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Metal Bellows Seals - BX

About this product

BX Series balanced metal bellows seals are engineered to drive exceptional, long-term equipment reliability and lower energy consumption. They provide exceptional reliability in corrosive and non-corrosive fluids, especially fluids that crystallize or coke in atmospheric conditions. The BX Series is fully compliant with API 682 Type B requirements. Available in single and dual seal configurations.

Features and Benefits

  • Longer service life via 0.20 mm (0.008 inch) thick standard welded bellows for maximum resistance to corrosion, shaft vibrations and centrifugal forces.
  • Optimal performance is attained by selecting from three standard seal face balances; the BXQ seal is high balanced for flashing hydrocarbon applications.
  • Increased maintenance intervals due to a self-cleaning rotating bellows that replaces the need for springs and dynamic elastomers to lessen clogging vulnerabilities.
  • Maintain the performance benefits of self-cleaning rotating bellows in dual pressurized Arrangement 3 seals with the BXB seal’s unique ID pressurized seal face balance

Specifications

  • Metal Bellows:
    • 316 Stainless Steel
    • Alloy C-276
    • Alloy 400
  • Rotating Face:
    • Silicon Carbide
    • Carbon
    • Tungsten Carbide
  • Stationary Face:
    • Silicon Carbide
    • Tungsten Carbide
  • Metal Components:
    • 316 Stainless Steel
    • Alloy C-276
    • Alloy 400
  • Gaskets:
    • Fluoroelastomer
    • Perfluoroelastomer
  • Size Range:
    • 12.3 to 152.4 mm (0.483 to 6.000″)
  • Pressure:
    • up to 28 bar (400 psi)
  • Temperature:
    • -40 to 204°C
  • Specific Gravity:
    • 0.45 and higher
  • Speed:
    • up to 23 m/s (75 fps)

Configurations

  • BXQ
  • BXB
  • BXLS
  • BXR
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