1.8 MMB MMB1.6 *

MMB1.6*1.8 Closed-door introduction

The closed door is used in the downhole main substation and main drainage pump room to the underground vehicle yard access, environmental factors, the door is easy to close, in order to prevent sudden water immersion.

MMB1.6*1.8 Technical parameters of closed door

Example: MMB1.6 * 1.8

MMB(Closed door)

1.6(net pass width of adit mouth 1600mm)

1.8(net pass height of adit mouth 1800mm)

Thickness of steel plate: 10 thicknesses (all national standard thickness)

Weight: 1210kg.

MMB1.6*1.8 Main structure with closed door

1. The door doors are welded with flat steel plates, tic-tac-toe rebar plates, ring beams, etc.;

2. The door frame is a combination frame structure of channel steel and I-steel;

3. The tension device is wedge-shaped slider wedging;

4. The door hinge is supported by rolling bearing.

MMB1.6*1.8 Physical picture of closed door