Dn28 Steel Single Hydraulic Acrow Prop Jack for Coal Mining

Introductionof DN28 SteelSingle HydraulicAcrow Prop JackMine DN28 Steel Single Hydraulic Acrow Prop Jack is supporting parts of various frame type hydraulic powered supports in fully mechanized coalface, light duty roofcaving coal hydraulic support, for the support of support to help push slip, balance, lateral push fu nction, is the main component of the frame and various parts of theaction.VarietySpecificationof DN28 SteelSingle HydraulicAcrow Prop JackAccording to zoning, DN28 Steel Single Hydraulic Acrow Prop Jack can be divided for pushing jack, front beam jack, retractable beam jack, the quilibrium jack, sidepushing jack, Jack, anti down Jack, anti-skid jack, slope protecting Jack.How to Use DN28 SteelSingle HydraulicAcrow Prop Jack?1.LiftingDN28 SteelSingle HydraulicAcrow Prop Jack upbythehydraulicsupportontheintegratedcontrolvalve;2.Should be used to meet the requirements of the MT76 emulsion. The emulsion should be kept clean, and replaced in time to prevent damage to thefriction surface of the jack and affect the sealing effect;
TechnicalParameterof DN28 SteelSingle HydraulicAcrow Prop JackModelMax
height(mm)Min
height(mm)Distance(mm)working
resistance(kn)
Working
pressure(Mpa)cylinder
diameter(mm)basearea(mm*2)Weight(kg)DN315-160/9031502450700160259012078DN28-200/9028002100700200319012074DN25-250/9025001800700245399012068DN22-300/902240154070029446.39012060DN20-300/902000136064029446.39012055DN18-250/8018001250550245498012045DN16-250/8016001100500245498012041DN14-250/8014001000400245498012038DN12-250/801200870330245498012034DN10-25/801000720280245498012029DN08-250/80800590210245498012026DN06-25/80650510140245498012023