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1. Large work schedule and low cost of safety management: Each specification can replace 2-4 specifications of traditional piston type single props, which reduces the frequency of different types
Contact Us Product Center1. Large work schedule and low cost of safety management:
Each specification can replace 2-4 specifications of traditional piston type single props, which reduces the frequency of different types of unit pillars due to the change of working face height and the displacement of the roadway by the top plate and the bottom plate, which reduces the labor intensity of workers. And additional spare quantities for the pillars.
2. High support strength, good safety and stability:
The pillars have no bearing welds, and the pillars adopt the suspension technology principle. The suspension force generated by the high pressure liquid directly acts on the top cover end, reaching four-fifths of the working resistance, and the column is only one-fifth of the force, which greatly enhances the support stability and carrying capacity.
3. the leak is easy to find, safe and reliable:
Due to the structural improvement of the single hydraulic prop, Avoid the detachment of the top of the pillar. Once the hydraulic props are leaked, they can be directly inspected by the naked eye at the downhole site. The pillars can be replaced at any time. The tighter the sealing surface is, the less likely it is to leak.
4. long service life, easy operation and maintenance:
The overall structure is simple, the service life is long, the operation is convenient, the maintenance is easy, and the pillar uplifting and maintenance rate can be greatly reduced.
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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