: 2025-06-05      Origin: Site

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High-Performance J-VALVES 12" WCB Double Disc Wafer Check Valves: Achieving Zero Leakage Sealing and Effectively Reducing Water Hammer Impact

I. Introduction to J-VALVES 12" WCB Double Disc Wafer Check Valves

The J-VALVES 12" WCB DOUBLE DISC WAFER CHECK VALVE is made of high-quality carbon steel (WCB), which has good mechanical properties and corrosion resistance. It is suitable for the control of various fluid media. Its unique double disc design enables it to open quickly when the fluid flows forward and close rapidly when the fluid flows backward, effectively preventing the backflow of the medium and ensuring the one-way flow characteristics of the system. This check valve is widely used in water supply and drainage systems, industrial pipelines, petrochemical and other fields, and is an important component to ensure the safe operation of the system.

Double Disc Wafer Check Valves (1)


II. Zero Leakage Sealing Technology

(1) Sealing Structure Design

The J-VALVES 12" WCB DOUBLE DISC WAFER CHECK VALVE adopts an advanced sealing structure. Its sealing surface is precisely machined with extremely low surface roughness, enabling it to closely fit with the valve seat. Compared with traditional check valves, the sealing surface of J-VALVES has undergone a special hardening treatment process, enhancing the wear resistance and corrosion resistance of the sealing surface. It can maintain good sealing performance even in harsh working environments.

Characteristics

J-VALVES 12" WCB Double Disc Wafer Check Valve

Traditional Check Valve

Sealing Surface Treatment

Precision machining, hardening treatment

Ordinary machining

Wear Resistance

High

Low

Corrosion Resistance

Strong

Weak

(2) Sealing Material Selection

J-VALVES selects high-quality sealing materials, such as high-performance rubber or polytetrafluoroethylene (PTFE). These materials have excellent elasticity, temperature resistance and chemical resistance. In practical applications, the sealing materials of J-VALVES can adapt to different medium and temperature conditions, ensuring the reliability of the seal. In contrast, the sealing materials of traditional check valves tend to age and deform easily in high-temperature or corrosive media, resulting in seal failure.

Material Characteristics

J-VALVES 12" WCB Double Disc Wafer Check Valve

Traditional Check Valve

Elasticity

High

Low

Temperature Resistance

High

Low

Chemical Resistance

Strong

Weak


III. Effectively Reducing Water Hammer Impact

(1) Fast Closing and Buffering Mechanism

The water hammer phenomenon is a pressure shock wave generated due to the rapid stop or change of direction of the fluid, which can cause serious damage to the pipeline system. The J-VALVES 12" WCB DOUBLE DISC WAFER CHECK VALVE effectively reduces the water hammer impact by optimizing the closing speed and buffering mechanism of the valve. Its double disc design enables it to close quickly under the action of reverse fluid, and the closing process of the disc has a certain buffering effect, avoiding the violent impact caused by instant closing.

Performance

J-VALVES 12" WCB Double Disc Wafer Check Valve

Traditional Check Valve

Closing Speed

Fast and with buffering

Slow or without buffering

Water Hammer Impact

Low

High

(2) Streamlined Design

The inner cavity of the J-VALVES valve body adopts a streamlined design, reducing the resistance and turbulence of the fluid inside the valve. This design not only improves the flow capacity of the valve but also reduces the pressure fluctuation of the fluid inside the valve, further reducing the probability of the occurrence of the water hammer phenomenon. Compared with traditional check valves, J-VALVES has less pressure loss under the same flow conditions, and the system operates more smoothly.

Performance

J-VALVES 12" WCB Double Disc Wafer Check Valve

Traditional Check Valve

Streamlined Design

Yes

No

Pressure Loss

Small

Large


IV. Comparison of Practical Application Cases

In a large water supply and drainage system, traditional check valves frequently had problems of leakage and water hammer impact during operation, resulting in damage to the pipeline system and increased maintenance costs. After technical evaluation, after the system was replaced with J-VALVES 12" WCB DOUBLE DISC WAFER CHECK VALVES, the system operated smoothly, the leakage problem was completely solved, and the water hammer impact phenomenon was significantly reduced. Through long-term monitoring, the service life of J-VALVES is more than 50% longer than that of traditional check valves, and the maintenance cost is reduced by 30%.

Application Case

Traditional Check Valve

J-VALVES 12" WCB Double Disc Wafer Check Valve

Leakage Situation

Frequent leakage

Zero leakage

Water Hammer Impact

Frequent

Rare

Maintenance Cost

High

Low

Service Life

Short

Long


V. Summary

The J-VALVES 12" WCB DOUBLE DISC WAFER CHECK VALVE demonstrates significant advantages in industrial and water supply and drainage systems with its excellent zero leakage sealing performance and the ability to effectively reduce water hammer impact. Through advanced sealing structure design, high-performance sealing materials and optimized streamlined design, J-VALVES performs outstandingly in practical applications, can significantly improve the safety and reliability of the system, reduce maintenance costs and extend the service life. When choosing a check valve, J-VALVES is undoubtedly a high-performance and trustworthy choice.


Manufacturer and supplier of industrial valves, including Floating Ball Valves, Trunnion Ball Valves, Flanged Gate Valves, Welded Gate Valves, High Pressure Gate Valves, Globe Valves, Swing Check Valves, Double Disc Wafer Check Valves, Y Strainers , etc. For more information, please send us your email .

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