INDIVIDUAL PUMP-TYPE PROPS
MWM20t
Introduction
Hydraulic Mine Props MWM 20t fitted with closed circuit hydraulic system are generally used as a roof support up to the front wall and also as a support in coal seams with small slopes between 0,60 to 2m thicks.
The hydraulic props are supplied with a nominal strength of 200 kN.
The use of MWM 20t mine Prop is effective along with mechanic articulated frames when the work has narrow seams as well as hydraulic support mine prop of constant resistance.
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Features
The main features of the MWM20t props are presented in the following table:
| MODEL | CLOSED mm |
OPEN mm |
STROKE mm |
WEIGHT Kg |
| Nº 03 | 417 | 537 | 120 | 21,2 |
| Nº 04 | 535 | 685 | 150 | 27,7 |
| Nº 06 | 670 | 940 | 270 | 33,4 |
| Nº 08 | 830 | 1150 | 320 | 39,2 |
| Nº 10 | 1036 | 1436 | 400 | 45,9 |
| Nº 11 | 1145 | 1665 | 520 | 52 |
| Nº 12 | 1200 | 1770 | 560 | 55,4 |
| Nº 13 | 1325 | 1925 | 600 | 58,7 |
