The non-pressure damper (pressure balance damper) is mainly used in each connecting alley between the intake and return air lanes in the underground c...
Overview of SWM automatic non - pressure damper
The non-pressure damper (pressure balance damper) is mainly used in each connecting alley between the intake and return air lanes in the underground coal mine. The non-pressure damper of our company is the replacement product of the damper currently used. Non - pressure damper has full transparent type, normal type. The specifications and varieties of non-pressure damper can be customized according to the user's requirements.
Working principle of SWM automatic pressure-free damper
Under the condition of manual operation, when the harvist needs to go through the damper, manually press the "open" control button of door A, door A opens, and door B closes at the same time, two doors open and close at the same time, also accompanied by voice prompt signal. Similarly, press the "close" control button of door A. Door A closes while door B opens.
SWM automatic non - pressure damper main performance
1. The opening force is small and has nothing to do with the size and direction of the wind pressure in the tunnel;
2. Two-way air isolation, no reverse damper is required;
3.After the three-person car, the damper can be automatically closed;
4. Two-way sealing, small air leakage;
5. Smooth closing, safe and reliable;
6. Anticorrosion, moisture-proof, fire-proof, high strength and low deformation;
7 Latching can be realized between two doors;
The system is simple and easy to maintain.
SWM type automatic damper body structure without pressure
The door body is mainly composed of door frame, door fan, sealing baffle and sealing material, etc., which is sealed with felt around. The door frame is welded steel with bias diagram (facing the wind pressure direction).
SWM automatic pressure-free air valve physical drawing