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- Rotorflo Stainless Steel Rotary Lobe Pumps
- Rotorflo R4 Series Rotary Lobe Pumps – Standard Build (65 – 100mm)
Rotorflo R4 Series Rotary Lobe Pumps – Standard Build (65 – 100mm)

Rotorflo R4 Series Rotary Lobe Pumps – Standard Build (65 – 100mm)
Rotorflo R4 series 316 stainless steel rotary lobe pumps, standard build: R41, R42, R43 with 65, 80, 100 mm ports, displacement at 1 000 rpm R41 45 m³/h, R42 65 m³/h, R43 96 m³/h, pressures up to 15 bar. Supplied without fittings or with DIN or BS4504 fittings, with or without pressure relief valve.
| Models | R41, R42, R43 |
| Ports | 65, 80, 100 mm |
| Displacement at 1 000 rpm | R41 45 m³/h, R42 65 m³/h, R43 96 m³/h |
| Max. pressure | up to 15 bar (up to 700 rpm) |
| Speed range | 100 – 1 000 rpm |
| Options | no fittings, DIN or BS4504 fittings; with or without relief valve |
How to choose: choose the model by flow at your speed, then the fittings and relief valve; we size the drive.
| Complete Specifications, Sizing and Price Guide – Click Here |
| Rotorflo R41 – Performance Curve PDF, 31 kB | Download |
| Rotorflo R42 – Performance Curve PDF, 28 kB | Download |
| Rotorflo R43 – Performance Curve PDF, 28 kB | Download |
| Rotorflo R2, R3 and R4 – Dimensions PDF, 1532 kB | Download |
- Rotorflo R41 MS Stainless Steel Rotary Lobe Pump - Standard Build, Excluding Fittings and Valves / 65mm
R 328,454.37The Rotorflo R41 MS is a Rotorflo R41 MS stainless steel rotary lobe pump – Standard Build.SpecificationsBrandRotorfloItem code29590ModelRotorflo R41 MSBuildStandard Build, Excluding Fittings and Valves / 65mmTypePositive displacement rotary lobe pump, 316 stainless steel wetted parts – gentle, low-shear, self-priming, ... - Rotorflo R41 MS Stainless Steel Rotary Lobe Pump - Standard Build, DIN Fittings, excl. Pressure Relief Valve / 65mm
R 340,845.62The Rotorflo R41 MS is a Rotorflo R41 MS stainless steel rotary lobe pump – Standard Build.SpecificationsBrandRotorfloItem code830007525ModelRotorflo R41 MSBuildStandard Build, DIN Fittings, excl. Pressure Relief Valve / 65mmTypePositive displacement rotary lobe pump, 316 stainless steel wetted parts – gentle, ... - Rotorflo R41 MS Stainless Steel Rotary Lobe Pump - Standard Build, DIN Fittings, incl. Pressure Relief Valve / 65mm
R 390,439.37The Rotorflo R41 MS is a Rotorflo R41 MS stainless steel rotary lobe pump – Standard Build.SpecificationsBrandRotorfloItem code830007561ModelRotorflo R41 MSBuildStandard Build, DIN Fittings, incl. Pressure Relief Valve / 65mmTypePositive displacement rotary lobe pump, 316 stainless steel wetted parts – gentle, ... - Rotorflo R42 MS Stainless Steel Rotary Lobe Pump - Standard Build, Excluding Fittings and Valves / 80mm
R 344,209.37The Rotorflo R42 MS is a Rotorflo R42 MS stainless steel rotary lobe pump – Standard Build.SpecificationsBrandRotorfloItem code29600ModelRotorflo R42 MSBuildStandard Build, Excluding Fittings and Valves / 80mmTypePositive displacement rotary lobe pump, 316 stainless steel wetted parts – gentle, low-shear, self-priming, ... - Rotorflo R42 MS Stainless Steel Rotary Lobe Pump - Standard Build, DIN Fittings, excl. Pressure Relief Valve / 80mm
R 356,600.62The Rotorflo R42 MS is a Rotorflo R42 MS stainless steel rotary lobe pump – Standard Build.SpecificationsBrandRotorfloItem code830007526ModelRotorflo R42 MSBuildStandard Build, DIN Fittings, excl. Pressure Relief Valve / 80mmTypePositive displacement rotary lobe pump, 316 stainless steel wetted parts – gentle, ... - Rotorflo R42 MS Stainless Steel Rotary Lobe Pump - Standard Build, DIN Fittings, incl. Pressure Relief Valve / 80mm
R 406,194.37The Rotorflo R42 MS is a Rotorflo R42 MS stainless steel rotary lobe pump – Standard Build.SpecificationsBrandRotorfloItem code830007562ModelRotorflo R42 MSBuildStandard Build, DIN Fittings, incl. Pressure Relief Valve / 80mmTypePositive displacement rotary lobe pump, 316 stainless steel wetted parts – gentle, ... - Rotorflo R43 MS Stainless Steel Rotary Lobe Pump - Standard Build, Excluding Fittings and Valves / 100mm
R 358,915.00The Rotorflo R43 MS is a Rotorflo R43 MS stainless steel rotary lobe pump – Standard Build.SpecificationsBrandRotorfloItem code29610ModelRotorflo R43 MSBuildStandard Build, Excluding Fittings and Valves / 100mmTypePositive displacement rotary lobe pump, 316 stainless steel wetted parts – gentle, low-shear, self-priming, ... - Rotorflo R43 MS Stainless Steel Rotary Lobe Pump - Standard Build, DIN Fittings, excl. Pressure Relief Valve / 100mm
R 369,998.12The Rotorflo R43 MS is a Rotorflo R43 MS stainless steel rotary lobe pump – Standard Build.SpecificationsBrandRotorfloItem code830007527ModelRotorflo R43 MSBuildStandard Build, DIN Fittings, excl. Pressure Relief Valve / 100mmTypePositive displacement rotary lobe pump, 316 stainless steel wetted parts – gentle, ... - Rotorflo R43 MS Stainless Steel Rotary Lobe Pump - Standard Build, DIN Fittings, incl. Pressure Relief Valve / 100mm
R 419,591.87The Rotorflo R43 MS is a Rotorflo R43 MS stainless steel rotary lobe pump – Standard Build.SpecificationsBrandRotorfloItem code830007563ModelRotorflo R43 MSBuildStandard Build, DIN Fittings, incl. Pressure Relief Valve / 100mmTypePositive displacement rotary lobe pump, 316 stainless steel wetted parts – gentle, ... - Rotorflo R41 MS Stainless Steel Rotary Lobe Pump - Standard Build, BS4504 Fittings, excl. Pressure Relief Valve / 65mm
R 344,151.87The Rotorflo R41 MS is a Rotorflo R41 MS stainless steel rotary lobe pump – Standard Build.SpecificationsBrandRotorfloItem code830007543ModelRotorflo R41 MSBuildStandard Build, BS4504 Fittings, excl. Pressure Relief Valve / 65mmTypePositive displacement rotary lobe pump, 316 stainless steel wetted parts – gentle, ... - Rotorflo R41 MS Stainless Steel Rotary Lobe Pump - Standard Build, BS4504 Fittings, incl. Pressure Relief Valve / 65mm
R 393,745.62The Rotorflo R41 MS is a Rotorflo R41 MS stainless steel rotary lobe pump – Standard Build.SpecificationsBrandRotorfloItem code830007579ModelRotorflo R41 MSBuildStandard Build, BS4504 Fittings, incl. Pressure Relief Valve / 65mmTypePositive displacement rotary lobe pump, 316 stainless steel wetted parts – gentle, ... - Rotorflo R42 MS Stainless Steel Rotary Lobe Pump - Standard Build, BS4504 Fittings, excl. Pressure Relief Valve / 80mm
R 359,906.87The Rotorflo R42 MS is a Rotorflo R42 MS stainless steel rotary lobe pump – Standard Build.SpecificationsBrandRotorfloItem code830007544ModelRotorflo R42 MSBuildStandard Build, BS4504 Fittings, excl. Pressure Relief Valve / 80mmTypePositive displacement rotary lobe pump, 316 stainless steel wetted parts – gentle, ... - Rotorflo R42 MS Stainless Steel Rotary Lobe Pump - Standard Build, BS4504 Fittings, incl. Pressure Relief Valve / 80mm
R 409,500.62The Rotorflo R42 MS is a Rotorflo R42 MS stainless steel rotary lobe pump – Standard Build.SpecificationsBrandRotorfloItem code830007580ModelRotorflo R42 MSBuildStandard Build, BS4504 Fittings, incl. Pressure Relief Valve / 80mmTypePositive displacement rotary lobe pump, 316 stainless steel wetted parts – gentle, ... - Rotorflo R43 MS Stainless Steel Rotary Lobe Pump - Standard Build, BS4504 Fittings, excl. Pressure Relief Valve / 100mm
R 373,304.37The Rotorflo R43 MS is a Rotorflo R43 MS stainless steel rotary lobe pump – Standard Build.SpecificationsBrandRotorfloItem code830007545ModelRotorflo R43 MSBuildStandard Build, BS4504 Fittings, excl. Pressure Relief Valve / 100mmTypePositive displacement rotary lobe pump, 316 stainless steel wetted parts – gentle, ... - Rotorflo R43 MS Stainless Steel Rotary Lobe Pump - Standard Build, BS4504 Fittings, incl. Pressure Relief Valve / 100mm
R 422,898.12The Rotorflo R43 MS is a Rotorflo R43 MS stainless steel rotary lobe pump – Standard Build.SpecificationsBrandRotorfloItem code830007618ModelRotorflo R43 MSBuildStandard Build, BS4504 Fittings, incl. Pressure Relief Valve / 100mmTypePositive displacement rotary lobe pump, 316 stainless steel wetted parts – gentle, ...
