Pulsafeeders Chem-Tech Series XPV pump combines the best in variable speed peristaltic pump technology with state of the art control electronics, providing unparalleled performance, control, and value. Series XPV represents the leading edge of microprocessor performance management that allows a variety of choices of input signal types, and onboard timer programs to customize this pump to any application. Of course, this pump is as rugged and reliable as its fixed speed siblings, the XPF and the XPA.