Product profile

The valve by the medium pressure, normal or abnormal stop the pump, by the disc and the medium back pressure and push the valve disc, first quickly close most of the stroke, and then use the damping of the buffer device, slow down the rest, to prevent the destructive water hammer and participate in controlling the valve of the reverse speed of the pump. Generally installed in the pump mouth, the main function is to prevent the medium backflow, prevent the pump and its drive motor reversal, effectively solve the impact of the pipeline system, as well as the discharge of the medium in the container, is widely used in water purification, source water, sewage, sea water and other medium supply and drainage system.

Product Parameter

Size range: DN400~800

Pressure rating: PN6~16

Design standard: JB / T 13880, CJ / T514

Main material: QT 500-7

Connection type: flange type

Operation type: automatic

About us

Founded in Hong Kong in 1988, Yenaut Industries Co., Ltd. is a wholly-owned subsidiary of China Nuclear Energy Industry Corporation.
Since its establishment, Yenaut Industries Co., Ltd. has been deeply engaged in the energy industry, with the vision of providing customers with efficient, clean and sustainable energy solutions.
Based in Hong Kong, backed by various production bases in Chinese mainland and the strong production capacity of partners, the company provides customers around the world with a wide range of materials, products, equipment and solutions, covering nuclear energy, petrochemical, chemical, coal chemical, electronics industry, semiconductor industry, automobile manufacturing, pharmaceutical and other fields.