Machine Design

Miniature Liquid Pumps

The economical brushless dc motors in these miniature liquid pumps provide long life.

Plus, they are EMI/RFI quiet, lightweight, and more compact than traditional ac motors. Liquid-diaphragm pumps reduce tubing fatigue or failure. And the corrosion-resistant PVDF/FFPM/PTFE envelope can handle acids, caustics, and other difficult materials. These self-priming pumps will run dry indefinitely. The units feature free-flow from 50 ml to 3 lpm, and 16-ft water suction or 33-ft waterhead pressure. Applications include environmental and medical monitors, analyzers, process samplers, probe washers, inkjet printers, and portable instruments that need low current consumption and reliability.

KNF Neuberger Inc., Two Black Forest Rd., Trenton, NJ 08691, (609) 890-8600, knf.com

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