register number |
K.2.07 Telescopic kelly bar, 5-segment type, for rotary drilling plants |
data processing short term |
KELLY TELESKOP 5 FACH |
standard equipment |
Consisting of 5 bars with sealing strips, four telescoping segments.
Max. drilling depth with normal drilling tools in deepest bar and head position achievable without pressure pipe.
With kelly rope swivel.
|
register of construction equipment 1991 |
New |
wearing part |
Kelly rope swivel, build-up welding on catches and locking strips, damping springs, helical spring
|
characteristic |
nominal torque (kNm) and max. drilling depth (m) |
|
years of usage |
* |
months of rate action |
* |
monthly ratio for depreciation and interest rate |
* |
monthly ratio for costs of repair |
* |
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