Mazowianka is one of the main manufacturers of torsion springs for garage doors. The maximum length of the springs produced is Lmax <= 3,500 mm. The springs are made of patented spring wires according to PN-EN 10270 1 SH in the diameter range: d=5.00 - 12.00 mm.
The table below shows typical spring sizes and weights.
| D_inside [mm] |
133 (133,35) | 152 (152,40) | |||||||||||||||
| d [mm] |
7,00 | 7,50 | 8,00 | 8,50 | 9,00 | 9,50 | 10,00 | 7,50 | 8,00 | 8,50 | 9,00 | 9,50 | 10,00 | 10,50 | 11,00 | 11,50 | 12,00 |
| Weight 1mb [kg] |
19,00 | 20,40 | 21,70 | 23,20 | 24,80 | 26,20 | 27,50 | 23,20 | 24,70 | 26,30 | 28,10 | 29,70 | 31,10 | 33,00 | 34,40 | 36,30 | 37,70 |
| D_inside [mm] |
51 (50,80) | 67 (66,67) | 95 (95,25) | |||||||||||||||
| d [mm] |
5,0 | 5,50 | 6,00 | 6,50 | 7,00 | 6,00 | 6,50 | 7,00 | 7,50 | 8,00 | 6,00 | 6,50 | 7,00 | 7,50 | 8,00 | 8,50 | 9,00 | 9,50 |
| Weight 1mb [kg] |
5,40 | 6,10 | 6,60 | 7,20 | 7,90 | 8,50 | 9,20 | 10,00 | 10,80 | 11,50 | 11,80 | 12,80 | 13,90 | 14,90 | 15,90 | 17,00 | 18,20 | 19,30 |
