Conexin supplies what is probably the most comprehensive range of end restraint systems in the UK. Designed to provide rapid solutions for both emergency and planned maintenance in all sectors including water, gas.

Using end restraint fittings offers a more cost effective solution compared to traditional concrete thrust blocks or tie bar assemblies.


(300 – 3000mm diameters)

  • Available as Couplings, Step Fittings & Flange Adaptors.
  • Totally universal – a single fitting can be used on up to 7 different sizes and types of pipe.
  • Up to 75% faster fit than other end restraint systems.

(50 – 300mm nb diameters)

  • Available as Couplings & Adaptors (specials on request).
  • Totally universal – can connect up to 8 different types of pipe of differing diameters inc Ductile Iron / Cast Iron / Steel / MoPVC & PE.
  • Significant stock reduction

(300 – 2000 mm diameters)

  • Allows connections between misaligned pipes up to 15 degrees in any direction.
  • Can be manufactured with flanges / sockets or end restraint grippers.
  • Can be manufactured as a bend or tee.
  • Can connect and end restrain PE / Ductile / Steel & Cast.

(300 – 2000 mm diameters)

  • NOVAGRIP connects existing host pipe and seals and grips PE rehab liner pipe.
  • Suitable for swagelining and sliplining applications.
  • 30 mm tolerance means minimal callipering and ease of installation.
  • Can be specially made to suit customer application.

Provides a unique solution for accessing valves
and also as linear compensation.

End Restraint Fittings

  • Reduces stock – any single fittings can join PE/D.Iron/Cast/Steel & PVC
  • Fittings available from 58mm uti 1400mm+
  • Couplings also available reducing the need for expensive ‘back to back’ flange adaptor scenarios
  • 30mm tolerance – ensures ease of fitting even with ‘out of round pipe’. Will often fit even if the pipe has been incorrectly callipered
  • No need for tie bar arrangements / concrete thrust blocks
  • No heating blankets or re-rounding tools on PE… only a torque wrench

Buderus Locking System

  • Cost effective and robust repair system
  • No bolts or external clamps
  • Fast and uncomplicated installation
  • Trenchless installation
  • Horizontal directional drilling
  • Burst lining
  • No thrust blocks


Multigrip End Restraint FA 710mm SDR11 x 700mm PN16

Pipe was 6 mm out of round in freezing temperatures but unit was installed without the need for heating blankets or re-rounding tools.