Sigma/ 3 Series

The ProMinent® Sigma/ 3 is a mechanically-actuated diaphragm metering pump is capable of flow rates from 46 to 274.7 gph (174 - 1040 l/h) and pressures up to 174 psig (12 bar). The entire Sigma motor-driven metering pump product range, control type S1Cb/S2Cb/S3Cb, has been equipped with intelligent features to provide a high level of operating convenience, safety and efficiency. The Sigma X features a NEW removable HMI control unit with innovative click-wheel and 4 operating buttons. Also available in basic (non-microprocessor based version) and explosion-proof models.