Shijiazhuang Zhongmei Coal Mine Equipment Co., Ltd.

Hydraulic prop

Hydraulic prop
Product Detailed

The series of DW outer-injected single hydraulic prop can be used fro supporting the roof of mining coal face independently.

  The series of DW outer-injected single hydraulic prop can be used fro supporting the roof of mining coal face independently or associated with slide bar or link bar. It is suitable for gently inclined seamw ith a gradient less than25 degree. If safety measures are taken, it is also for coal face with gradient up to 25-35degree. Besides, it can be used as an end support in a fully mechanized mining coal face.

 

 

DW06

DW08

DW10

DW12

DW14

DW16

DW18

DW20

DW22

DW25

DW28

DW31.5

DW35

Work resistance

kN

400

350

300

250

Rated oil pressure

Mpa

42.1

36.8

31.6

26.3

Setting loading force

kN

142.5-190.0

Pump pressure Mpa

15-20

Max. height mm

630

800

1000

1200

1400

1600

1800

2000

2240

2500

2800

3150

3500

Min. height mm

485

785

685

792

900

1005

1110

1240

1440

1700

2000

2350

2700

Stroke mm

145

222

315

408

500

595

690

760

800

Cylinder Dia.mm

110

Areas of base plate cm2

172

Working liquid

M10 or MTD emulsion including 1-2% emulsifiler

Weight  kg

38

40

47

50

54

59

62

66

73

79

91

96

103



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