Circum – two-piece inner-sleeve

For the two-piece inner-sleeve circum the tension-ring covers the swelling gaskets. Circum is designed for following failure modes:

  • Spigot and socket joints with bridging
  • Spigot and socket joints without joint gap
  • in general leaky socket joints
  • radial cracks
  • missing wall parts

Technical data

Circum – two-piece Inner sleeve
size DN 800 mm till ≥ DN 3.000 mm
width sleeve 200 mm or 230 mm
height sleeve 15 mm
material sleeve PP/EPDM oder EPDM
width tension-ring 85 mm
tension-ring VA 1.4571
Valve VA 1.4571