M o d e l Z Q 1 2 7 / 2 5 Y D r i l l P i p e P o w er T o n g
Model ZQ127-25Y Drill Pipe Tong is mouth-opening type power tong used for make up and break out 2
3/8"-3 1/2"drill pipe, 3 1/2"-4 1/2"tubing and 4 1/2"-5 1/2"casing in the oil field well workover operation.
2. Technology Parameter
2.1 Application Range
2 3/8"-3 1/2"drill pipe, 3 1/2"-4 1/2" tubing and 4 1/2"-5 1/2"casing
2.2 Rated Oil Supply Pressure 16Mpa
2.3 Rated Oil Supply Amount 120 lpm
2.4 Rated High Gear Torque 5.1 KN.m
2.5 Rated Low Gear Torque 25 KN.m
2.6 Rated Rotation Speed at High Gear 43 rpm
2.7 Rated Rotation Speed at Low Gear 8 rpm
2.8 Overall Weight 680 kg
2.9 Dimension of Combination tongs 1270×770×780mm
3. Installation
3.1 Lifting
Connect the lifting bucket to the lifting bar of the master tong, lift the drill pipe tong at the well servicing
rig. The lifting point is supposed to be 15m above the wellhead. In the state of free suspension, the center of
the tong head is 0.5m away from the wellhead. The suspension height is appropriate when the backup tong
clamps the drill pipe connector or the coupling of tubing, or casing.
3.2 Leveling
Adjusting the adjusting screws on the lifting bar to keep the drill pipe level, if not, the clamping will fail to
work.
3.3 Tie the back guy
Tie one end of the back guy to the rig, the other end to the seat of the back guide pole of the drill pipe
tong, the back guy is supposed to be able to bear load of 50 KN. When the drill pipe is in the making-up state,
the back guy should be vertical to the drill pipe so as to make the operator safety.
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