ProMinent® Sigma/ 3 Motor-driven Metering Pump, 1-1/2" NPT, 115 to 230 V,

Low-pressure, motor-driven metering pump constructed to perform all metering tasks for increased sustainability, reduced costs, and environment-friendly results. Robust pump with hygienic design with stroke control motors for adjusting the stroke length. Multi-layer diaphragm with diaphragm rupture warning system and integrated relief valve to protect against overloading.