It is equipped with two compressors 4VU1-5/9 (4ВУ1-5/9) and flush pump NB-50 (НБ-50) or NB-4 (НБ-4), or with compressor station KV-10/10C (КВ-10/10С), KV-12/10C (КВ-12/10С), KV-12/12C (КВ-12/12С).
|
Technical specifications |
Meas. unit |
Value |
|---|---|---|
|
Borehole angle to horizontal plane |
grades |
90 |
|
Initial boring diameter |
mm |
450 |
|
Maximal boring depth with flushing |
m |
350 |
|
Ultimate boring diameter with flushing |
mm |
93 |
|
Depth of boring with augers |
m |
30 |
|
Ultimate diameter of auger boring |
mm |
150 |
|
Boring depth with blowing |
m |
100 |
|
Ultimate boring diameter with blowing |
mm |
110 |
|
Drilling assembly rotation frequency |
rpm |
33-184 |
|
Rotary head stroke |
mm |
5200 |
|
Maximum spindle torque |
N*m |
4000 |
|
Rate of tool string lifting |
m/s |
0-1,25 |
|
Permitted load on hook (elevator) |
kN (kgf) |
63 (6300) not more than |
|
Operating pressure in hydraulic system |
MPa (kgf/сm2) |
10(100)±5% |
|
Overall dimensions in transporting position |
mm |
8700x2500x3980 |
|
Overall dimensions in operating position |
mm |
8500x2500x8400 |
|
Weight of installation |
kg |
15280 |
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