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    Bucking Unit for Pipe Thread making up&breaking out

    > High automatic level.
    > Maxium torque  200,000 ft-lb(270,000KN.m), Maximum pipe diameter 900mm, minimum pipe diameter 40mm;
    >Coordinate with electromagnetic unloading valves in hydraulic power station and realize any automatic control of makeup torque;
    > Use an elastic torque sensor to measure any torque, do not add any hydraulic oil;
    > Without slippage or biting the working surface;
    > Quick-tightening screw thread; Provide push-pull foce for work piece;
    > Torque & pressure information digital display system can be choosen;
    > Use a photoelectric encoder to record any makeup turn number; 
    > Display, control and record any makeup process data are stored for query in the future;
    > Customized service is available.

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      Brief Introduction
      Technical Specification

      Bucking Unit, also called Hydraulic make up and Break out unit/machine,  is an important tool used for disassembling/assembling, maintaining of all kinds of drill tools, pipe strings and thread connections for all kinds of downhole equipment. Ecko Petro fully rotation torque Bucking Unit is designed for fast and accurate makeup and break out of premium and non-premium thread tubular equipment. The machine can handle up to a maximum torque of 200,000 ft-lb(270,000KN.m). The Bucking Unit is well suited for repair shops, completion services, offline stand building, and small pipe-thread facilities.

      Model NJ75/8-25 NJ95/8-40 NJ10-70 NJ 133/8-70
      Gripping Range 2 3/8”-75/8” 2 3/8”-95/8” 2 3/8“-10” 2 3/8”-13 3/8”
      Torque Range 0-25KN.m 0-40KN.m 0-70KN.m 0-70KN.m
      Rotary Speed 0-16rpm 0-16rpm 0-17rpm 0-10rpm
      Hyd Oil Capacity 80-120L/min 80-121L/min 80-122L/min 80-123L/min
      System Pressure 16Mpa 17Mpa 18Mpa 19Mpa
      Overall Dia(mm) 2500×1200×1600 4500×1200×1600 4500×1300×1600 4500×1400×1600
      Weight(approx.) 500OKG 6500KG 7500KG 9000KG
      Model CZJ20-70 CZJ 18-160 CZJ18-210 CZJ 18-250
      Gripping Range 2 3/8”-20” 2 3/8”-18” 2 3/8”-18” 2 3/8”-18”
      Torque Range 0-70KN.m 0-160KN.m 0-210KN.m 0-250KN.m
      Rotary Speed 0-10rpm 0-11rpm 0-4rpm 0-4rpm
      Hyd Oil Capacity 80-120L/min 120-160L/min 160-240L/min 160-240L/min
      System Pressure 16Mpa 16Mpa 16Mpa 16Mpa
      OverallDia(mm) 4500×1400×1600 6500×1400×1600 6500×2200×2200 6500×2200×2200
      Weight(approx.) 10500KG 12500KG 18500KG 22500KG