Shandong China Coal Industrial & Mining Supplies Group Co., Ltd.  

Product Name: Underground 2.5 Meters Dn Inner Injection Single Hydraulic Prop Model NO.: DN series Standard: GB Certification: CE, RoHS Model: Dn315-160/90 Max Height (mm): 3150 Min Height (mm): 2450 Distance (mm): 700 Working Resistance (Kn): 160 Working Pressure (MPa): 25 Cylinder Diameter (mm): 90 base Area (mm*2): 120 Weight (Kg): 78 Transport Package: Export Standrad Package Origin: Jining City, Shandong Province, China Product Description Structure of Underground 2.5 Meters DN Inner Injection Single Hydraulic PropUnderground 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 2.5 Meters DN Inner Injection Single Hydraulic PropDN 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.Parameter of Underground 2.5 Meters DN Inner Injection Single Hydraulic PropModelMaxheight (mm)Minheight (mm)Distance (mm)workingresistance (kn)Workingpressure (Mpa)cylinderdiameter (mm)base area (mm*2)Weight (kg)DN315-160/9031502450700160259012078DN28-200/9028002100700200319012074DN25-250/9025001800700245399012068DN22-300/902240154070029446.39012060DN20-300/902000136064029446.39012055DN18-250/8018001250550245498012045DN16-250/8016001100500245498012041DN14-250/8014001000400245498012038DN12-250/801200870330245498012034DN10-25/801000720280245498012029DN08-250/80800590210245498012026DN06-25/80650510140245498012023Pictures of Underground 2.5 Meters DN Inner Injection Single Hydraulic Prop