Anti-shock mining airtight door

Product Introduction

1 The airtight door is made up of steel plate,stiffened plates,ring beam and other combinations.
2 Door frame adopts channel steel, I-beam  
3 Tension device is  wedge slide

4 Hinges supported by rolling bearing 

Main Parameter

The airtight door maximum pressure is 98KPa,Based on cave outlet size, can be divided into four specifications.

Model Example:      

   Number      Model,Specification       Drawing No.

            1       MMB1.4*1.8               B85-373(1)
            2       MMB1.6*1.8               B85-373(2)
            3       MMB1.8*2.0               B85-373(3)
            4       MMB2.1*2.0               B85-373(4)
 

Airtight door Model Meaning

MMB(Airtight door) 
1.4( net width through the cave:1400mm) 
1.8(net height through the cave:1800mm)