These inherent metering pumps with repeatability at 99.5 % are matchbox-size. Most models include integral digital drives and displays in wash-down enclosures. The pumps are self-priming, accommodate flow rates from 0.1 mL to 350 gpm, and withstand pressure up to 232 psi. They are reversible for back-flushing lines, provide up to a 30-foot suction lift, and offer continuous flow capabilities. Typical applications for these instrument-quality pumps are in medical equipment.

Watson-Marlow Bredel, 37 Upton Technology Park, Wilmington, MA 01887, (800) 928-7786,