Airtight door

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Airtight door

Airtight door

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Airtight door Main Structure 1 The airtight door is made up of the flat steel plate,stiffened plates,ring beam and other combinations. 2 door is channel steel, I-beam composite frame 3 tensioning device is a wedge-shaped wedge slide Airtight door is u

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Airtight door Main Structure

1 The airtight door is made up of the flat steel plate,stiffened plates,ring beam and other combinations.
2 door is channel steel, I-beam composite frame
3 tensioning device is a wedge-shaped wedge slide
Airtight door is used for underground drainage pump room to the bottom of the main substation and the main channel, 

easy to close, in order to prevent the water suddenly immersed.

Airtight door Parameters

The airtight door maximum pressure is 98KPa,Based on cave mouth 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)
MMB1.4*1.8

Airtight door Model Meaning

MMB(Airtight door)
1.4(through the cave mouth net width1400mm)
1.8(through the cave mouth net height1800mm)


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