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BS-W Welded Bow Spring Centralizer

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Hinged welded bow spring centralizer. For centralizing casing in standard wellbore applications.

The Welded Bow Spring Centralizer is designed for centralizing casing in the wellbore during running and cementing operations. 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. The Welded Bow Spring Centralizer is available in several bow heights and sizes to ensure optimum restoring force and provide various bow configurations for special applications.


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

  • Bows are welded onto the 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 2 7/8"-30". Any special sizes can be made available upon request

  • Spring Centralizer Range

      • Single Bow Spring

      • Dual Bow Spring