S Series Pumps
Compact precision pumps ideal for accurate dosing and metering applications. Perfect for chemical dosing, laboratory use, and low-flow industrial processes.

S Series Models
Four models to match your specific flow requirements




Technical Specifications
| Model | Max Flow (GPH) | Max Flow (LPH) | Displacement | Max Pressure | Tube ID | Connection |
|---|---|---|---|---|---|---|
| S5 | 14.3 | 54.1 | 0.002 Gal/Rev | 218 PSI (15 BAR) | 5mm | 1/2" |
| S10 | 54.9 | 207.9 | 0.006 Gal/Rev | 218 PSI (15 BAR) | 10mm | 1/2" |
| S16 | 209 | 790 | 0.025 Gal/Rev | 174 PSI (12 BAR) | 16mm | 3/4" |
| S26 | 835 | 3,160 | 0.1 Gal/Rev | 218 PSI (15 BAR) | 26mm | 1 1/4" |
Ideal Applications
S Series pumps excel in precision dosing and low-flow applications

Chemical Dosing
Precise metering of chemicals with linear flow-speed relationship and no slip across a wide range of flow rates.

Laboratory & Testing
Accurate sample transfer and reagent dosing for research and quality control applications.

Water Treatment
Reliable dosing of treatment chemicals including chlorine, sodium hypochlorite, and pH adjusters.

Food & Beverage
Gentle handling of ingredients and flavoring with food-grade hose options available.

Pharmaceutical
Contamination-free transfer with PharMed hose options for pharmaceutical applications.

Printing & Ink
Consistent ink delivery with shear-sensitive handling and easy color changes.
The Rotho peristaltic pump solved our problems because of its high resistance to abrasive sludges — and with no seals or valves, maintenance costs dropped dramatically.— MARAZZI Engineering, Ceramics & Tile Manufacturing
Ready to Get Started?
Contact our team to discuss your application and get a customized pump recommendation.
Request a Quote Call (619) 298-3800