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ANNULAR BOP

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Product details

The design and manufacture of Annular BOP is according to API Spec 16A standard.Technical Specification


  • Packing element is spherical or tapered type with massive storage volume, low operation pressure and excellent sealing function
  • Bonnet is hemispherical-shaped, so there is no stress concentration on bonnet whenever bearing the pressure. so the pressure is evenly distributed; convenient for disassembly and assembly (except tapered packing element)
  • Piston is set in low position to have a shorter moving distance. Use wear ring on piston.
  • Lip type seal rings are used to realize long service life.


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