china coal0001 DN28 Steel Single Hydraulic Acrow Prop Jack Introduction of DN28 Steel Single Hydraulic Acrow Prop Jack Mine DN28 Steel Single Hydraulic Acrow Prop Jack is supporting parts of various frame type hydraulic powered supports in fully mechanized coalface, light duty roof caving coal hydraulic support, for the support of support to help push slip, balance, lateral push function, is the main component of the frame and various parts of the action. Variety Specification of DN28 Steel Single Hydraulic Acrow Prop Jack According to zoning, DN28 Steel Single Hydraulic Acrow Prop Jack can be divided for pushing jack, front beam jack, retractable beam jack, the quilibrium jack, side pushing jack, Jack, anti down Jack, anti-skid jack, slope protecting Jack. How to Use DN28 Steel Single Hydraulic Acrow Prop Jack? 1. Lifting DN28 Steel Single Hydraulic Acrow Prop Jack up by the hydraulic support on the integrated control valve; 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 the friction surface of the jack and affect the sealing effect; Technical Parameter of DN28 Steel Single Hydraulic Acrow Prop Jack ModelMax height (mm)Min height (mm)Distance (mm)working resistance (kn) Working pressure (Mpa)cylinder diameter (mm)base area (mm*2)Weight (kg) DN315-160/9031502450700160259012078 DN28-200/9028002100700200319012074 DN25-250/9025001800700245399012068 DN22-300/902240154070029446.39012060 DN20-300/902000136064029446.39012055 DN18-250/8018001250550245498012045 DN16-250/8016001100500245498012041 DN14-250/8014001000400245498012038 DN12-250/801200870330245498012034 DN10-25/801000720280245498012029 DN08-250/80800590210245498012026 DN06-25/80650510140245498012023