The ProSeries-M M-4 peristaltic metering pump from Blue-White Industries is suited to pumping a wide range of aggressive, gaseous and often viscous chemicals, providing quiet, smooth, low-velocity pumping action. It comes standard with a no-maintenance, brushless variable speed motor. The units have a 10,000-1 turndown ratio with high-resolution motor speed adjustment. Its TFD (Tube Failure Detection) system automatically shuts off the pump and energizes a relay, permitting communication with external devices in the case of a tubing rupture. The TFD system will detect a wide range of conductive chemicals, with no false triggering. The unit has a method for extending pump tube life, as well as a Component Control System that eliminates the need for an external PLC. It offers feed rates from .0028 to 158.5 gph, pressures to 125 psi, a revolution count display, NEMA 4X washdown and is NSF-listed Standard 61. 714/893-8529; www.blue-white.com.