ERV-Rubber expansion joint Type 1 Construction type OR

The OR model of the HKS type 1 rubber expansion joint is suitable for liquid gas complying with the EN 589 standard. For tankers and filling stations.

HKS type 1 rubber expansion joint, OR model, with rotatable galvanised steel flanges with support collar
HKS rubber expansion joint type 1 model OR

Composition and qualities

Nominal widths
  • DN25 to DN600
Tempature range
  • (depending on operating pressure) -20 °C to 90 °C, up to 100 °C for short periods
  • range of movement: 100% at 50 °C, 80% at 70 °C, 60% at 100 °C
Inner liner
  • NBR (nitrile)
  • seamless
  • abrasion-resistant
Reinforcements
  • PS textile cord
Outer liner
  • Chloroprene (CR)

Electrical Properties

  • electrically conductive
Demarcation
  • orange ring
  • DN ..
  • PN ..
  • date of manufacture
Flanges
  • rotatable
  • DIN PN 10
  • steel (S235JR)
  • galvanised
  • integrated rubber bead (self-sealing)