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DMS1B2/45D (discontinued)

Safeseal B125 circular manhole cover 450mm diameter clear opening with 35mm frame depth

Specification

Stock code Range Overall frame
(mm)		 Clear opening
(mm)		 Frame depth
(mm)		 Options My Wrekin
DMS1B2/45D Safeseal Ø 550 Ø 445 35

Superseded by

Manhole covers - Round

Stock code Range Overall frame
(mm)		 Clear opening
(mm)		 Frame depth
(mm)		 Options My Wrekin
DMS1B2/45D/K Safeseal Ø 550 Ø 450 30

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

Images

Specification

General information

Stock code
DMS1B2/45D
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
Circular
Manhole shape
Circular
Overall frame (A x B)

Ø 550 mm
Clear opening (C x D)

Ø 445 mm
Frame depth (E)
35mm
Base opening (F x G)

Ø 495 mm

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
DREDRING/45/35 Reducer ring with a 350mm inner diameter and 460mm outer diameter

Downloads

BIM model - DMS1B2-45D - 44.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

Notes

All values stated are nominal within 2.5% tolerance.

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. Installation details are available in the knowledge base.
4. All Wrekin products are supplied subject to our Terms and Conditions of Sale

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