Chambers & Duct Systems

Ductile Iron Loop Box

Innovative products for loop installations

The NAL Ductile Iron Loop Box is designed to positively connect inductive loop tails installed in the road surface into a duct at the edge of the carriageway. The Loop Box is manufactured from ductile iron with a one piece D400 (40T) cover and has 4nr loop tail entry slots to enable connection from all directions. It offers a simple cost effective solution to traditional installation and maintenance problems associated with inductive loops in the carriageway.

Product Benefits

  • No need to slot cut through kerb
  • No risk of damage during additional installations
  • D400 one piece non-rocking cover
  • Octagonal shape allows easy core drilling
  • Multi directional access (4 way)
  • Base seal eliminates risk of blockage to ducts
  • Base duct connector for 63mm or 110mm duct

Description

Innovative products for loop installations

The NAL Ductile Iron Loop Box is designed to positively connect inductive loop tails installed in the road surface into a duct at the edge of the carriageway. The Loop Box is manufactured from ductile iron with a one piece D400 (40T) cover and has 4nr loop tail entry slots to enable connection from all directions. It offers a simple cost effective solution to traditional installation and maintenance problems associated with inductive loops in the carriageway.

Product Benefits

  • No need to slot cut through kerb
  • No risk of damage during additional installations
  • D400 one piece non-rocking cover
  • Octagonal shape allows easy core drilling
  • Multi directional access (4 way)
  • Base seal eliminates risk of blockage to ducts
  • Base duct connector for 63mm or 110mm duct
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