| Cat.Ref. | DN | DN1 | L | L1 |
| VZA4 | 100 | – | 2×25 | 200 |
| VZA6 | 150 | – | 2×40 | 200 |
| VZA9 | 225 | 50 | 3×25 | 250 |
| VZA12 | 300 | 80 | 3×40 | 250 |
| VZA16 | 400 | 100 | 3×40 | 275 |
| VZA18 | 450 | 100 | 4×40 | 275 |
| VZA24 | 600 | 100 | 4×40 | 300 |
CYLINDRICAL GLASS VESSEL COVERS
| Cat.Ref. | DN | DN1 | L | L1 |
| VZA4 | 100 | – | 2×25 | 200 |
| VZA6 | 150 | – | 2×40 | 200 |
| VZA9 | 225 | 50 | 3×25 | 250 |
| VZA12 | 300 | 80 | 3×40 | 250 |
| VZA16 | 400 | 100 | 3×40 | 275 |
| VZA18 | 450 | 100 | 4×40 | 275 |
| VZA24 | 600 | 100 | 4×40 | 300 |