D400 manhole covers – TRI-STAR


Ductile iron access covers

Tristar manhole covers

The Tristar range of D400 ductile iron access covers fully comply with BS EN 124:1994 and carry the British Standard kitemark. Tristar also possesses some innovative design features that mark it out from the competition.

Key featuresSizes and availabilityDownload PDF data sheet
D400 For use in a Group 4 Class D400 carriageway environment Tri-Star manhole cover
kitemark All fully comply with BS EN 124:1994 and are Kitemarked by BSI
safety key A patented safety keyway prevents accidental disengagement during the lifting operation. Also compatible with standard D400 lifting keys.
non-rock Three point suspension on covers for non-rock stability
b125 Manufactured from strong and highly durable ductile iron
b125 Patented frame design with enlarged frame corners that help dissipate load
Wrekin product code Clear opening size (mm) Frame depth (mm) Over frame size (mm)
DMT0D4/6060/KT 600 x 600 100 720 x 720
DMT0D6/6060/KT 600 x 600 150 720 x 720
DMT0D4/6767/KT 675 x 675 100 800 x 800
DMT0D6/6767/KT 675 x 675 150 800 x 800
DMT0D4/7560/KT 750 x 600 100 920 x 760
DMT0D6/7560/KT 750 x 600 150 920 x 760
DMT0D4/7575/KT 750 x 750 100 940 x 940
DMT0D4/9060/KT 900 x 600 100 1060 x 760
DMT0D6/9060/KT 900 x 600 150 1060 x 760
DMT0D4/1267/KTHA 1220 x 675 100 1400 x 884
DMT0D6/1267/KTHA 1220 x 675 150 1400 x 884

Available options:
SW or FW integrally badged (other badging available on request).
Ventilation holes, locked covers, sealing plates and safety grilles.

TriStar D400 access covers

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