Metering pumps are known for their flow reliability and precision of up to +-1 % guaranteeing linearity, repeatability and accuracy. They pump the medium in a controlled way in time. They are composed of three parts: liquid end, drive and mechanical drive.
| CONCEPT | HYDRAULIC DIAPHRAGM | PISTON |
| Sealing | Total | Partial |
| Temperature | Up to 150ºC | Up to 250ºC |
| Safety | Integrated Internal Valve | No Internal Valve |
| Viscosity | Medium/Low | High |
| Maintenance | Low | High |
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