Technical Data
B+F shaft and manhole covers are available in a range of sizes, and with an inner width of either
700 x 700 mm or 1400 x 700 mm. They comprise a cast-concrete frame and a cast, concrete-lined, cover. Covers are optionally supplied with or without ventilation, and can be fitted with a type plate or special plate with, e.g. a town name etc.
B+F shaft covers can also be supplied with a cast frame and concrete-lined, cast cover.
Class B 125
| Cover | with ventilation hole | without ventilation hole | ||
| 1-cover | 2-covers | 1-cover | 2-covers | |
| Length [mm] | 835 | 835 | 840 | 840 |
| Width [mm] | 835 | 760/ 780 | 769 | 769 |
| Height [mm] | approx. 80 | approx. 80 | approx. 80 | approx. 80 |
| inlay-Height [mm] | 80 | 80 | 80 | 80 |
| Weight [kg] | approx. 155 | approx. 145 | approx. 155 | approx. 145 |
| Frame | 1-cover | 2-covers | ||
| Length internal [mm] | 700 | 1400 | ||
| Length external [mm] | 930 | 1630 | ||
| Width internal [mm] | 700 | 700 | ||
| Width external [mm] | 930 | 930 | ||
| Height [mm] | 150 | 150 | ||
| Weight [kg] | approx. 130 | approx. 190 | ||
| Weight complete | with ventilation hole | without ventilation hole | ||
| 1-cover [kg] | 285 | 285 | ||
| 2-covers [kg] | 480 | 480 | ||
Class D 400
| Cover | with Ventilation | without Ventilation | ||
| 1-cover | 2-covers | 1-cover | 2-covers | |
| Length [mm] | 765 | 802 | 765 | 802 |
| Width [mm] | 765 | 736 | 765 | 736 |
| Depth [mm] | approx. 120 | approx. 120 | approx. 120 | approx. 120 |
| Installation depth [mm] | 51 | 110 | 51 | 110 |
| Weight [kg] | approx. 190 | approx. 200 | approx. 200 | approx. 205 |
| Frame | 1-cover | 2-covers | ||
| Length internal [mm] | 700 | 1404 | ||
| Length external [mm] | 930 | 1624 | ||
| Width internal [mm] | 700 | 703 | ||
| Width external [mm] | 930 | 923 | ||
| Height [mm] | 160 | 200 | ||
| Weight [kg] | approx. 160 | approx. 290 | ||
| Total weight | with ventilation hole | without ventilation hole | ||
| 1-cover [kg] | 350 | 360 | ||
| 2-covers [kg] | 690 | 700 | ||
B+F supplies a vast range of different shaft and manhole covers, e.g. rainwater-proof and lockable covers, and offers a range of cover surface finishes. These differ slightly with respect to their structures.
Please do not hesitate to contact one of the members of our team shown on the left for further information.
