Details
ZZDQ nitrogen sealing device, a control valve, actuator, a pressure spring, command and control, pulse tube and other components.
Mainly used for keeping the top of the container to protect gas (usually nitrogen) constant pressure containers, in order to avoid direct contact with air, prevent volatile materials, oxidation, and vessel safety.
Especially suitable for large scale tank of gas seal protection system. The product has the characteristics of energy saving, flexible action, reliable running, convenient operation and repair. Widely used in petroleum, chemical industry etc..
