• DN Mining Supporting Acrow Prop Single Hydraulic Prop

DN Mining Supporting Acrow Prop Single Hydraulic Prop

Certification: CE, ISO 9001:2000, ISO 9001:2008
Standard: GB
Surface Treatment: Galvanized
Manufacturing Process: Stamping
Material: Stainless Steel
Transport Package: Carton Box, Plastic Bagsor
Customization:
Diamond Member Since 2018

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Basic Info.

Model NO.
DN25-250/90
Specification
Hydraulic Prop
Trademark
JIUXING
Origin
China
HS Code
8428909090
Production Capacity
10000PCS/Month

Product Description

DN Mining Supporting Acrow Prop Single Hydraulic Prop
Structure of Underground DN Inner Injection Single Hydraulic Prop
Underground DN Inner Injection Single Hydraulic Prop as internal structure of the mine for the fluid hydraulic prop, mainly consist by the roof, ventilation valve, cylinder, live cylinder, piston, hand pump, unloading valves, safety valves and handles body and other component parts.
Underground DN Inner Injection Single Hydraulic Prop plays a big role in the mine roadway support, get the acceptance and use of country's major coal mines customers, it is simple, easy to use, without liquid injection, the direct use hand crank to complete hydraulic prop lift column and drop column.
Application of Underground DN Inner Injection Single Hydraulic Prop
DN inner injection single hydraulic prop could be applied for coal mining face of the roof support and the end plate supporting the head, because of its large carrying capacity, anti-bias load capacity, large working stroke, using a wide range, so it can be used in thin coal seam, thick coal seam or over thick coal seam.
Advantages of Underground DN Inner Injection Single Hydraulic Prop
1. The working fluid of Underground DN Inner Injection Single Hydraulic Prop is the 5th hydraulic oil, back to the column when the hydraulic oil flow back into the cylinder plunger cavity to form a closed loop;
2. Does not require pumping and piping systems, auxiliary equipment, low cost; 3. Mains and pumping stations in the absence of local still use, flexibility, easy management and simple;
4. Since the working fluid is a closed loop, prop prop hydraulic oil flowing back when the plunger cavity pillar itself to achieve closed loop hydraulic oil, hydraulic oil consumes very little;
5. Prop hydraulic system for the closed system, hydraulic oil does not spill, do not pollute the environment, environmental protection, and face the production of small, well maintained face environment, better working conditions;
6. Prop valve is fully installed in the pillar cavity , the possibility of contamination by outside the small, high reliability.
Parameter of Underground DN Inner Injection Single Hydraulic Prop
Model Max
height (mm)
Min
height (mm)
Distance (mm) working
resistance (kn)
 
Working
pressure (Mpa)
cylinder
diameter (mm)
base area (mm*2) Weight (kg)
DN315-160/90 3150 2450 700 160 25 90 120 78
DN28-200/90 2800 2100 700 200 31 90 120 74
DN25-250/90 2500 1800 700 245 39 90 120 68
DN22-300/90 2240 1540 700 294 46.3 90 120 60
DN20-300/90 2000 1360 640 294 46.3 90 120 55
DN18-250/80 1800 1250 550 245 49 80 120 45
DN16-250/80 1600 1100 500 245 49 80 120 41
DN14-250/80 1400 1000 400 245 49 80 120 38
DN12-250/80 1200 870 330 245 49 80 120 34
DN10-25/80 1000 720 280 245 49 80 120 29
DN08-250/80 800 590 210 245 49 80 120 26
DN06-25/80 650 510 140 245 49 80 120 23

 

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