Grundfos
Grundfos 93065156 DDA-C Dosing Smart Digital S Pump
Grundfos 93065156 DDA-C Dosing Smart Digital S Pump
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The Grundfos 93065156 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 handles precise low-flow chemical dosing in water treatment and industrial process applications.
This configuration uses a PVC dosing head with an FKM gasket, ceramic valve balls, and a PTFE diaphragm. PVC is a practical, cost-effective head for many common dosing chemicals, and the FKM/ceramic/PTFE wetted path adds chemical compatibility for fluids that off-gas, such as sodium hypochlorite. The variable-speed stepper motor delivers a turndown ratio up to 1:3000 for steady, near-continuous dosing.
Choose this build when PVC chemical compatibility works for your fluid and you want accurate metering at low flow. If you are unsure whether PVC and FKM suit 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 / 93065156 |
| 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 | 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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