500 series close-coupled pumps

Close-coupled industrial pump

Watson-Marlow 521VI/RELC, 521I/RELC, 521F/RELC, 521FX/RELC: 0 bar to 2 bar IP55 pumps fitted with LoadSure® low-pressure element pumpheads.

521 close-coupled pumps offer IP55 ingress protection for industrial environments. They offer rugged, industrial pumping, with all the pumphead features of cased drives, but at the lowest whole-life cost.

  • 520REL low-pressure LoadSure element pumphead features large swept volume with sprung rollers for high accuracy
  • Chemically-resistant polyphenylene sulphide track and rotor, and stainless steel rollers and bearings
  • Low rotational speeds significantly increase tube life and system reliability
  • Clutched rotor for rapid, effortless tube loading
  • Rugged, tool-unlockable guard

FEATURES