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    API 7K Rotary Table for Drill String Control
    Drill Rig Accessories for Drilling & Workover Operations
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    API 7K Rotary Table for Drill String Control

    > Gear wheel and pinions are all made of alloy steel.

    > According to needs, master bushing and kelly roller bushing can adopt square drive or pin drive.

    > Pin drive type master bushing can put into API standard kelly or hex kelly roller bushing Long clips and short clips are applicable.

    > Full lubrication and steady seal.

    > Rotatry table is according with API Spec 7k standard.

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      Brief Introduction
      Technical Specification

      Specifications of Hook Blocks

      • Model

        ZP70

        ZP125

        ZP175

        ZP205

        ZP275

        ZP375

        ZP495

        Hole Dia. (mm)

        180

        305

        444.5

        520.7

        698.5

        952.5

        1257.3

        Max static Load (kN)

        600

        1350

        1350

        3150

        4500

        5850

        7250

        Max working torque (kN.m)

        8

        12

        13.7

        22.6

        27.5

        32.4

        36.3

        Max speed (r/min)

        300

        Gear ratio

        2.94

        3.5

        3.58

        3.62

        3.67

        3.56

        3.96

        central distance (mm)

        591

        1118

        1118

        1353

        1353

        1353

        1651

        central height

         

        160

        270

        318

        330

        330

        368
      Rotary table is a mechanical device on a drilling rig that provides clockwise (as viewed from above) rotational force to thedrill string to facilitate the process of drilling a borehole.