Atlas S4
The ATLAS S 4 is the only hydraulic prop having the valve cartridge inlet welded upon the cylinder, outside the prop. It a solution for long strokes, but the hydraulic prop needs more attention while is working underground or just stored.
The ATLAS S 4 is the only hydraulic prop having the valve cartridge inlet welded upon the cylinder, outside the prop. It a solution for long strokes, but the hydraulic prop needs more attention while is working underground or just stored.