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            Flexible check valve

            • 100% made of Xinhai wear-resistant rubbers; no mechanical transmission in both opening and closing, breakdown-free and maintenance-free.
            • Super-wear resistant and corrosion resistant; service life can be up to 20-25 years.
            • Good flexibility and rebound strength by 38%.
            • Small opening pressure, only 1 kg head can open it.
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            0086 13810327080

            Flexible check valve

            Product advantage

            100% made of Xinhai wear-resistant rubber with exquisite design,, no breakdown and no maintenance.

            Xinhai flexible check valve is 100% made of Xinhai wear-resistant rubber with exquisite design. One side is round or square tubular, connected with flange or pipe clamp; the other side is flat like fishtail with an autistic duckbilled one-way valve in the middle which is produced through reducing surface. This makes positive circulation resistance minimum and makes reverse reliable and no sealing with the help of rubber elasticity. The valve has no mechanical transmission in both opening and closing, so there is no breakdown and maintenance.

            Wear and corrosion resistance and 20-25 years' service life

            Made of Xinhai 35 wear-resistant rubber with 128% abrasion resistant index.

            Good corrosion resistance. There is no obvious change for the properties immersed in the sulfuric acid solution with 30% concentration and in 90℃ high temperature for 48 hours. Compared with other ordinary rubbers, its service life can be up to 20-25 years, 2 to 4 times of others.

            Good flexibility and rebound strength by 38%.

            The content of natural rubber in Xinhai wear-resistant rubber products can be up to 95-97% and the long molecular chains are nearly kept completely to create strong flexibility. Thus, the rebound strength can be to 38%. It is easy to open with clean closure. Under the general conditions, the loss on head can be to a minimum degree.

            Small opening pressure, only 1 kg head is needed.

            Forward flow can be easy to pass and only 1 kg head is needed without blocking, featured by convenient installation and operation.

            Product application

            In the rain and recombining system, the current can not back into the diffusion detonation gas system of sewage treatment system      
            when the rainwater in the river is over and the sewage plant discharges overflow.      

            Diffusion and gas detonation system擴散爆氣系統

            Waste water in municipal sewage plant is discharged along the coast.
            Varieties of Xinhai flexible check valves
            Flange type It is comprised of rubber flange, valve body and ischaemum and lined with metal flange. It can be connected with metal flange naturally and installed directly in the body, pipe and cofferdam.
            Socket type The base of rubber check valves is fixed on the outlet conduit and body by the banded metal ring and nut.
            Square hole and more positions It is suitable for square pipes or tanks. Xinhai rubber company can tailor in terms of pipe shape of customers.

            Product parameters

            Application environment has great effect on the rubber seclon, please let our technicans assists you to make the selection. Technical consultation

            Just tell us your requirement and query, we will reply as soon as possible.

            Note: the Name,Tel,E-mail,Country and is required

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