| Materials of Construction | Size | Standard | Nominal Capacity at Maximum Speed | Maximum | Maximum Pressure | ||
| Inches | GPM | M3/Hr | RPM | PSI | BAR | ||
| CAST IRON | G | 1 | 8 | 2 | 1,750 | 200 | 14 |
| H | 1.5 | 15 | 3 | 1,750 | 200 | 14 | |
| HL | 1.5 | 30 | 7 | 1,750 | 200 | 14 | |
| AK | 2 | 50 | 11 | 1,150 | 200 | 14 | |
| K | 2 | 75 | 17 | 780 | 200 | 14 | |
| KK | 2 | 100 | 23 | 780 | 200 | 14 | |
| L | 2 | 135 | 31 | 640 | 200 | 14 | |
| LQ | 2.5 | 135 | 31 | 640 | 200 | 14 | |
| LL | 3 | 140 | 32 | 520 | 200 | 14 | |
| LS | 3 | 200 | 45 | 640 | 200 | 14 | |
| Q | 4 | 300 | 68 | 520 | 200 | 14 | |
| QS | 6 | 500 | 114 | 520 | 200 | 14 | |