ERV-Rubber expansion joint Type 1 Construction type R

The HKS rubber expansion joint Type 1 Construction type R is suitable for water, drinking water (certifications DVGW W 270 and ACS), cold and warm process water, sea water, coolant (also with chemical additives for water treatment), weak acids and alkalis, saline solutions, technical alcohols, esters and ketones.

HKS-Gummikompensator Typ 1 Bauart R

Composition and qualities

Tempature range
  • (medium dependent) -40°C to +100°C
  • briefly to +120°
Inner liner
  • Butyl (IIR) / EPDM
  • seamless
  • poor diffusion
  • PA textile cord
  • rubberised butyl
Outer liner
  • EPDM
  • ozone resistant
  • heatproof

Electrical Properties

  • Electrically conductive
  • Red ring
  • DN ..
  • PN ..
  • Date of manufacture
  • hinged
  • DIN PN 10/16
  • steel (S235JR)
  • galvanised and yellow chromate