ALUMINIUM MANHOLE COVER
A – type (TYPE A)
[Diagram of A – type aluminium manhole cover with dimensions labeled as L, L1, L2, B, b1, b2, S, etc.]
Specification Table for A – type
| Type | Nominal Size | L | L1 | L2 | B | b1 | b2 | S | Diameter DIA | Number of Bolts | Weight (kg) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| A | 450X350 | 450 | 470 | 570 | 350 | 370 | 420 | 470 M24 | 4 | 7.3 (for 4 bolts); 9.7 (for 6 bolts); 12.2 (for 8 bolts); 14.6 (for 10 bolts); 19.4 (for 12 bolts) | |
| A | 500X400 | 500 | 520 | 620 | 400 | 420 | 520 | 520 M24 | 6 (and other quantities as above – listed) | Corresponding weights as above – listed for different bolt numbers |
B – type (TYPE B)
[Diagram of B – type aluminium manhole cover with dimensions labeled as L, L1, L2, B, b1, b2, S, etc.]
Specification Table for B – type
| Type | Nominal Size | L | L1 | L2 | B | b1 | b2 | S | Diameter DIA | Number of Bolts | Weight (kg) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| B | 450X350 | 450 | 470 | 570 | 350 | 370 | 420 | 470 M24 | 4 | 9.5 (for 4 bolts); 10.8 (for 6 bolts); 12.0 (for 8 bolts); 13.2 (for 10 bolts); 16.7 (for 12 bolts) | |
| B | 500X400 | 500 | 520 | 620 | 400 | 420 | 520 | 520 M24 | 6 (and other quantities as above – listed) | Corresponding weights as above – listed for different bolt numbers |
Attention please: The description may be different with the goods, please check with us when order.
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