Grundfos
Grundfos 93065155 DDA-C Dosing Smart Digital S Pump
Grundfos 93065155 DDA-C Dosing Smart Digital S Pump
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The Grundfos 93065155 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 accurate low-flow chemical dosing in water treatment and process applications.
This build uses a PVC dosing head with an FKM gasket, ceramic valve balls, and a PTFE diaphragm. PVC keeps the head economical for everyday dosing duties, while the FKM/ceramic/PTFE wetted path supports a range of chemicals, including ones that off-gas such as sodium hypochlorite. The variable-speed stepper motor provides a turndown ratio up to 1:3000 for smooth, continuous dosing rather than coarse pulses.
It suits installs where PVC compatibility is sufficient and metering accuracy across a wide flow range matters. Not certain PVC and FKM are right for your chemical? 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 / 93065155 |
| 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 | PVC |
| Diaphragm | PTFE |
| Gasket | FKM |
| Valve balls | Ceramic |
| Connection | Tubing (1/4"–1/2") |
| 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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