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Rig Equipment & Parts

  • Product Name: Crown Block
  • Issue Time: 2019/1/21 21:44:50
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Crown Block


The crown block is a fixed pulley group mounted on the top of the mast, it is connected with the drawworks and the hook block through a wire rope and withstand the hook load together. 

Designed and manufactured in accordance with API Spec 4F: Specification for Drilling and Well Servicing Structures and API Spec 8C: Specification for Drilling and Production Hoisting Equipment standards.


The crown block is a multi-axis structure, mainly composed of fast line pulley group, deadline pulley group, pulley group, sand line pulley group and so on.

Technical Specifications

The product models of the crown block are as follows: TC90, TC135, TC160, TC180, TC225, etc.

Technical Specifications of Crown Block

Crown Block

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