Grundfos
Grundfos 93065176 DDA-C Dosing Smart Digital S Pump
Grundfos 93065176 DDA-C Dosing Smart Digital S Pump
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The Grundfos 93065176 is a SMART Digital S DDA 7.5-16 diaphragm metering pump — a stepper-motor dosing pump rated to 7.5 l/h (2 GPH) at up to 16 bar (232 psi). It is built for precise chemical dosing in water treatment and industrial process lines where the dose has to stay accurate across a wide flow range.
This build pairs a PVDF (Kynar) dosing head with an FKM gasket, ceramic valve balls, and a PTFE diaphragm. That wetted set stands up to aggressive and oxidizing chemicals — including fluids that off-gas, such as sodium hypochlorite — better than a standard plastic head. The variable-speed stepper motor gives a turndown ratio up to 1:3000 for smooth, near-continuous dosing instead of pulsed shots.
It is a strong fit when you need tight metering accuracy on a demanding chemical and want PVDF chemical resistance. Not sure this head and elastomer combination suits your fluid? Send us your application details and we will point you to the right part number.
KAD is Texas-based and ships from the US, with US support before you buy — short lead times and simple online ordering.
Specifications
| Brand | Grundfos |
| Model / MPN | DDA 7.5-16 / 93065176 |
| Type | SMART Digital S diaphragm dosing/metering pump (stepper motor) |
| Max flow | 7.5 l/h (2 GPH) |
| Max pressure | 16 bar (232 psi) |
| Turndown ratio | Up to 1:3000 |
| Dosing head | PVDF (Kynar) |
| Diaphragm | PTFE |
| Gasket | FKM |
| Valve balls | Ceramic |
| Connection | 1/4" OD hose |
| Power supply | 100–240 V, 50/60 Hz, single phase |
Datasheet: Grundfos SMART Digital S DDA, DDC, DDE (up to 30 l/h) — data booklet (PDF)
Browse all chemical metering & dosing pumps, or all pumps, at KAD.
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