DWXA Underground Mining Tunnel Single Hydraulic Supporting Prop Introduction of DWXA Underground Mining Tunnel Single Hydraulic Supporting Prop DWXA Underground Mining Tunnel Single Hydraulic Supporting Prop is improved based on DW mine single hydraulic prop product. The product with advantages of good stability, outstanding technical performance is widely used in the production of its traditional wooden pillars supporting metal friction compared with high recovery, supporting safe and reliable, working resistance constant, setting load is high, the use of flexible benefits. Outer injection DWXA Underground Mining Tunnel Single Hydraulic Supporting Prop can be used alone or in combination with metal hinged roof beams supporting the use, can be used in coal seam dip is less than 25. And if take certain measures, can also be used for angle 25 - 35 mining face. Stope roof gently inclined to pay, but also for mechanized coal face end support or temporary support available. Parameter of DWXA Underground Mining Tunnel Single Hydraulic Supporting Prop ModelMax Height (mm)Min Height (mm)Working Stroke (mm)Working Resistance (mm)Weight (kg)Working Range (mm)Rate Working Pressure (MPa)Pump Station Pressure (MPa)Initial Force (KN)Working Liquid DW45--220/110X(A)4500252019802201032485ï½?450024.915 ï½? 20132 ï½? 176Emulsion