Lungimi curele trapezoidale
| Inaltimea h (mm) |
La=Li+ (mm) |
La=Lp+ (mm) |
Lp=Li+ (mm) |
| 5 | 31 | 12 | 19 |
| 5 | 38 | 13 | 25 |
| 8 (SPA/XPZ/9.5) | 50 | 13 | 37 |
| 8 (A/AX) | 50 | 20 | 30 |
| 10 | 63 | 18 | 45 |
| 11 | 69 | 26 | 43 |
| 12.5 | 79 | 31 | 48 |
| 13 | 82 | 22 | 60 |
| 14 | 88 | 30 | 58 |
| 15 | 100 | 39 | 61 |
| 18 | 113 | 30 | 83 |
| 20 | 126 | 51 | 75 |
| 22 | 138 | 58 | 80 |
| Conversie intre curele trapezoidale clasice si curele trapezoidale inguste | |||
| Curea trapezoidala clasica | Lungime interioara | Curea trapezoidala ingusta | Lungime nominala |
| Z | SPZLp-25 | SPZ | ZLi+25 |
| A | SPALp-32 | SPA | ALi+32 |
| B | SPBLp-47 | SPB | BLi+47 |
| C | SPCLp-58 | SPC | CLi+58 |
