The Econ VX has an adjustable potentiometer and the FX is a fixed speed pump.
Both the Econ VX and FX offer a totally enclosed design with a brushed motor for light duty or general intermittent applications. The pumps work well for fluid transfer, sampling or injecting a variety of solutions. Some applications could be metering brighteners or phosphates for metal plating bath solutions or metering corrosion inhibitors or polyphosphates for corrosion and scale control in cooling towers.

Stenner E10VXHA1S6 Econ VX Compact peristaltic metering pump 80 PSI / 1.7- 14 GPD – 115V

Original price was: $524.59.Current price is: $338.00.
SKU: E10VXHA1S6

Stenner E10VXHB1S6 Econ VX Compact peristaltic metering pump 80 PSI / 1.7- 14 GPD – 230V

Original price was: $524.59.Current price is: $338.00.
SKU: E10VXHB1S6