Heavy Duty Class D400 Surface Box. DU158, DU161 & DU160 Ranges.


Non-rock. Heavy duty. Available in both 100mm and 150mm depths depending on the model. Can be badged Water, Gas, Meter, SV, etc. This range comprises DU158A, DU160A, DU160B, DU160C, DU161A, DU161B, DU161C, DU161D and HB16. For Lifting keys order DULK54. Some products available THAMES WATER. DU158A typically badged FH. Some items available with antitheft steel chain.

Product CodeOptionDimensions DepthWeightLoadingMaterialHeightWidthRecess DepthDiameterInner Opening DimensionsOuter Opening DimensionsLockingOver Hinge Plate DimensionsWaterwayNo. of SegmentsDesigned to BS1247Kerb ProfileCBR Puncture ResistanceElongationTensile StrengthPore SizePermeabilityRoll Size
DU160ADouble Triangular150x150x150mm150mm50kgIron
DU160BDouble Triangular225x225x150mm150mm60kgIron
DU160CDouble Triangular300x300x150mm150mm80kgIron
DU161AOne Piece W, GAS150x150x100mm100mm25kgIron
DU161BOne Piece W, GAS 225x225x100mm100mm30kgIron
DU161COne Piece W, GAS300x300x100mm100mm40kgIron
DU158AOne Piece W, FH380x230x100mm100mm30kgIron
DUHB16Double triangular430x280x100mm100mm40kgIron

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To Specify: {size} Heavy Duty service boxes, {locking if required on some patterns/sizes}. Reference DU160 or DU161{letter to denote size}. Available from Durey Castings Ltd, Hawley Road, Dartford, Kent, DA1 1PU. Tel 01322 272424 Fax 01322 288073.

  • W, SV, GAS, WO, AV
  • DU158A can be supplied FH