Grundfos
Grundfos 97722638 DDA Dosing Pump
Grundfos 97722638 DDA Dosing Pump
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The Grundfos 97722638 is a SMART Digital S DDA 17-7 diaphragm dosing pump rated for 17 l/h (4.5 GPH) at up to 7 bar (102 psi), with hose suction/discharge connections.
This build combines a PVC dosing head, EPDM gasket, ceramic valve ball, and PTFE diaphragm in the FCM control variant — flow control plus integrated flow measurement, alarm relay, and analog input. Unlike its sibling 97722639, it ships with hose suction/discharge connections rather than the full installation kit. Universal 100–240 V, 50/60 Hz single-phase supply; setting range up to 1:3000.
Pick this version when your installation already has foot valve and injection hardware in place. The EPDM gasket path suits hypochlorite and caustic services — verify compatibility against your chemical. Send us your application details and we'll point you to the right part number.
KAD Pumps & Parts is Texas-based and ships from the US — fast dispatch and US support before you buy.
Specifications
| Brand | Grundfos |
|---|---|
| Model / MPN | 97722638 (DDA 17-7 FCM, PVC/EPDM/Ceramic) |
| Pump type | Digital diaphragm dosing (metering) pump |
| Max flow | 17 l/h (4.5 GPH) |
| Max pressure | 7 bar (102 psi) |
| Control variant | FCM — flow control & measurement, alarm relay, analog input |
| Dosing head | PVC |
| Gasket | EPDM |
| Valve ball | Ceramic |
| Diaphragm | PTFE |
| Connection | Hose suction/discharge, standard valve |
| Setting range | Up to 1:3000 |
| Power | 100–240 V, 50/60 Hz, 1-phase |
Datasheet: Grundfos SMART Digital S (DDA/DDC/DDE) data booklet (PDF)
Browse all chemical metering & dosing pumps, or all pumps, at KAD.
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