What Is The Double Disc Wafer Check Valve and What Are Its Advantages?
As industrial pipeline systems pursue higher safety and efficiency standards, high-performance fluid control components have become core guarantees for stable operation. Among mainstream pipeline accessories, the double check valve, also widely known as double non return valve, stands out as a premiumone way non return valve, providing precise and durable backflow prevention for various fluid transmission scenarios. Integrated with mature wafer mounting technology, this upgraded wafer type check valve has replaced traditional pipeline valves in many fields and become a preferred water shut off valves solution for modern industries.
Different from conventional single disc valves, this innovative product adopts a dual plate butterfly structure, also named the butterfly check valve for its flexible opening and closing performance. Featuring two symmetrical valve plates and spring-assisted reset design, the valve opens smoothly under positive fluid pressure to ensure unobstructed medium flow. Once the fluid flow stops or reverse pressure occurs, the dual plates close instantly and tightly to completely block backflow, realizing reliable one-way fluid control. For harsh working environments with corrosion and high-temperature requirements, the stainless check valve version offers enhanced durability, adapting to chemical, marine and water treatment working conditions.
This series of check valves boasts remarkable structural and performance advantages. First, the classic wafer type installation enables ultra-compact assembly. It is directly clamped between pipeline flanges without complex connecting parts, saving pipeline space and greatly reducing installation time and engineering costs, which is far more convenient than traditional flange check valves. Second, the butterfly dual-plate structure effectively weakens water hammer impact. The synchronous spring closing avoids sudden pipeline vibration and noise, protecting pipeline facilities and extending the service life of the entire fluid system. 
In addition, as a high-precision water shut off valves product, the double non return valve features excellent sealing performance and zero leakage. The streamlined internal structure minimizes fluid resistance and pressure loss, achieving energy-saving operation while ensuring efficient medium transmission. The stainless check valve model further optimizes material performance, with outstanding rust resistance, wear resistance and high-pressure resistance, suitable for water, oil, gas and various chemical media.
Widely applicable in water supply projects, power plants, petrochemical and municipal pipeline systems, this multi-functional wafer type check valve and butterfly check valve series perfectly meets diversified industrial needs. Combining the core functions of a standard one way non return valve with upgraded structural design, the double check valve series has become a cost-effective and reliable choice for global industrial fluid control, supporting safe and stable operation of modern pipeline systems.
KR VALVE (TIANJIN) Co., LTD
Email: info@tjkrvalve.com
Telephone: 0086 18920615838












