COLLECTIVE PUMP TYPE MINE PROPS
MAC
Introduction
Collective Pump-type MAC Individual Mine Prop, designed as mining roof support equipment for use in thins from 0,80 to 5,00 m.
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Characteristics
The 16 different types have the same construction features with the following differentiating characteristics:
From the MAC-08 type to the MAC 30, the only difference lies in the external tube length, the internal tube and the retracting spring.
MAC-32 type to the MAC-50 type are made up of two active parts, symmetrically arranged on both sides of a central steel body that holds the safety valve.
| TYPE |
EXTENDED mm |
CONTRACTED HEIGHT mm |
HYDRAULIC STROKE mm |
WEIGHT
Kg |
PISTON AREA cm² |
MAX. PRESSURE bar |
NOMINAL PRESSURE bar |
NOMINAL LOAD kN |
| MAC-08 | 800 | 570 | 230 | 29,2 | 95,9 | 290 | 378 | 363 |
| MAC-10 | 1000 | 670 | 330 | 32 | 95,9 | 290 | 378 | 363 |
| MAC-12 | 1200 | 770 | 430 | 35,8 | 95,9 | 290 | 378 | 363 |
| MAC-14 | 1400 | 870 | 530 | 38,6 | 95,9 | 290 | 378 | 363 |
| MAC-16 | 1600 | 970 | 630 | 41,5 | 95,9 | 290 | 378 | 363 |
| MAC-18 | 1800 | 1070 | 730 | 44,3 | 95,9 | 290 | 378 | 363 |
| MAC-20 | 2000 | 1170 | 830 | 47 | 95,9 | 290 | 378 | 363 |
| MAC-22 | 2200 | 1270 | 930 | 50 | 95,9 | 290 | 378 | 363 |
| MAC-25 | 2500 | 1485 | 1015 | 56,6 | 95,9 | 290 | 378 | 363 |
| MAC-28 | 2800 | 1635 | 1165 | 62 | 95,9 | 227 | 284 | 272 |
| MAC-30 | 3000 | 1735 | 1265 | 66,2 | 95,9 | 227 | 284 | 272 |
| MAC-32 | 3200 | 2160 | 1040 | 96 | 95,9 | 227 | 284 | 272 |
| MAC-36 | 3620 | 2360 | 1260 | 104 | 95,9 | 227 | 284 | 272 |
| MAC-40 | 4020 | 2560 | 1460 | 112 | 95,9 | 174 | 201 | 193 |
| MAC-44 | 4420 | 2790 | 1630 | 122 | 95,9 | 174 | 201 | 193 |
| MAC-50 | 5020 | 3490 | 1530 | 134 | 95,9 | 174 | 201 | 193 |
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