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                                      Current position:HOME > Product > Buching unit
                                      BUCKING UNIT

                                        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.

                                       
                                      ◎ Main techical parameters

                                      Item

                                      NJ200 / 15Y

                                      NJ380 / 50Y

                                      Application Range of unit's Head

                                      φ 60 ~ 195 mm

                                      φ 140 ~ 380 mm

                                      Backup tong Application

                                      φ 60 ~ 195 mm

                                      φ 140 ~ 380 mm

                                      High Gear Rated Torque

                                      2600 N.m

                                      3800 N.m

                                      Low Gear Rated Torque

                                      15000 N.m

                                      50000 N.m

                                      Rated Operation Pressure

                                      14 MPa

                                      16 MPa

                                      Max.oil supply

                                      120 L/min

                                      160 L/min

                                      L×W×H

                                      3000×1300×1280mm

                                      3000×1500×1750mm

                                      Handle weight

                                      1220kg

                                       3100kg

                                       
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