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DMS1B2/4545/K

Safeseal B125 manhole cover 450mm x 450mm clear opening with 40mm frame depth

Specification

Stock code Range Clear opening
(mm)		 Overall frame
(mm)		 Frame depth
(mm)		 Options My Wrekin Downloads
DMS1B2/4545/K Safeseal 450 x 450 552 x 552 40

Features

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

    Indexed corners

  • Labyrinth seal helps to prevent odour escapes and water ingress.

    Labyrinth seal

  • Safety keyway prevents accidental disengagement of the lifting key during the handling process.

    Safety keyway

  • 70+ PSRV tested at top surface of chequer by UKAS accredited 3rd party.

    PSRV tested

  • Designed with tapered sides and centralised lifting points to allow the cover to slide out of the frame.

    Slide out cover

Images

Specification

General information

Stock code
DMS1B2/4545/K
Primary material
Ductile iron
Range
Safeseal
Category
Manhole cover
Flanges
4

Standards, classes and groupings

Standards
BS EN 124-2
BS EN 124 Class
B125
BS EN 124 Group
2
Third party certified
Kitemark

Dimensions

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

552 mm x 552 mm
Clear opening (C x D)

450 mm x 450 mm
Frame depth (E)
40mm
Base opening (F x G)

500 mm x 500 mm

EPD Data

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

Available options

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/U12.5 12.5Kg Unipak® rapid curing polyester resin mortar
YPCR/U25 25Kg Unipak® rapid curing polyester resin mortar
KEY/LONG Large cover lifting keys with a long handle (sold as a pair)
KEYS/L Small cover combined lifting key

Downloads

BIM model - DMS1B2-4545-K - 289.ifc
BIM File-Login required
Wrekin Manhole Cover Installation Guide.pdf
Instruction manual-pdf
Kitemark Certificate.pdf
Certificate-pdf
PSRV Certificate of Conformance - 2025.pdf
Certificate-pdf
  1. Wrekin Products Ltd is continually seeking to improve our products and therefore reserves the right to alter product specifications without prior notice.
  2. It is the responsibility of all users to satisfy themselves the above data is current.
  3. All values stated are nominal within 2.5% tolerance.
  4. Installation details are available in the knowledge base.
  5. All Wrekin products are supplied subject to our Terms and Conditions of Sale.
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