The specific performance table parameters are subject to the test report!

Purpose and characteristics:

It is installed in the air supply and exhaust pipes. When ventilation (air supply) is started due to positive pressure, when air supply is stopped, the valve will close automatically due to the gravity of blades and heavy hammers to prevent gas backflow. However, the wind speed in the air duct shall not be less than 8m / s. (it can be used as explosion-proof type and pneumatic type)

Description:

Rectangular check valve model t303-2, circular check valve model t303-1. The size can be customized according to customers' needs.