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Manhole cover range comparison chart

Manhole range comparison chart

Manhole cover features Tristar Highway Unite
CD 534 v0.1.0 compliant ✗ ✔ ✔
BSI Kitemarked to BS EN 124:2015 ✔ ✔ ✔
Safety keyway
Ensures lifting keys are held captive in the keyway during the lifting process, prevents accidental drops 
✔ ✔ ✔
BS 7903 flange gussets
Increases frame rigidity and reduce vibration transfer, extending the life of the installation
✔ ✔ ✔
Low wear seats
The cover and frame are designed to reduce seating wear, increasing installation life
✔ ✔ ✔
Asset identification badge
A location on the cover is available to retrofit an identification badge
✗ ✔ ✔
Simple and safe frame manoeuvring
The frame has lifting key points to enable simple and safe manoeuvring on site
✗ ✔ ✔
Hinged rectangular covers in range (safety stop hinge)
Hinge and lift out (Halohinge) covers, allowing covers to hinge open to 100° and be secured in place, prevent covers from falling, once opened, but can also be lifted out with standard lifting keys from a closed position
✗ ✔ ✗
Anti-flex covers
Prevents the causes of cover seating wear, eliminating excessive noise and catastrophic failure
✗ ✗ ✔
Mortar sympathetic frame features
Improves the bedding mortar adhesion to the frame, reducing lateral shift and mortar breakdown
✗ ✗ ✔
70+ PSRV
Tested and proven to achieve in excess of 70+ PSRV (Polished Slip/Skid Resistance Value) at the top surface of the chequer, by UKAS accredited third party
✔ ✔ ✔
Options / Accessories

Safety grille
Our factory-fitted safety grilles prevent accidental chamber falls and can be fitted with signage

✔ ✔ ✔

Screwlift compatible
Compatible with our Screwlift height adjustment system

✔ ✔ ✔

Gritblocker compatible
Keyway insert that prevents the keyway from becoming blocked with dirt and debris (included as standard on all Unite products)

✔ ✔ ✔

Flood and odour control (factory fitted)
A flood and odour control plate can be factory fitted on request

✔ ✔ ✗

Retrofittable seal plate (to leakage class 1, 2 or 3)
Simple to install on-site and can be drilled to provide low leak performance

✗ ✗ ✔

Related pages

Related products

Stock code Range Clear opening
(mm)
Overall frame
(mm)
Frame depth
(mm)
Options My Wrekin
DBS0A4/1010 Tristar 105 x 105 195 x 195 100
DBS0A5/3823/KT Tristar 380 x 235 505 x 355 125
DBS0A5/3823/KTFHTWY Tristar 380 x 235 505 x 355 125
DBS0A6/1010 Tristar 105 x 105 195 x 195 150
DBS1A6/15D/TW Tristar 145 x 255 x 250 150
DBT0A4/1515 Tristar 150 x 150 230 x 230 100
DBT0A4/2222 Tristar 225 x 225 305 x 305 100
DBT0A4/3030 Tristar 300 x 300 380 x 380 100
DBT0A6/1515 Tristar 150 x 150 260 x 260 150
DBT0D4/4428/KH Highway 445 x 280 680 x 515 100
DMH0D4/1361/K Vault 1,300 x 610 1,490 x 810 100
DMH0D4/1383/K Vault 1,300 x 850 1,490 x 1,050 100
DMH0D4/7567/K Vault 750 x 675 950 x 875 100
DMH0D4/9045/K Vault 900 x 450 1,090 x 650 100
DMH0D4/9060/K Vault 900 x 600 1,090 x 800 100
DMHT0D4/6045/KH Highway 600 x 450 810 x 660 100
DMHT0D4/6045/KH Highway 600 x 450 810 x 660 100
DMHT0D4/6060/KH Highway 600 x 600 815 x 815 100
DMHT0D4/6060/KH Highway 600 x 600 815 x 815 100
DMHT0D4/6767/KH Highway 675 x 675 890 x 890 100
DMHT0D4/6767/KH Highway 675 x 675 890 x 890 100
DMHT0D4/7560/KH Highway 750 x 600 960 x 810 100
DMHT0D4/7560/KH Highway 750 x 600 960 x 810 100
DMHT0D4/7575/KH Highway 750 x 750 960 x 960 100
DMHT0D4/7575/KH Highway 750 x 750 960 x 960 100
DMHT0D4/9060/KH Highway 900 x 600 1,110 x 810 100
DMHT0D4/9060/KH Highway 900 x 600 1,110 x 810 100
DMHT0D6/6060/KH Highway 600 x 600 815 x 815 150
DMHT0D6/6060/KH Highway 600 x 600 815 x 815 150
DMHT0D6/6767/KH Highway 675 x 675 890 x 890 150
DMHT0D6/6767/KH Highway 675 x 675 890 x 890 150
DMHT0D6/9060/KH Highway 900 x 600 1,110 x 810 150
DMHT0D6/9060/KH Highway 900 x 600 1,110 x 810 150
DMS1B2/3030/K Safeseal 300 x 300 400 x 400 40
DMS1B2/4545/K Safeseal 450 x 450 550 x 550 40
DMS1B2/6045/K Safeseal 600 x 450 690 x 530 40
DMS1B2/6060/K Safeseal 600 x 600 690 x 690 40
DMS1B2/6767/K Safeseal 675 x 675 790 x 790 50
DMS1B2/7560/K Safeseal 750 x 600 860 x 710 40
DMS1B2/7575/K Safeseal 750 x 750 850 x 850 50
DMS1B2/9060/K Safeseal 900 x 600 1,010 x 710 40
DMS1B3/4545/K Safeseal 450 x 450 550 x 550 75
DMS1B3/6045/K Safeseal 600 x 450 710 x 560 75
DMS1B3/6060/K Safeseal 600 x 600 710 x 710 75
DMS1B3/7560/K Safeseal 750 x 600 860 x 710 75
DMS1B3/9060/K Safeseal 900 x 600 1,010 x 710 75
DMS1B3/9090/K Safeseal 900 x 900 1,020 x 1,020 75
DMS1C3/4545/K Safeseal 450 x 450 550 x 550 75
DMS1C3/6045/K Safeseal 600 x 450 710 x 560 75
DMS1C3/6060/K Safeseal 600 x 600 710 x 710 75
DMS1C3/7560/K Safeseal 750 x 600 860 x 710 75
DMS1C3/9060/K Safeseal 900 x 600 1,010 x 710 75
DMT0D4/1267/KH Highway 1,220 x 675 1,460 x 895 100
DMT0D4/1267/KH Highway 1,220 x 675 1,460 x 895 100
DMT0D4/4545/KH Highway 450 x 450 665 x 665 100
DMT0D4/4545/KH Highway 450 x 450 665 x 665 100
DMT0D4/6045/KH Highway 600 x 450 815 x 665 100
DMT0D4/6045/KH Highway 600 x 450 815 x 665 100
DMT0D4/6045/KT Tristar 600 x 450 750 x 600 100
DMT0D4/6045/KT Tristar 600 x 450 750 x 600 100
DMT0D4/6060/KH Highway 600 x 600 810 x 810 100
DMT0D4/6060/KH Highway 600 x 600 810 x 810 100
DMT0D4/6060/KT Tristar 600 x 600 760 x 760 100
DMT0D4/6060/KT Tristar 600 x 600 760 x 760 100
DMT0D4/6060/KU Unite 600 x 600 810 x 810 110
DMT0D4/6060/KU Unite 600 x 600 810 x 810 110
DMT0D4/6767/KH Highway 675 x 675 885 x 885 100
DMT0D4/6767/KH Highway 675 x 675 885 x 885 100
DMT0D4/6767/KT Tristar 675 x 675 830 x 830 100
DMT0D4/6767/KT Tristar 675 x 675 830 x 830 100
DMT0D4/6767/KU Unite 675 x 675 885 x 885 110
DMT0D4/6767/KU Unite 675 x 675 885 x 885 110
DMT0D4/7560/KH Highway 750 x 600 965 x 815 100
DMT0D4/7560/KH Highway 750 x 600 965 x 815 100
DMT0D4/7575/KH Highway 750 x 750 965 x 965 100
DMT0D4/7575/KH Highway 750 x 750 965 x 965 100
DMT0D4/9060/KH Highway 900 x 600 1,115 x 815 100
DMT0D4/9060/KH Highway 900 x 600 1,115 x 815 100
DMT0D4/9090/KH Highway 900 x 900 1,130 x 1,130 100
DMT0D4/9090/KH Highway 900 x 900 1,130 x 1,130 100
DMT0D6/1212/4 Hercules 1,200 x 1,200 1,385 x 1,385 150
DMT0D6/1267/KH Highway 1,220 x 675 1,460 x 895 150
DMT0D6/1267/KH Highway 1,220 x 675 1,460 x 895 150
DMT0D6/1267/KU Unite 1,220 x 675 1,465 x 920 150
DMT0D6/1267/KU Unite 1,220 x 675 1,465 x 920 150
DMT0D6/1515/2 Hercules 1,500 x 1,500 1,685 x 1,685 150
DMT0D6/1818/2 Hercules 1,800 x 1,800 1,990 x 1,990 150
DMT0D6/1867/KU Unite 1,830 x 675 2,075 x 920 150
DMT0D6/1867/KU Unite 1,830 x 675 2,075 x 920 150
DMT0D6/4545/KH Highway 450 x 450 665 x 665 150
DMT0D6/4545/KH Highway 450 x 450 665 x 665 150
DMT0D6/6045/KH Highway 600 x 450 815 x 665 150
DMT0D6/6045/KH Highway 600 x 450 815 x 665 150
DMT0D6/6060/KH Highway 600 x 600 810 x 810 150
DMT0D6/6060/KH Highway 600 x 600 810 x 810 150
DMT0D6/6060/KT Tristar 600 x 600 760 x 760 150
DMT0D6/6060/KT Tristar 600 x 600 760 x 760 150
DMT0D6/6060/KU Unite 600 x 600 810 x 810 150
DMT0D6/6060/KU Unite 600 x 600 810 x 810 150
DMT0D6/6060/KUE Unite 600 x 600 820 x 820 150
DMT0D6/6060/KUE Unite 600 x 600 820 x 820 150
DMT0D6/6767/KH Highway 675 x 675 895 x 895 150
DMT0D6/6767/KH Highway 675 x 675 895 x 895 150
DMT0D6/6767/KT Tristar 675 x 675 830 x 830 150
DMT0D6/6767/KT Tristar 675 x 675 830 x 830 150
DMT0D6/6767/KU Unite 675 x 675 885 x 885 150
DMT0D6/6767/KU Unite 675 x 675 885 x 885 150
DMT0D6/7560/KH Highway 750 x 600 965 x 815 150
DMT0D6/7560/KH Highway 750 x 600 965 x 815 150