S Series - Small
Rotho S26 Peristaltic Pump
The largest S series pump delivering high flow rates while maintaining compact dimensions for demanding small-scale applications.
Max Flow Rate
835 GPH
Max Pressure
218 PSI
Tube ID
26 mm
Displacement
0.1 Gal/Rev
Performance Specifications
Maximum Flow Rate835 GPH (3,160 LPH)
Displacement0.1 Gal/Rev (0.38 L/Rev)
Maximum Pressure218 PSI (15 BAR)
Maximum Suction Lift29.5 ft (9 m)
Maximum Speed130 RPM
Physical Specifications
Tube Inner Diameter26 mm (1.0 in)
Connection Size1 1/4"
Max Temperature185°F (85°C)
Motor Options3 HP, 2 HP, or Keco Drive
Drive TypeVFD or Keco Drive
Authorized Rotho Distributor
Required Motor Power
Performance curve showing HP (kW) requirements at various operating pressures
Flow Rate & Capacity
| Pump RPM | Capacity GPH | Capacity LPH |
|---|---|---|
| 0 | 0 | 0 |
| 20 | 119 | 451 |
| 40 | 239 | 903 |
| 60 | 358 | 1,354 |
| 80 | 477 | 1,806 |
| 100 | 596 | 2,257 |
| 120 | 716 | 2,709 |
| 140 | 835 | 3,160 |
Curves shown at: 218 PSI, 116 PSI, 58 PSI, 29 PSI
Standard Features
Leak Detection
Auto-shutdown on hose failure
Clear Window
Visual inspection access
Modular Design
Easy maintenance
Integral Gearbox
Maintenance-free coupling
Ideal Applications
Construction
Grout, mortar, and slurry pumping
Mining
Abrasive tailings and reagent dosing
Water Treatment
Chemical dosing and sludge transfer
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
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