Home
My Wrekin

DBS1A6/15D/TW

Tristar D400 surface box 145mm diameter clear opening with 150mm frame depth, embossed TW

Specification Knowledge base

Stock code Range Clear opening
(mm)		 Overall frame
(mm)		 Frame depth
(mm)		 My Wrekin Downloads
DBS1A6/15D/TW Tristar 145 x 255 x 250 150

Features

  • The cover is connected to the frame with a chain, reducing the risk of theft.

    Captive hinges

Images

Specification

General information

Stock code
DBS1A6/15D/TW
Primary material
Ductile iron
Range
Tristar
Category
Surface box
Flanges
4

Standards, classes and groupings

Standards
BS5834
BS EN 124 Class
D400
BS EN 124 Group
4

Packaging and Handling

Total Product Weight (kg)
8.8 kg
Full pallet quantity
60

Dimensions

Frame shape
Rectangular
Manhole shape
Rectangular
Overall frame (A x B)

255 mm x 250 mm
Clear opening (C x D)

Ø 145 mm
Frame depth (E)
150mm
Base opening (F x G)

175 mm x 175 mm

EPD Data

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

CCPI Assessed

CCPI Verified Logo

Accessories

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

Knowledge base

Access cover hero image

Knowledge Base / Product and specification guidance

Manhole cover range comparison chart

A complete feature comparison of our Tristar, Highway and Unite ranges of access cover.
Access cover being installed

Knowledge Base / Product and specification guidance

Surface oxidation on ductile iron castings

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

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.
Access cover being installed

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.

Knowledge Base / Product and specification guidance

Access cover features

All of our products are packed full of features. This knowledge article explains the features and their benefits in detail.

Knowledge Base / Product and specification guidance

Understanding clear openings in manhole covers

Clear opening is a critical safety and compliance measure for manhole covers. It is defined in both BS EN 124 and CD 534. 

Knowledge Base / Frequently Asked Questions

CCPI FAQs

Frequently asked questions about the Code for Construction Product Information and our assessed products.
  1. All information provided is subject to change without notice. While every effort is made to ensure accuracy and relevance, Wrekin Products Ltd. does not warrant the completeness or reliability of the information contained herein. Photographs, illustrations, and other visual materials are provided for illustrative purposes only.
  2. Wrekin Products Ltd. reserves the right to make design amendments or improvements to any product at any time, where such changes enhance performance or durability, without affecting compliance with the stated standards.
  3. Where errors or omissions are identified, amendments will be made as quickly as possible.
  4. It is the responsibility of all users to satisfy themselves the above data is current.
  5. All values stated are nominal within 2.5% tolerance.
  6. Installation details are available in the knowledge base.
  7. All Wrekin products are supplied subject to our terms and conditions of sale.
  8. If you require further technical details beyond those available on this datasheet, please contact us.
Share this page