Check Valve

A check valve is a valve with a circular disc as the opening and closing part. It blocks the backflow of the medium by its own weight and the pressure of the medium. It is an automatic valve, also known as a non-return valve, one-way valve, reflux valve or isolation valve. The movement of the disc can be divided into lifting type or swing type.

HY's advantages

1. Customized according to your needs

HY has strong technology and production capacity, and can produce national standard valves, American standard valves, API valves, American standard valves, API valves, German standard valves, Japanese standard valves, British standard valves, and British standard valves for you according to your technical requirements.

2. Strict quality control system

HY has established a complete set of manufacturing process flow under the control of the quality management system in the manufacturing process of non return valves, from the entry of raw materials to the qualified delivery of finished products. The valve body uses a hydraulic process with a slow feed of a 500-ton high-pressure hydraulic machine tool to make the forming blank density higher and the size more accurate. The product is placed throughout the process without bending or deformation.

3. Production capacity and scale.

The company has machining equipment, welding, heat treatment equipment, performance testing equipment (including special test equipment), inspection and testing equipment, non-destructive testing equipment (including RT ray flaw detection room), measurement and physical and chemical equipment required for the production of various valves. Products produce ordinary civil fire water supply valves, industrial valves, chemical valves, petroleum valves, power station valves, nuclear power valves, etc.

4. Perfect import and export system

HY has many years of foreign trade experience, a mature logistics system, complete qualification certificates, and no obstacles to import and export.