Xinhai wear rubber with wear resistance, corrosion resistance and high flexibility, the 0.25 mm Xinhai rubber strip stretches to out of shape until 800% length; the rubber prolongs the service life of the check valve 2 times. The opening is very easy because of the high elasticity of the rubber. 1 kilograms of fluid can easily open the valve without blockage. Relying on external pressure to close valve, clean closure, good sealing Under general conditions, the head loss can be reduced minimum. Xinhai rubber check valve can be customized in specs, size, color, etc. according to customers’ requirements. Xinhai rubber check valve adopts flange or pipe strap connection. Excellent resistance to frost, more suitable for cold areas
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.