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DW Single Adjustable Steel Hydraulic Props

DW Single Adjustable Steel Hydraulic Props is constant resistive pillar, which can match with a variety of roof beams and also could be used as the primary column.

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Introduction of DW Single Adjustable Steel Hydraulic Props

DW Single Adjustable Steel Hydraulic Props 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 ° stops. 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.

Characteristics DW Single Adjustable Steel Hydraulic Props

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 DW Single Adjustable Steel Hydraulic Props

For example DW25-250/100:
D-Representative hydraulic prop
W-representatives out injection type

Parameter of DW Single Adjustable Steel Hydraulic Props

Type

Unit

DW35

DW31.5

DW28

DW25

DW22

DW20

DW18

DW16

DW14

DW12

DW10

DW08

DW06


Max Height

mm

3500

3150

2800

2500

2200

2000

1800

1600

1400

1200

1000

800

600

Min Height

mm

2700

2350

2000

1700

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

Net Weight

kg

82.8

76.4

70

58

55

49

47

43.6

39.9

36.3

32

26.7

26.5

Rated resistance

kN

150

200

250

300

Rated Fluid Pressure

Mpa

19.1

25.5

31.8

38.2

The First Sustaining Load

kN

118--157

Pump Station Pressure

Mpa

15or20

Column Lifting Speed

mm/s

>=60

Column Descending Speed

mm/s

>=40

Diameter of oil cylinder

Mm/s

100

The Base Area

cm2

113

109

Service Substance


Coaly(MD10 emulgator)emulgator or emulgator 1-2% emuision

Pictures of DW Single Adjustable Steel Hydraulic Props

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