Electrical,handle air valves

The air valves is our new type air valves. It has the advantages of simple and reasonable structure, little leakage, small friction torque, flexible rotation, good blade rigidity, corrosion resistance and variety.  It can be widely used in industrial and civil air conditioning and ventilation systems, in order to achieve precise control of air flow purposes.                                     

Duct check valves

Check valve is generally used in air-conditioning duct is to stop the air back.