C250 manhole covers

Single seal


Ductile iron single seal access covers

Wrekin’s range of single-seal BS EN 124:2015 C250 Group 3 manhole covers have been designed to combine high strength and light weight and include additional features such as a single seal labyrinth and safety enhancements.

Key features

C250 symbol For use in a Group 3 Class C250 environment C250 ductile iron manhole cover
kitemark All fully comply with BS EN 124:2015 and are Kitemarked by BSI
keyway A patented safety keyway prevents accidental disengagement during the lifting operation. Also compatible with standard D400 lifting keys.
labyrinth symbol Incorporates a single seal labyrinth arrangement to help prevent odour escapes and water ingress (except 1200x1600mm version)
ductile iron Manufactured from strong and highly durable ductile iron

Sizes and availability


Wrekin product code Clear opening size (mm) Frame depth (mm) Over frame size (mm)
DMS1C3/4545/K 450 x 450 75 555 x 555
DMS1C3/6045/K 600 x 450 75 705 x 555
DMS1C3/6060/K 600 x 600 75 705 x 705
DMS1C3/7560/K 750 x 600 75 850 x 700
DMS1C3/9060/K 900 x 600 75 1000 x 700

Available options: Special badging, ventilation holes, locked covers, sealing plates, rubber seals and safety grilles.

Download PDF data sheet

SafeSeal C250 Cover Range

1.7 MB | Version 11 | PDF format