DW single hydraulic prop
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DW single hydraulic prop
Other Names:
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 f
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Product Detail:
Product Introduction
Product Detail:
Profile
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 faceend 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
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
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
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)emulgato
(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
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