In Grundfos metering pump ( GRUNDFOS ) models whose driving force is produced by a stepper motor, the DDE series is placed in the category of pumps that are sold without a digital display and in analog format. This series is produced in 5 models with flow rates of 6, 15, 60, 120 and 200 liters per hour and with a maximum pressure of 10 bar. Furthermore, the head of this pump is available with PP, PVC and steel materials. Below you can see the technical specifications of this model.
GRUNDFOS DDE series metering pump
| flow rate | ۶ to 200 (liters per hour) |
|---|---|
| The amount of pressure | ۴ to 10 (times) |
| Fluid suction rate | ۱.۵ to 6 (meters) |
| Fluid temperature range | -۱۰ to 50 (degrees Celsius) |
| Fluid concentration | ۵۰ to 100 (millipascals) |
| Engine power | ۱۹ to 62 watts |
| protection class | IP65 |
| Pump head material | PVC, PP, steel |
| Diaphragm type | PTFE |