A Pneumatic actuator mainly consists of a piston or a diaphragm which develops the motive power. Pneumatic actuators are reliant on the presence of some form of pressurised gas or compressed air entering a chamber where pressure is built up.

According to the unified arrangement of Yuhang District Emergency Management Bureau and the street, Dongchen Intelligence carried out 2023 fire operation fire evacuation special drill in the afternoon of May 18.

DCF type nozzles provide excellent atomization, similar to engine atomization nozzles.

The working principle and characteristics of DOCN cage control valve

On November 17th, 2022, Dongchen Valve chairman Luo Linhua and general manager Wang Lihua visited Han’s Laser for learning and exchange.

Flashing occurs when a liquid flows through a control valve and evaporates to retain the vapor.

DOCN Cryogenic Valve

Gate valves—one of the original valve designs—are ideally suited for on-off, primarily liquid, service.

DOCN Globe Valve is suitable to cut off or connect the pipeline medium in pipelines with various working conditions.

On the afternoon of November 30th, after a lot of tests and summing up experience from failures, Dongchen technical team successfully overcame technical difficulties and developed a set of mature and advanced atomizing nozzles ---- rotary adjustable atomi