Quick-close Damping Check Valve

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Quick-close Damping Check 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.

☆ Quick-close damping check valve is installed in outlet of blower or compressor, providing active protection.

☆ When fluid passes through in a positive direction, damping and buffering system will allow the valve open smoothly, effectively reducing shock and vibration.

☆ When fluid is upstream, control system will implement the rapid closure to protect the blower or compressor.

☆ Supply scope of size 4 " to 64", widely used in MTO, catalytic cracking, propane dehydrogenation devices, etc.


  60-inch valve used online

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