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DN Series Close Type Hydraulic Prop

FOB Price:
1000-2000/Get Latest Price
Minimum Order Quantity:
1 Set/Sets
Supply Ability:
20 Set/Sets Time
Payment Terms:
L/C,T/T,

Specifications

DN Series Close Type Hydraulic Prop

DN  Series Close type hydraulic prop is normally used for the roof support of coal mining face independently or associated with slide bar or articulated steel beam。 It is suitable for gently inclined seam with a gradient less than 25 degree。 If safe measuresa are taken, it also can be used for coal face with gradient up to 25-35 degree。 Besides, it also could be used as end support in fully mechanized coal mining face。


Features:

1。Light weight, easy and convenient to operate, and no need emulsion supply。

2.Reliable in sealing, and fast to set up and easy to retract.

3。No emulsion drainage while retracting, so it keeps a clean working condtion

Model  

Item

DN04

DN05

DN06

DN08

DN10

DN12

DN14

DN16

DN18

Max。 Height

(mm)

410±10

510±10

650±10

800±10

1000±10

1200±10

1400±20

1600±20

1800±20

Min。 Height

(mm)

340

390

510

590

700

850

1000

1100

1200

Work Stroke (mm)

70±10

110±10

140±10

210±10

300±10

350±20

400±20

500±20

600±20

Rated work resistance ( kN)

250

Rated oil pressure (Mpa)

49.0

Cylinder inner diameter (mm)

 80

Setting load (kN)

49

68.7-78.5

Base area (cm2)

102

Max. torque on handle (N.m0

200

 Rise distance upon one cylce of handle

(mm)

≥12

≥20

Descent speed (mm/s)

20

 >30

Work medium

5# Hydrualic oil

Weight (kg)

19

20

23

26

29

34

38

41

45

Oil capacity (liter)

0.4

0。5

1

1.3

1。7

2。1

2。5

3

3。3

Applicable coal thickness (m)

0。4

0。5

0.6

0.8

1.0

1。2

1.4

1.6

1.8



                       Model

Item

DN20

DN22

DN25

DN28

DN31。5

DN35

DN35

DN38

DN40

DN42

DN45

Max。 height (±20mm)

2000

2240

2500

2800

3150

3500

3500

3800

4000

4200

4500

Min Height (mm)

1390

1540

1800

2100

2450

2800

2800

3100

3300

3500

3800

Work stroke (±20mm)

610

700

Rated work resistance  (kN)

300

250

160

150

Rated oil pressure (Mpa)

46。3

39.3

25.1

15.7

Cylinder inner diameter (mm)

90

110

Setting load (kN)

68.7-78.5

Base area (cm2)

120

147

Max. torque on handle (N.m)

200

Rise distance upon one cylce of handle

(mm)

≥20

Descent speed (mm/s)

30

Work medium

5# hydraulic oil

Weight (kg)

55

60

68

74

78

86

91

95

99

113

119

Oil capacity (liter)

2.0

2.2

2。5

2。8

3.15

3。5

3。8

4.0

4.2

4。5


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Hebei Anma Mech&Elec Technology Co., Ltd

  • China (Mainland)China (Mainland)
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  • Mr.Mike Yu
  • 0311 8986 4755
  • No.178 Shengli North Street, Shijiazhuang city

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