Isiflo Ductile Iron


  • Tested according to DIN 8076

Isiflo Ductile iron are end-load resistant couplings made for the following pipes and dimensions.

 Pipes: PE, PEX and PVC

  • Dimensions: 75, 90, 110 and 160 mm
  • The couplings are coated with RILSAN, a strong corrosion resistant coating.


  • Body: Ductile iron GGG 50.
  • Bolts and nuts: Acid proofed steal / A4.
  • O- ring: Nitrile rubber (NBR)

Area of applications

  • Cold water

Working pressure

  • Water - up to 16 bar

Assembly instructions

  • Cut the pipe and deburr
  • Mark the insert depth (Pmin) on the pipe
  • Install the support insert if required
  • Push the pipe into the coupling, and ensure that the mark of the insert depth aligns with the edge of the coupling. Advice: Do not push the pipe totally to the end stop, as this will lead to higher assembly torque because the pipe is pulled into the coupling by the clampring during assembly. For type 101 - make sure that the pipe ends do not meet inside the coupling.
  • Tighten the bolts criss-cross until the flange toutches the body.


       Isiflo Ductile Iron catalogue