TYPE AA MANHOLE COVER

Nominal size L1 B1 L2 B2 L3 B3 S S1 Fastener Weight
D. Qty
450×350 470 370 548 448 598 498 4 4 M20 18 17.4
6 4 23.1
8 6 31.0
10 8 38.6
12 10 46.4
500×400 520 420 598 498 648 548 6 4 26.4
8 6 35.4
10 8 44.5
12 10 53.6
14 12 62.7
600×400 620 420 698 498 748 548 8 6 20 41.2
10 8 51.8
12 10 62.4
14 12 72.9
16 14 83.5
600×450 620 470 698 548 748 598 8 6 22 43.9
10 8 55.0
12 10 66.2
14 12 77.4
16 14 88.7
18 16 99.0
800×600 820 620 898 698 948 748 12 10 26 98.9
14 12 115.7
16 14 132.4
18 16 149.2
20 18 166.0
22 20 182.9
24 22 199.7