DBS0A5/3823/KTFHTWY

Tristar D400 surface box with yellow coating, 380mm x 235mm clear opening with 125m frame depth, with one 6.5kg tub of Unipak Mortar

Specification Knowledge base

Characteristic	Value
Range	Tristar
Clear opening (mm)	380 x 235
Overall frame (mm)	505 x 355
Frame depth (mm)	125
My Wrekin	Quantity
Downloads	Download datasheet Datasheet Download EPD data EPD Data

Stock code	Range	Clear opening (mm)	Overall frame (mm)	Frame depth (mm)	My Wrekin	Downloads
DBS0A5/3823/KTFHTWY	Tristar	380 x 235	505 x 355	125	Quantity	Download datasheet Datasheet Download EPD data EPD Data

Features

Indexed corners ensure correct orientation first time, every time.
Indexed corners ensure correct orientation first time, every time.

Images

Specification

General information

Stock code	DBS0A5/3823/KTFHTWY
Primary material	Ductile iron
Range	Tristar
Category	Surface box
Flanges	4

Standards, classes and groupings

Standards	BS EN 124-2 BS750 BS5834
BS EN 124 Class	D400
BS EN 124 Group	4
Third party certified	Kitemark
BS 5834 Grade	A
BS 750 Grade	A

Dimensions

Frame shape	Rectangular
Manhole shape	Rectangular
Overall frame (A x B)	505 mm x 355 mm
Clear opening (C x D)	380 mm x 235 mm
Frame depth (E)	125mm
Base opening (F x G)	400 mm x 250 mm

EPD Data

Total life cycle (cradle to grave)	43.34 kg CO₂ equivalent
Download EPD Data
BRE Greenbook Live

Accessories

Stock code	Description		My Wrekin
PC/UNIFORM/151076	Uniform chamber adjustment unit 760mm x 100mm x 15mm	Quantity	Download datasheet Datasheet
PC/UNIFORM/251076	Uniform chamber adjustment unit 760mm x 100mm x 25mm	Quantity	Download datasheet Datasheet
PC/UNIWEDGE/755012	Uniform support wedge 120mm x 50mm x 75mm	Quantity	Download datasheet Datasheet
YPCR/U6.5	6.5Kg Unipak® rapid curing polyester resin mortar	Quantity	Download datasheet Datasheet
KEYSLIGHT	Small cover lifting keys with a standard handle (sold as a pair)	Quantity	Download datasheet Datasheet
KEY/LONG	Large cover lifting keys with a long handle (sold as a pair)	Quantity	Download datasheet Datasheet

Downloads

BIM model - DBS0A5-3823-KT - 154.ifc

BIM File-Login required

PSRV Certificate of Conformance - 2025.pdf

Certificate-pdf

Notes

This product is third-party certified by BSI to BS EN 124.

Knowledge base

Knowledge Base / Product and specification guidance

Manhole cover range comparison chart

A comprehensive feature comparison of our market leading Tristar, Highway and Unite ranges of access cover.

Knowledge Base / Product and specification guidance

Surface oxidation on iron castings

Guidance on surface oxidation on iron castings, including what our covers are coated with and why we do this.

Knowledge Base / Standards and conformity

Sewers for adoption

Sewers for Adoption (7th edition) contains guidance for the design and construction of sewers that will be adopted by Sewerage Undertakers in England and Wales in accordance with Section 104 of the Water Industry Act 1991. This helpful guide will take you through what you need to know.

Knowledge Base / Product and specification guidance

What information is on product labels?

A handy guide showing the information on our product labels. This information will help you identify what products you have when picking, packing or installing on-site.

DBS0A5/3823/KTFHTWY

Features

Images

Specification

General information

Standards, classes and groupings

Dimensions

EPD Data

Accessories

Downloads

Notes

Knowledge base

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