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HKSModel Type 1 BR -ERV-Rubber Expansion Joint

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The Type 1 BR rubber expansion joint by HKS, equipped with a seamless BR/NR lining, is engineered for handling abrasive media like slurries, solid-liquid mixtures, and emulsions, along with dusty and powdery materials such as soot. Its design makes it apt for a variety of non-oily water types and diverse chemical applications, though it is not suitable for mineral oil products. This expansion joint showcases specific electrical properties which may be integral to particular industrial applications. Its robust construction supports extensive use in conditions where abrasive materials tend to accelerate wear. Plant engineers and technical procurement specialists will appreciate its tailored design features, ensuring long-term functionality and reliability in demanding environments, particularly where conventional joints may fail under similar stress conditions.

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With its seamless BR/NR lining, the BR model of the HKS type 1 rubber expansion joint is suitable for abrasive media, such as slurries, solid/liquid mixtures and emulsions as well as dusty and powdery media (e.g. soot). It is also suitable for all types of water (non-oily) and various chemicals. Not suitable for mineral oil products.

  • Nominal widths : DN25 to DN300
  • Tempature range :
    • (depending on operating pressure) -50 °C to 70 °C, up to 90 °C for short periods
    • Range of movement: 100% at 50 °C, 80% at 70 °C
  • Inner liner :
    • BR
    • seamless
    • highly abrasion-resistant
  • Reinforcements : PA textile cord
  • Outer liner : BR / NR
  • Electrical Properties :  electrically conductive
  • Demarcation :
    • blue dot
    • DN ...
    • PN ...
    • date of manufacture
  • Flanges :
    • rotatable
    • DIN PN 10
    • steel (S235JR)
    • galvanised
    • integrated rubber bead (self-sealing)