MS Series Peristaltic Pumps — Ragazzini

The operating principle of Ragazzini Rotho peristaltic pumps resembles natural peristalsis: sequential compression and relaxation moves material through a passage. Rollers compress an elastomer hose, pushing liquid forward while generating suction behind the contact point to draw in more product...

Technical information
Catalogue

Standard equipment

No valves or conventional seals.
Reversible flow by reversing the motor.
Self-priming from depths of up to 9.9 m.
Accurate dosing.
Can run dry without damage.
Suitable for CIP applications.
The hose is the only regularly replaced wear component.
Can pump products containing solid particles.
No contact between product and mechanical pump parts.

Optional equipment

Materials

Pump casing (stator): anticorodal aluminium or G25 cast iron.
Rotor: G25 cast iron.
Rollers: G25 cast iron with double sealed bearings.
Bearing-mounted main shaft: C40 steel.
Gaskets and O-rings: NBR/EPDM.
Hose-guide cover: Plexiglas.
Inserts and fittings: AISI 316 stainless steel; BSP, DIN 11851, Clamp, Tri-clamp, RJT, SMS, ANSI flange, DIN flange.
Alternative fitting materials: PVC, PVCC, PVDF, PTFE, PP, titanium.
Hose materials: abrasion-resistant natural rubber (NN); food-grade natural rubber compliant with FDA CFR 21 and EC 1935 (NP); nitrile (RN); food-grade nitrile compliant with FDA CFR 21 and EC 1935 (RF); EPDM (EP); Hypalon (HY); Pharmed/Tygon compliant with FDA CFR 21 and EC 1935 (PH).
Accessories: leak detector.
Pulsation dampeners: AISI 316 stainless steel or PVC.
Integrated 1.5 kW motor inverter with ON/OFF, flow-adjustment potentiometer and flow reversal.
Retractable roller-positioning system.