External injection type monolithic Steel Acrow Props: the pressure oil is provided through external Steel Acrow Props pump station to realize the lifting and supporting of the pillar.
Internal injection type monolithic Hydraulic Acrow Props : with its own pump and with the same, support set up with a hand crank to shake the column can be quickly ascending, descending column does not discharge the working fluid, can better protect the working environment, and easy to use, flexible management, simple equipment.
Suspended monolithic Hydraulic Acrow Props : It is one kind of external injection monolithic hydraulic pillar, but with more significant advantages. It adopts the principle of plunger levitation technology, the levitation force reaches four-fifths of the working resistance, and the force on the column is only one-fifth.
This makes the levitated monolithic Hydraulic Acrow Props have stronger anti-deviation load capacity and greater stability. At the same time, its light weight, large working stroke, high strength, easy to use, and low repair and maintenance costs.
