Explosion refuge chamber door manufacturers

Door manufacturers refuge chamber where? Protective closed doors and closed doors for coal mine refuge chamber. Outside the first line of defense closed doors is not more than 0.3 MPa can withstand shock, but also to stop the poisonous gas into the refuge chamber, also has a waterproof, every gentle noise reduction; a second channel can stop the poisonous gas closed doors closed doors . Mine blast doors refuge chamber, mine blast doors parameters, characteristics refuge chamber explosion-proof doors, blast doors refuge chamber with asylum. Installation ????? a, a first line of defense are installed in a closed refuge chamber. Door wall in strength, tightness, surrounded by pottery groove depth should follow the "coal mine emergency system construction and management of the Interim Provisions" Article 19 provisions. ????? B, the guard closed doors and closed doors installed, the doors should open outwards. ????? C, protective closed doors and closed doors installation should be sealed and reliable, open and close flexible. ?? 2, use ????? a, when you need to open the protective closed doors and closed doors, from inside and outside can turn the handwheel clockwise direction (the direction indicated by the arrow), open the closed door locking device, sliding closed door, you can open the protective closed doors. ????? B, the rear guard closed doors and closed doors closed doors, turn the handwheel counterclockwise (direction indicated by the arrow), the closed door locking device locked to ensure reliable sealing closed doors. ????? C, when the emergency use of the seal of the door shall be in accordance with the relevant provisions of miners hedging emergency system should normally protective closed doors. Sebang Shandong Mining Machinery Co., Ltd. Tel: 155-631-66552 132-580-22141 0537-3752-565 Contact: Mr. Yang (mine door model is complete, the downhole qualification is complete)