Shijiazhuang Zhongmei Coal Mine Equipment Co., Ltd.

Hydraulic Single Prop

Hydraulic Single Prop
Product Detailed

for temporary roof supporting in the lane, especially when carrying out lane maintenance and road heading.

1.constant resistance prop with hydraulic oil supply outside.

 

2. nonmetallic material to make it portable, erosion resisted and easy to operate.

3. emulsion or static pressure water as the medium.

4.for various working environment.

 

All the key parts (movable prop, cylinder, pedestal, reset spring, etc.) adopt advanced erosion resisted technology and can resist acid and alkali corrasion

 

5.lignt weight

 

 Its weight is only 40% of steel prop with same height, it reduces the labor intensity and improve working efficiency.

 

MMODEL

PARAMETER

DWB

22-30/100

DWB

22-30/100

DWB

25-30/100

DWB

28-30/100

DWB

35-30/100

MAX.HEIGHT

(mm)

2240

2500

2800

3150

3500

WORKING EXTENSION

(mm)

570/820

RATED RESISTANCE

(kN)

30

RRATED HYDRAULIC PRESSURE

(MPa)

3.8

SHORING POWER

(kN)

30

INNER DIAMETER OF HYDRAULIC CYLINDER (mm)

φ100

RELIEF VALVE RATED HYDRAULIC PRESSURE (MPa)

3.8

WEIGHT (kg)

21

22

22.5

25

27

MEDIUM SUITABLE WORK RANGE

,EMULSIFICATING FLUID, H  YDROSTATIC WATER

 

PLEASE CONTACT US FOR FURTHER INFORMATION.

Post 050035

Tel +86311 85323557
+86311 85323558

Fax +86311 85323559

 

 

 

 



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