ERV-Rubber expansion joint Type 1 Construction type CR

The HKS rubber expansion joint Type 1 Construction type CR is suitable for cold and warm water, swimming pool water, seawater, waste water (weak acid or alkali) - also oleiferous, coolant with oleiferous anti-corrosives, lubricating oil, fats, air and compressed air.

HKS type 1 rubber expansion joint, CR model, with rotatable galvanised steel flanges with support collar
HKS rubber expansion joint type 1 model CR
Composition and qualities
Nominal widths
  • DN25 to DN1000
Tempature range
  • (media dependent) -25 °C to +90 °C
  • briefly to +100 °C
Inner liner
  • Chloroprene CR
  • seamless
  • wear-resistant
  • PA textile cord
Outer liner
  • Chloroprene CR

Electrical Properties

  • electrically insulating
  • white »CR« overprint
  • DN ..
  • PN ..
  • date of manufacture
  • hinged
  • DIN PN 10/16
  • steel (S235JR)
  • galvanised
  • integrated rubber bead (self-sealing)