It is responsible for injecting a fluid in small quantities with precise control of the dosed volume. A pump of this type must guarantee the same result in the detection carried out by different operators over time.
To adjust the flow in a straight line, thus ensuring its accuracy.
Technical characteristics
| TIPO | CV | 6 Ø | 11 Ø | 17 Ø | 25 Ø | 30 Ø | 38 Ø | 48 Ø | 54 Ø | 64 Ø | 76 Ø | 89 Ø |
| DR-13 | 0.25 | 2.5 | 8.2 | 20 | 44 | 62 | 100 | 155 | ||||
| DR-18 | 0.33 | 90 | 144 | 226 | 290 | 408 | ||||||
| DR-25 | 0.75 | 191 | 300 | 384 | 532 | 766 | 1042 | |||||
| DR-35 | 1 | 536 | 744 | 1072 | 1458 |
*Ø -> Piston diameter (mm)
DR-13
| Pistón | Presión Max. PVC | Presión Máx. INOX | Carrera (mm) | Bocas ASP/IMP | Peso (Kg) |
| 6 | 10 | 20 | 12.5 | 3/8 | 8 |
| 11 | 10 | 20 | 12.5 | 3/8 | 8 |
| 17 | 10 | 20 | 12.5 | 3/8 | 8.5 |
| 25 | 10 | 20 | 12.5 | 3/8 | 8.5 |
| 30 | 10 | 14 | 12.5 | 1/2 | 9.5 |
| 38 | 9 | 9 | 12.5 | 1/2 | 9.5 |
| 48 | 5.5 | 5.5 | 12.5 | 1/2 | 10 |
DR-18
| Pistón | Presión Max. PVC | Presión Máx. INOX | Carrera (mm) | Bocas ASP/IMP | Peso (Kg) |
| 30 | 20 | 17.5 | 1/2 | 11 | |
| 38 | 13 | 17.5 | 1/2 | 13 | |
| 48 | 8.5 | 8.5 | 17.5 | 1/2 | 13 |
| 54 | 6.5 | 6.5 | 17.5 | 3/4 | 14 |
| 64 | 4.5 | 4.5 | 17.5 | 3/4 | 15 |
DR-25
| Pistón | Presión Max. PVC | Presión Máx. INOX | Carrera (mm) | Bocas ASP/IMP | Peso (Kg) |
| 38 | 20 | 25 | 1/2 | 18 | |
| 58 | 17 | 17 | 25 | 3/4 | 18 |
| 54 | 10 | 13 | 25 | 3/4 | 19 |
| 64 | 9.5 | 9.5 | 25 | 1" | 21 |
| 76 | 6.5 | 6.5 | 25 | 1" | 22 |
| 89 | 4.8 | 4.8 | 25 | 1" | 24 |