Offering flow ranges of 0.25 to 3,000ml/min., pressures up to 30 psi and the capability to handle seven different tube sizes, the easy-to-load 313D pumphead has an accuracy rate up to 99.5%, so flavorings, colorings and additives can be given true displacement without siphoning. The pumphead has no valves, is self-priming and can run dry without incurring damage. The pumphead comes with three or four rollers and fixed or variable tube clamps. Gear motors and speed controls are available in AC, DC or stepper versions.
Watson-Marlow Bredel; 800-282-8823;www.watson-marlow.com