The hydraulic prop М138П is intended to use in powered supports and to provide the perception of rock pressure against the block of support sections, to transfer it on the basis and to control the barrier by extracted height.
Overall dimensions
| Designation | L, mm | L1, mm | Plunger stroke, mm | Weight, kg |
| М138П | 1860…4055 | 2096…4921 | 550,810,1050 | 1138 |
| -01 | 1860…3605 | 2096…3841 | 300,600 | 1140 |
Technical characteristic
Nominal push rod force — 2262 kN
Nominal tug rod force — 429.8 kN
Nominal liquid pressure — 32 MPa
Maximum liquid pressure — 50 MPa
Operating resistance — 3531 kN
Head end liquid volume — 80.89 dm³
Rod end liquid volume — 15.37 dm³
Video