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BS Bow Spring Centralizer

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Hinged non-welded bow spring centralizer. For centralizing casing in less demanding wellbore applications.

The BS Bow Spring Centralizer is for centralizing casing in the wellbore during running and cementing operations. It belongs to hinged non-welded bow spring centralizers designed to centralize in less demanding wellbore applications where rotation is not a requirement. The centralizer should be fitted over a stop collar preferably to facilitate pulling the tool in and out of the wellbore. The bows provide maximum standoff to achieve efficient displacement of mud and cement. It is available in several bow heights and sizes to ensure optimum restoring force and provide various bow configurations for special applications.


  • Hinged connection, can be assembled locally to reduce shipping costs

  • Using spring steel standard heat treatment process for bows. Elasticity is stable and durable

  • Using crimp connection between bows and end collars

  • Products meet API 10D standard


  • Professional engineering support team

  • Bow configurations are available in various heights and sizes, suitable for most applications

  • Size range is 4 1/2"-30". Any special sizes can be made available upon request

  • Spring Centralizer Range

     • Single Bow Spring

     • Dual Bow Spring