High strength seismic refuge chamber door Flameproof door of refuge chamber Mine flameproof Refuge chamber door Item NO.: 1948358

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The gate of the refuge chamber is used between the transition chamber and the survival chamber. Protect the safety of personnel in the cave (one set of two fans). Open outwards to prevent water, fire and shock wave.
The two sets of doors of the refuge chamber are divided into waterproof and explosion-proof. The waterproof pressure can be made according to your requirements. The explosion-proof pressure is generally 0.3MPa. The conventional size of the refuge chamber is 800 * 1600800 as the width and 1600 as the height. The size can be customized according to your requirements.
The refuge chamber door is composed of door leaf, door frame made of flat steel plate, rib plate, section steel, etc.; the locking mechanism adopts double close lock; the hinge adopts thrust ball bearing, which is convenient to open.
Function characteristics of isolation door of mine refuge chamber
All steel structures are welded, practical and beautiful, easy to maintain. The door pivot adopts thrust bearing, which can make the door leaf close flexibly and easily. The door is easy to install. It is convenient and quick to use hand wheel input for locking and closing and opening.
Composition of isolation door device of mine refuge chamber
The isolation door of mining refuge chamber is mainly composed of door leaf, door frame, hand wheel and door pivot group
1. The door leaf is composed of shell plate and rib plate, and the rubber strip is used for sealing between the door leaf and the door frame.
2. The door frame is made of channel steel by combination welding. Channel steel and I-beam of the same specification are welded around the door frame.
Technical parameters of isolation door of mine refuge chamber
1. Maximum bearing pressure 1MPa
2. Shock wave overpressure resistance 2500kpa
3. Observation window  200 mm
Guide for selection of isolation door of mine refuge chamber
The common specifications and varieties of mining isolation doors are:
MGL 800 (W) × 1600 (H);
MGL 900 (W) × 1600 (H);
MGL 1400 (W) × 1800 (H);
MGL 1600 (W) × 2000 (H);
Mining isolation doors of other specifications can be customized according to the size required by users.