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 accuracyChemically-resistant polyphenylene sulphide track and rotor, and stainless steel rollers and bearingsLow rotational speeds significantly increase tube life and system reliabilityClutched rotor for rapid, effortless tube loadingRugged, tool-unlockable guard
Pumphead options available as standard (others available on request):
520R and 520R2 pumpheads for continuous tubing520REL, 520REM and 520REH pumpheads for tube elements (for low, medium and high pressures)501RLCA and 501RL2CA ATEX pumpheads for continuous tubing
Drive options available:
521VI integral inverter521F fixed speed521FX duplex fixed speed521I inverter controlled
Features and benefits
Flow rates up to 4,600 ml/min at 2 bar peak pressure with 520 LoadSure elements520RELC pumphead features PPS (Polyphenylene Sulphide) track and rotor with stainless steel occlusion rollers to resist chemical attack and abrasive wearHeavy-duty pumphead construction with impact-proof safeguardSprung rotor gently compresses tubing using large low friction rollers with sealed bearings, guaranteeing long tube life and accurate meteringFast and simple pumphead set-up using a clutched rotor for effortless element loading
