Ditch Witch JT920, Manual

Page: 151 / 169

JT920/JT920L - APPENDIX
151
A. BEND LIMITS
JT920/JT920L - APPENDIX
151
A. BEND LIMITS
APPENDIX
A. BEND LIMITS
JT920 Power Pipe Drill Pipe
Turns in the bore path should be made gradually. All Ditch Witch
pipes have recommended bend limits. JT920 drill pipes have a
tested bend radius of 105’ (32 m), meaning a 90 degree bend
requires 105’ (32 m) of forward distance and approximately
165’ (50.3 m) of pipe. Make sure pitch changes no more than 6%
per pipe.
NOTICE: Bending pipe more sharply than recommended will
damage pipe and cause failure over time. Changes in pitch must
be equally distributed over the length of a pipe. Maximum percent
changes in pitch in 1-2’ (30-60 cm) of pipe create sharp bends
and will damage pipe.
JT920L Power Pipe Drill Pipe
Turns in the bore path should be made gradually. All Ditch Witch
pipes have recommended bend limits. JT920L drill pipes have a
tested bend radius of 100’ (30.5 m), meaning a 90 degree bend
requires 100’ (30.5 m) of forward distance and approximately
157’ (48 m) of pipe. Make sure pitch changes no more than 9%
per pipe.
NOTICE: Bending pipe more sharply than recommended will
damage pipe and cause failure over time. Changes in pitch must
be equally distributed over the length of a pipe. Maximum percent
changes in pitch in 1-2’ (30-60 cm) of pipe create sharp bends
and will damage pipe.
APPENDIX
A. BEND LIMITS
JT920 Power Pipe Drill Pipe
Turns in the bore path should be made gradually. All Ditch Witch
pipes have recommended bend limits. JT920 drill pipes have a
tested bend radius of 105’ (32 m), meaning a 90 degree bend
requires 105’ (32 m) of forward distance and approximately
165’ (50.3 m) of pipe. Make sure pitch changes no more than 6%
per pipe.
NOTICE: Bending pipe more sharply than recommended will
damage pipe and cause failure over time. Changes in pitch must
be equally distributed over the length of a pipe. Maximum percent
changes in pitch in 1-2’ (30-60 cm) of pipe create sharp bends
and will damage pipe.
JT920L Power Pipe Drill Pipe
Turns in the bore path should be made gradually. All Ditch Witch
pipes have recommended bend limits. JT920L drill pipes have a
tested bend radius of 100’ (30.5 m), meaning a 90 degree bend
requires 100’ (30.5 m) of forward distance and approximately
157’ (48 m) of pipe. Make sure pitch changes no more than 9%
per pipe.
NOTICE: Bending pipe more sharply than recommended will
damage pipe and cause failure over time. Changes in pitch must
be equally distributed over the length of a pipe. Maximum percent
changes in pitch in 1-2’ (30-60 cm) of pipe create sharp bends
and will damage pipe.