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Single Hydraulic Prop Information

Single hydraulic prop is a new environmentally friendly support equipment, both hinged roof beams and the metal used for supporting high-grade conventional mining and use of face support artillery and mechanized mining face roof support ends can also be done individually point support columns or other temporary use.
Single hydraulic prop for seam angle is less than 25 degrees - 35 degrees inclined coal seam mining face, the adaptation of the coal seam roof and floor conditions are: roof pillars behind do not affect the recovery of base should not be too soft, prop depth is not pressed into the floor deterioration of the integrity of the base plate, or should increase the base. .

In the coal mining face relatively loose cannon when used on the live cylinder coating surface to take protective measures to prevent collapse. With wooden roof beams and pillars or columns used to do, you should replace the column caps cover to prevent damage to wooden beams.

Single Hydraulic Prop Classification
Suspension Single Hydraulic Prop
Double Telescopic Suspension Single Hydraulic Prop
DN Inner Injection Single Hydraulic Prop
FRP(glass fiber reinforced plastics) Single Hydraulic Prop










Please contact sales for confirm.
Single Hydraulic Prop Features
Long Working Stroke
especially for large height variation face of underground roof.
High Supporting Strength
Weld-free and adopts suspension technology, high pressure liquid suspension directly act at the top end, reached four-fifths of resistance, force only one-fifth columns, greatly improving supporting stability and load capacity.
Leakage Easy to be Found
The improved structure avoids the spill within virtual top, take off the top of the prop. Once leaked, will be able to check directly with the naked eye at the underground site.
Easy to Maintaince
Simple structure, assembly and disassembly convenient, easy to maintain, secure, reliable, and so on.

Single Hydraulic Prop Parameters
Item | Unit | DW35 | DW31.5 | DW28 | DW25 | DW22 | DW20 | DW18 | DW16 | DW2214 | DW12 | DW10 | DW8 | DW6 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Max Height | mm | 3500 | 3150 | 2800 | 2500 | 2200 | 2000 | 1800 | 1600 | 1400 | 1200 | 1000 | 800 | 600 |
Min. Height | mm | 2700 | 2350 | 2000 | 17. | 1440 | 1240 | 1110 | 1005 | 900 | 792 | 685 | 578 | 485 |
Working Stroke | mm | 800 | 800 | 800 | 800 | 800 | 760 | 690 | 595 | 500 | 408 | 315 | 222 | 145 |
Weight | kg | 82.8 | 76.4 | 70 | 58 | 55 | 49 | 47 | 43.6 | 39.9 | 36.3 | 32.0 | 26.7 | 23 |
Valve-Beam Distance | mm | 250 | 527 | 267 | 132 | |||||||||
Working Load | KN | 200 | 200 | 31.8 | 250 | 300 | ||||||||
Working Hydraulic Pressure | Mpa | 25.5 | 25.5 | 31.8 | 38.2 | |||||||||
Initial Supporting Power | KN | 118-157 | ||||||||||||
Pump Station Pressure | Mpa | 15-20 | ||||||||||||
Rise Speed | mm/s | ≥60 | ||||||||||||
Fall Speed | mm/s | ≥40 | ||||||||||||
Oil Cylinder Dia | mm | Φ100 | ||||||||||||
Base Square | c㎡ | 113 | 113 | 113 | 109 | |||||||||
Actuating Medium | 2%Emulsion |
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DWQ Underground Inner Injection Single Hydraulic Prop
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DWX Suspension Single Hydraulic Acrow Props
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DWS Double Telescopic Suspension Acro Prop
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DWB Light Single Mining Hydraulic Prop
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DW Single Hydraulic Prop
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DN Inner Injection Single Hydraulic Prop
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Steel Single Hydraulic Acrow Prop Jack
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FRP Single Hydraulic Acrow Props
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DWXA Suspension Single Hydraulic Prop
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