Watson-Marlow Fluid Technology Group Heavy Duty Fixed-Speed DC OEM Pump 520VBM/R2

Flow rate at 60Hz up to 5,400 ml/min at 360 rpm Clutched rotor for rapid and effortless tube loading Nema 2 protection 24-hour-duty rated, one-year full warranty Chemical and knock-resistant finish Accepts six tube bore sizes without adjustment. 2.4mm thick wall tubing for higher pressure or higher viscosities. New 520R2 pumphead features PPS (Polyphenlene sulfide) track and rotor with stainless steel occlusion rollers to resist chemical attack and abrasive wear.