Power class |
kw |
21 |
Hole range(typical) (mini-maxi) |
mm |
45-76 |
Strike flow (mini-maxi) |
l/mn |
95-118 |
Strike pressure (mini-maxi) |
bar |
165-200 |
Strike frequency (mini-maxi) |
Hz |
55-63 |
Energy per blow (mini-maxi) |
J |
252-330 |
Power out (mini-maxi) |
kw |
14-21 |
Percussion inlet power(mini-maxi) |
kw |
26-39 |
Rotation motor capacity |
cm³ |
100/125/160 |
Rotation flow motor maxi |
l/mn |
48/60/75 |
Max.rotation speed motor |
t/mn |
303/296 |
Max.rotation torque motor |
Nm |
477/597/764 |
Max.rotation pressure |
bar |
210 |
Water flushing pressure (mini-maxi) |
bar |
14-24 |
Water flushing flow (mini-maxi) |
l/mn |
60-120 |
Front guide lubrication pressure |
bar |
3 |
Front guide lubrication air flow |
l/mn |
300 |
Front guide lubrication oil |
cm³/mn |
0.5 |
Accum.Nitrogen pressure HP |
bar |
60 |
Accum.Nitrogen pressure BP |
bar |
5 |
Recommended oil viscosity |
cst |
ISO46 |
Oil viscostiy at working temperature (mini-maxi) |
cst |
15-30 |
Oil operating temperature (mini-maxi) |
ºC |
50to75 |
Thrust feed force (mini-maxi) |
N |
11000-13000 |
Collaring feed force |
N |
9000 |
Collaring strike pressure |
bar |
110 |
Percussion Back pressure |
|
|
Recomended without drain |
bar |
<5 |
Recommended with drain |
bar |
<5 |
Maximum working without drain |
bar |
5 |
Maximum working with drain |
bar |
12 |
Rotation back pressure(maxi.) |
bar |
30 |
ExternalHP line pressure(mini-maxi.) |
bar |
NOt Available |
External HP flow approximate when no percussion |
l/mn |
NOt Available |
Drain pressure(maxi.)if equipped |
bar |
2 |
Drain flow approximate if equipped |
l/mn |
10 |
Maxi.Retract force with reverse |
N |
Not Available |
Percussion(optional)at 100 bar |
Attention: Please consult us before using specific oil(non-inflammable, biodegradable,...). |
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This values are given for information, depending of drilling conditions or cofigurations. |
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