Manual exhaust valve is suitable for water-based closed systems such as heat dissipation and cooling, such as the wind power industry, HVAC industry, etc. It is suitable for manually and quickly discharging air from the system during debugging, fluid change, and replenishment.
Loosen the exhaust valve cap for exhaust, and tighten the cap after exhaust is complete. There are "+" and "-" markings on the valve cap, indicating the size of the exhaust hole opening.

Working pressure