NJ series hydraulic bucking unit is a kind of assembling/disassembling device for threaded connection facilities,high reliability design and tough resistance on site shall make it available for screwing-on couple in tubing,casing factory,and manufacturing and assembly of connection and repair & disassembly for the down hole pump, downhole tools,tubing,casing and others with thread-connection facilities in oilfield and has the following features:
◆ Concise,elegant appearance.
◆ Equipped with normal,micro-tooth or non-tooth jaw optional for the customers.
◆ A micro tooth jaw accords to the identical specification tubing/casing,so its advantage presents loog tooth-plate & Angle more than 320 degree,large clamping area and little injury.
◆ Ordinary jaw equipped with planetary-claw clamp mechanism shall have no need to replace any part within the application Range.
◆ No-rest button design,so it is no necessary to pull the reset button during the positive and negative operation.
◆ The cap between the mail tong and back-up tong is so little that it is used for super-short nipple and tool.
◆ Encoder calculates the speed and number of revolutions,the accuracy of controlling is high.
◆ Control system with reliability and automation torque.
◆ The back-up tong is equipped with hydraulic actuator and it can move along with the workpiece.