Rotho M55 Pump
M Series - Medium

Rotho M55 Peristaltic Pump

High-capacity medium series pump for demanding industrial applications requiring significant flow rates with reliable performance.

Max Flow Rate
4,871 GPH
Max Pressure
218 PSI
Tube ID
55 mm
Displacement
0.845 Gal/Rev

Performance Specifications

Maximum Flow Rate4,871 GPH (18,438 LPH)
Displacement0.845 Gal/Rev (3.2 L/Rev)
Maximum Pressure218 PSI (15 BAR)
Maximum Suction Lift29.5 ft (9 m)
Maximum Speed87 RPM

Physical Specifications

Tube Inner Diameter55 mm (2.2 in)
Connection Size2"
Max Temperature185°F (85°C)
Motor Options5 - 20 HP
Drive TypeDirect / Gear Reduced
Ragazzini Authorized Rotho Distributor

Required Motor Power

Performance curve showing HP (kW) requirements at various operating pressures

Rotho M55 Required Motor Power Performance Curve

Flow Rate & Capacity

Pump RPM Capacity GPH Capacity LPH
000
201,0043,802
402,0087,603
603,01311,405
804,01715,206
1005,02119,008
1206,02622,810

Curves shown at: 218 PSI, 116 PSI, 58 PSI, 28 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

Mining

Tailings and concentrate transfer

Construction

Grout and concrete pumping

Chemical

Process chemical transfer

We automated tank-mixer filling with the Rotho pump — no damage to the product and above all, the whole nuts remain intact through the transfer process.
— FABBRI SPA, Food & Confectionery Manufacturing

Ready to Get Started?

Contact our team for pricing, lead times, and application assistance.

Request a Quote