Underground 2.5 Meters DN Inner Injection Single Hydraulic Prop Mining Support Tools

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 PropModelDN25DN28DN31.5DN35DN38DN40DN42DN45Max Height mm25002800315035003800400042004500Min Height mm18002100245028003100330035003800Working Limit mm700       Rated Working Resistance kN250 160 150   Rated Working Pressure MPa39.3 25.1 15.7   Cylinder Inner Dia mm90   110   Initial Support kN68.7-78.5       Base Area cm2120   147   Max. Torque On Handle N.m30       Working Medium5#Hydraulic oil       Weight kg687478869195113119Pictures of Underground 2.5 Meters DN Inner Injection Single Hydraulic Prop    /* March 10, 2023 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(",").forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1