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DW Single Hydraulic Prop

DW single hydraulic prop is a constant for the fluid outside the resistive pillars with metal roof beams, used in coal mine stope roof support, can be used for mechanized mining face end support and t

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Introduction Of  Single Hydraulic Prop

DW single hydraulic prop is constant resistive pillar, which can match with a variety of roof beams and also could be used as the primary column. Mechanized coal mining for coal generally or blasting mining face plate supporting items are also available for mechanized coal face end support or other temporary support to use.

DW single hydraulic prop with metal hinged roof beams for general mechanized coal mining face gun and mechanized mining face ends with a roof or temporary payment for coal seam angle is less than 25 ° of face, to take certain measures, also can be used to dip 25 ° - 35 ° stopes. This series of hydraulic prop, good stability, technical performance advantages prominent, high-grade coal mining face will be the single support height from 2.5 meters to 3.5 meters, 3.5 meters below the coal mining can achieve one full-height, while for the coal seam thickness of 4.5 m below provides end face and advance support.

Characteristic Of  Single Hydraulic Prop

1, Long working stroke , especially for large height variation face of underground roof.

2, Apply inner bore seal bump- resistance in the underground, with a wide range of use.

3, Never broken. Using friction welding, the weld is not broken.

4, Uses a new sealing device, remove the DZ-type pillar between the piston and plunger leakage point, safe and reliable.

5,Level of support available.

6, High strength, no bend.

Model significance Of  Single Hydraulic Prop

For example DW25-250/100:

D-Representative hydraulic prop

W-representatives out injection type

25 - Maximum height of the pillar

250 - as the pillar of the rated working resistance

100 - as the pillar of the cylinder diameter

Parameter Of  Single Hydraulic Prop

Main technical characteristics: Type Rated resistance (kN) rated hydraulic pressure (MPa) initial support force (kN) hydraulic pump (MPa) Maximum height (mm) Minimum height (mm) Working stroke (mm) Bore (mm) use of work liquid mass (kg)br /> DW35-150/100 150 19.1 118~150 15~20 3500 2700 800 100 coal 10(M10)emulgator (or contain MDT10 emulgator)2%emulsified liquid 88
DW31.5-200/100 200 25.5 118~157 15~20 3150 2350 800 100 coal10(M10)emulgator(or contain MDT10emulgator)2%emulsified liquid 78.8
DW28-250/100 250 31.8 118~157 15~20 2800 2000 800 100 coal10(M10)emulgator(or contain MDT10emulgator)2%emulsified liquid70
DW25-250/100 250 31.8 118~157 15~20 2500 1700 800 100 coal10(M10)emulgator(or contain MDT10emulgator)2%emulsified liquid 58
DW22-300/100 300 38.2 118~157 15~20 2240 1440 800 100 coal10(M10)emulgator(or contain MDT10emulgator)2%emulsified liquid 55
DW20-300/100 300 38.2 118~157 15~20 2000 1240 760 100 coal10(M10)emulgator(or contain MDT10emulgator)2%emulsified liquid 51.5
DW18-300/100 300 38.2 118~157 15~20 1800 1110 690 100 coal 10(M10)emulgator(or contain MDT10emulgator)2%emulsified liquid 47
DW16-300/100 300 38.2 118~157 15~20 1600 1005 595 100 coal 10(M10)emulgator(or contain MDT10emulgator)2%emulsified liquid 43.5
DW14-300/100 300 38.2 118~157 15~20 1400 900 500 100 coal 10(M10)emulgator(or contain MDT10emulgator)2%emulsified liquid 40
DW12-300/100 300 38.2 118~157 15~20 1200 792 408 100 coal 10(M10)emulgator(or contain MDT10emulgator)2%emulsified liquid 36.3
DW10-300/100 300 38.2 118~157 15~20 1000 685 315 100 coal 10(M10)emulgator(or contain MDT10emulgator)2%emulsified liquid 32
DW08-300/100 300 38.2 118~157 15~20 800 578 222 100 coal 10(M10)emulgator(or contain MDT10emulgator)2%emulsified liquid28.2
DW06-300/100 300 38.2 118~157 15~20 630 485 145 100 coal 10(M10)emulgator(or contain MDT10 emulgator )2%emulsified liquid 251

Photo Of  Single Hydraulic Prop


Due to production batch, the specific model, the above pictures for reference only, you can contact our sales staff for specific verification.


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