|
THREAD
SIZE |
&
API |
Retracted
Ø
(mm) |
Expanded
Ø
(mm) |
Length
(mm) |
Weight
kg |
|
114 |
300 |
880 |
52 |
|
114 |
400 |
980 |
60 |
|
114 |
500 |
1080 |
68 |
|
Drawing
No. API
- 035 -
02A |
|
APPLICATION
For enlargement
of drilling
diameter at any
drilling depth.
Suitable for :-
• Anchors
• Grouting
• Micro piles
• Cement
Columns.
The requirement
for opening the
blades are min.
Pump pressure of
30 bar and flow
rate of 100
liter. The
blades will
retract by
itself under
tension of
spring when no
pressure is
applied |