ERV-Rubber expansion joint Type 1 construction type GR

The HKS rubber expansion joint Type 1 Construction type GR is suitable for chemicals, acids, alkalis and corrosive chemical waste. It is suitable for oleiferous compressor air up to a temperature of +90°C.

HKS type 1 rubber expansion joint, GR model, with rotatable galvanised steel flanges with support collar
HKS rubber expansion joint type 1 model GR
Composition and qualities
Nominal widths
  • DN25 to DN700
Tempature range
  • (media dependent) -20 °C to +100 °C
  • briefly to +110 °C
Inner liner
  • Hypalon® (CSM)
  • seamless
  • highly wear-resistant
  • PA textile cord
Outer liner
  • Hypalon® (CSM)

Electrical Properties

  • electrically insulating
  • green ring
  • DN ..
  • PN ..
  • date of manufacture
  • hinged
  • DIN PN 10/16
  • steel (S235JR)
  • galvanised
  • integrated rubber bead (self-sealing)