Metal roof beam D(-)/metal roof beam
D type roof beam type roof beam type metal roof beam type roof beam
D long roof beam is used to form a metal support with a single hydraulic prop for coal mines The D-shaped roof beam can be used to support the mining working face of gently sloping medium-thick coal seams. Coal mining machinery and curved conveyors have created favorable conditions.
The model number of D-shaped roof beam in coal mine procurement is
Parameters
Specifications:
Material:
Length: -
Width:
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Beam load-bearing capacity:
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Features:
The D-shaped top beam is made of # Made of butt-welded steel
The weld is on the center surface of the beam body, so it is not easy to cause weld cracking
It is made of #-shaped steel butt-welded, so it is not easy to cause distortion and damage
It can be used during use Self-straightening and maintenance by using mine pressure are convenient
D-shaped beams have large load-bearing capacity and can be used to press large working surfaces in cycles
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Metal metal roof beam. Meter handover roof beam Shandong roof beam Jining roof beam
. Meter long row beam type roof beam
Cross type metal Long row of roof beams, long metal beams
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2016 Jining Guolong DFC roof beam is on sale