500 series pumpheads

500 series pumpheads are peristaltic pump components manufactured directly by Watson-Marlow Fluid Technology Solutions, available in 520R (dual sprung roller, transparent cover, up to 9.6mm bore tubing) and 505L (virtually pulse-free 'double-Y' twin-tube, up to 4,375 mL/min) configurations, plus LoadSure element variants rated for pressures up to 7 bar. They are distributed worldwide.