A rubber check valve made of advanced wear-resistant materials, easy to discharge and intercept, also known as "duckbill valve". 【Processing capacity】: 0.001Mdda 【Scope of application】: Xinhai rubber check valve is widely used in various water outlets such as coast, beach, wharf, reservoir, municipal flood discharge, sewage pool discharge, odor blocking, pumping station system, etc. Strict, and has a strong pipeline flow capacity.
Xinhai flexible check valve has strong anti-corrosion and wear-resisting performance, which can prolong the service life by 2-4 times compared with ordinary rubber, and the service life can reach 20-25 years;
It is easy to open, the opening pressure difference is small, and the fluid can easily flow through when the fluid exceeds 1 kg, without causing blockage;
Due to the large elasticity of the rubber, the interception is clean and there is no reverse leakage;
Under normal conditions, the degree of head wear can be reduced;
Can be transformed into various forms, specifications, sizes and colors can be customized according to user needs;
Adopting the method of connection or pipe clamp connection, the connection is convenient, the installation cost is low, and the civil construction cost is low;
It has good antifreeze performance and is more suitable for use in alpine regions.
Xinhai rubber check valve opens by inner pressure difference, and closes by outer pressure. When in the forward work, the tiny water pressure can open the valve, and the pressure is greater, the valve opening is larger. In the reverse working, the valve naturally closes.
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During the operation of the Sudan Gold Mine Concentrator, Xinhai rubber check valve was selected, and Xinhai technicians selected special flange connection for it according to the actual situation of the mine. use. The experimental data shows that Xinhai No. 35 rubber flexible check valve is soaked in sulfuric acid solution with a concentration of 30% for 48 hours at a high temperature of 90 degrees, and the rubber properties still remain unchanged.
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