Automatic return valve

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Automatic return valve

Labyrinth control valve has a labyrinth-design pressure reducer added in valve passage


Coal chemical industry valve


The company consists of five divisions, including special valves, safety valves, fluid and rotating machinery, and thermal engineering, which mainly provide special valves, special pumps, combustion thermal equipment and unit engineering general contracting services. Aerospace Petrochemical is a resource market member of Sinopec, PetroChina, and CNOOC, and a supplier of key petrochemical companies such as Yizheng Chemical Fiber, Qilu Petrochemical, Jinling Petrochemical, and Hainan Refining and Chemical.

☆ For the export of centrifugal pumps, automatic sensing and adjustment of flow, to meet the minimum requirements of the pump flow.

☆ High pressure forging shell, multi-stage pressure reducing structure, effective anti cavitation.

☆ CE certification, supply nominal pressure range 150Lb-4500Lb.

☆ Domestic high pressure backflow valve application performance. 2015 successfully entered the field of nuclear power.

☆ Ultra high pressure differential return valve (working pressure 24MPa), the export of Iran, India, Pakistan and other countries.


Low pressure return valve 

High pressure return valve

Super high pressure return valve


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