2016 Jining Guolong DFB1600/200 π beam

Type beam long beam
D long beam D metal roof beam D cross-shaped roof beam D double wedge roof beam D hinged roof beam D-type metal roof beam
D metal roof beam model D, D
D long beam metal roof beam model: D (,,,,,,,,,,,,,,,,,)
Cross-shaped metal roof beam model D*(,,,,)
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Double wedge top beam model D
D metal top beam model
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D metal roof beam: D/ D/ D/ D/
D type roof beam type roof beam type metal roof beam type roof beam
D The purpose of the long roof beam is to form a metal bracket with a single hydraulic prop for the support of the gently sloping and medium-thick coal seam mining working face in coal mines
The D-type roof beam can cantilever support the working face roof with a long span and achieve a larger working face. The support-free working space creates favorable conditions for improving working conditions and adopting new coal mining machinery and curved conveyors.
The model number of D-shaped roof beam in coal mine procurement is
Parameters
Specifications:
Material:
Length: -
Width:
Height ：
Thickness:
Weight: ./
Beam load-bearing capacity:
Quenching and tempering hardness:
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
Metal long beams hinged top beam handover top beam D metal top beam D metal top beam D ( -)/ D(-)/type metal roof beam #metal roof beam cross metal roof beam double wedge metal roof beam D type metal roof beam type metal roof beam D type metal roof beam DD metal roof beam
double wedge roof beam D */Cross type roof beam D*/Cross type roof beam
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
D metal roof beam type roof beam type metal roof beam metal roof beam D(-)/ metal roof beam D/metal roof beam D/metal roof beam D/metal roof beam D/metal roof beam#metal roof beam type metal roof beam type hinged roof beam good luck metal roof beam manufacturer metal roof beam high quality metal roof beam the best metal roof beam direct sales metal roof beam metal long beam hinged roof beam transfer roof beam D metal roof beam D metal roof beam
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