4 Inch Three-way Automatic Backwash Valve, High Flow Hydraulic 3-Way Control Valve for Sand Media & Disc Filter Systems

Diaphragm hydraulic control valve, system pressure drive, can be controlled by the power signal to open/close.

With internal inlet and outlet circuit. The internal filter makes the valve self-cleaning.

Plastic valve, after fine production, to meet the industrial design standards. Strong durability, chemical corrosion and cavitation resistance, no bolts and nuts inside.

Y-type valve body adopts full diameter high flow design. The flow rate is large and the head loss is small.

Integrated ultra-durable flexible diaphragm and guide spool. Smooth and slow closing of the valve: low pressure required for opening and driving; Effectively prevent diaphragm corrosion and deformation.

External pressure pipeline design, which can be easily checked and maintained on site.

Qingdao Yida Tongtu Machinery Technology Co., Ltd., in the beautiful coastal city of Qingdao. Specializing in high-growth ventures such as valves and power equipment, the company is dedicated to providing comprehensive solutions for industries including petroleum, chemicals, and water utilities, empowering clients to grow and achieve success.
We are a cutting-edge trading enterprise specializing in one-stop industrial valve matching, deeply cultivating gate valves, globe valves, ball valves, check valves, butterfly valves, etc. Our main products include American standard API, German standard DIN, and Japanese standard JIS, suitable for various industries such as chemical, petroleum, gas, power, metallurgy, etc.
We selects qualified factories from the source, strictly controls product quality, adheres to the direct supply mode, and relies on the advantages of a streamlined and efficient team to achieve rapid implementation of customer demands. At the same time, we can provide customers with standard spot goods, non-standard customization, OEM, project batch matching, and a complete set of export documentation services, becoming a long-term stable valve procurement partner for customers with professionalism, reliability, and high cost-effectiveness.

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