Refuge chamber protective airtight door Product Overview
Refuge chamber protective airtight door open flexible, fast, reliable, water, gas double sealing, high strength,
which can effectively prevent loss of tangible and intangible, easy installation, can bear the shock wave of
1.0 MPa, and can effectively isolate toxic or harmful gases, has the emergency door and observation window.
Service life can reach more than 10 years.
Refuge chamber protective airtight door Product Features
1.Door has sufficient strength, bearing capacity up to 1.0MPa, can effectively prevent the mine when the
explosion occurred the impact stress wave.
2.rovide a significant position in the door installation of explosion-proof, sealing of multi-channel power cable, compressed air, water and communication node..
3.Effective water, gas seals between the door and frame with different functions double sealed to ensure
that no leakage of water vapor.
4.The appearance is bright and clean, beautiful, do special antirust processing plane sealing surface.
5.Easy to access, both inside and outside at the same time control, manual fast and fast door to facilitate
fast, many times to enter, and to achieve the effect of initial airtight.
6.Observation window and emergency exit, observation window to observe the conditions of adit interior
ministry, hasty passage door in gate jams in and out by accident.
7.Easy installation, no need in the underground compound, the assembly; Door seal plane have special
protection board, in order to manufacture, transportation, installation, concrete casting is not scratch, scratch.
Refuge chamber protective airtight door Main Technical Data
1, the shock wave strength: protective MiBiMen shock wave strength > 0.3 million mpa.
2、size: 800 x 1600 (width x height) 900 x1800 (width x height) can be made according to customer's require.
3、air tightness: under positive pressure to 500 + 20 mpa pressure, pressure release rate of less than
350 + 20 mpa | hours.
Refuge chamber protective airtight door Product Structure
1、each protective airtight doors open outwards two doors from the composition.
2、 the first of protective airtight doors, doors with curved structure, the inner welded stiffener plates.
Door guard stainless steel plate inner surface, sandwiching a layer of asbestos insulation.
3、 the second for the closed door, closed the door on both sides of the panel are made of stainless steel,
the inner stiffener plate welded.
protective airtight doors and door frames four weeks airtight seal groove lined with fireproof sealing strip,
door four weeks with a sealing bead.
5、protective airtight doors and closed doors inside and outside the handwheel and locking devices.
6、 protective airtight doors and closed doors hinged top and bottom side of the door and the door
frame is connected.
7、protective airtight doors and closed doors with a viewing window, highly tempered glass composition,
0.3 MPa or more able to fight the shock wave.