Cast iron end restraint fittings
up to DN300

  • End restraint couplings and flanged adaptors for a quick and perfect connection between multi-material pipes, having 30 or 50 millimeter maximum gap on outside diameters, or flange-pipe connections.


  • Fast installation
  • Resistant to corrosion
  • Separate hydraulic sealing and end restraint
  • Multi-material end restraint system
  • Economy low costs for installations
  • Wide range


  • Pipe Locking System
  • Wide tolerance range
  • Working pressure PN 16
  • PN 16 rated grippers

pipe materials

  • Steel
  • Cast Iron
  • HDPE
  • PVC


  • Bolts, nuts, washers: zinc coated Steel – alternative: grade A2 AISI 304 SS
  • Body and compression flange: Ductile Iron GGG500
  • Sealing rings: NBR or EPDM
  • Anticorrosion coating RILSAN NYLON 11
  • End restraint grippers: tempered Steel with Dacromet coating – in alternative: martensitic stainless steel grippers

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