Pressure/Vacuum Relief Valves

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Pressure/Vacuum Relief Valves

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


Protection 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.

☆ HT pressure/vacuum relief valves provide a safety protection solution for storage tanks.

☆ Meet the special needs of storage tanks loaded with special mediums of low temperature, highly poisonous, strongly corrosive, crystallizable, flammable or explosive characteristics.

☆ Designed and manufactured in accordance with international standard API2000.

☆ HT pressure/vacuum relief valves have been exported in batches to UK, Sudan, India, Vietnam, South Korea, Burma, Algeria, etc.




Usual Pressure/Vacuum Relief Valve:

Used in normal working condition



Emergency Relief Valve: Used in fire condition



Gas Blanket Regulator:

Regulate the gas blanket pressure

Pilot Operated PRV: Complex & special medium

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