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The DW25-250/100X single hydraulic prop is suitable for the inclined coal seam stop working face with coal seam inclination less than 25 degrees--35 degrees. The condition of the coal seam top and bot
Contact Us Product CenterThe DW25-250/100X single hydraulic prop is suitable for the inclined coal seam stop working face with coal seam inclination less than 25 degrees--35 degrees. The condition of the coal seam top and bottom plate is: the roof is backward and does not affect the recovery of the pillar, the bottom plate should not be too soft, the pillar Pressing the bottom plate does not damage the integrity of the bottom plate, otherwise the base should be enlarged. When used in the soft coals of the Guns taken work surface, the surface of the cylinder plating should be protected against collapse. When the pillar is used with the wooden top beam or used as a point column, the top cover should be replaced with a column cap to avoid damage to the wooden beam.
The single hydraulic strut and the metal hinged top beam column can be used for any coal mining face with a coal seam inclination below 35°.
Main Parameter of
|
Model project |
Max height （mm） |
Min height （mm） |
workingstroke（mm） |
Rated working resistance KN |
weight （Kg） |
Rated working pressureMPa |
Pump station pressure MPa |
Initial support KN |
Bore diameter（mm） |
Work liquid |
||
|
DW06-300/100X |
630 |
400 |
230 |
300 |
21 |
34 |
15-20
|
108.5-144.7 |
100 |
Emulsion containing 1% to 2% M10 emulsified oil
|
||
|
DW08-300/100X |
800 |
490 |
310 |
24 |
||||||||
|
DW10-300/100X |
1000 |
595 |
405 |
27.5 |
||||||||
|
DW12-300/100X |
1200 |
700 |
500 |
31.5 |
||||||||
|
DW14-300/100X |
1400 |
810 |
590 |
34.5 |
||||||||
|
DW16-300/100X |
1600 |
920 |
680 |
38 |
||||||||
|
DW18-300/100X |
1800 |
1035 |
765 |
42 |
||||||||
|
DW20-300/100X |
2000 |
1150 |
850 |
46.5 |
||||||||
|
DW22-300/100X |
2240 |
1280 |
960 |
51 |
||||||||
|
DW25-250/100X |
2500 |
1430 |
1070 |
250 |
56 |
|||||||
|
DW28-250/100X |
2800 |
1600 |
1200 |
62 |
||||||||
|
DW31.5-200/100X |
3150 |
1780 |
1370 |
200 |
69 |
27.6 |
||||||
|
DW35-200/100X |
3500 |
1960 |
1540 |
75 |
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