ERV-Rubber expansion joint Type 1 Construction type BR

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.

HKS type 1 rubber expansion joint, BR model, with rotatable galvanised steel flanges with support collar
Rubber expansion joint type 1 BR model by HKS

Composition and qualities

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)