The ProMinent beta is a microprocessor-based diaphragm solenoid metering pump capable of flows from 0.16 to 8.45 gph (0.59 to 32 l/h) and pressures to 363 psi (25 bar).

• Certified to NSF/ANSI 61 (acrylic or PVDF liquid ends)


• 50% less power consumption


• Auto-degassing liquid ends ideal for off-gassing chemicals such as bleach


• Capable of handling up to 3000 cps of viscous media such as polymers


• Integral bleed valve eliminates priming issues


• Continuous monitoring of chemical supply with optional dual stage level switch


• Adjustable stroke length and stroke frequency


• Fault and pacing relays optional


• Standard external control via potential-free contacts with pulse step-up and step-down to adapt to existing signal transducers of 64:1 to 1:64


• (Optional) External control via standard 4-20 mA and potential-free contacts with pulse step-up and step-down of 32:1 to 1:32

• Continuous stroke length adjustment from 0-100% (recommended 30-100%)


• Supplied in PP, Acrylic, PVDF, PTFE, stainless steel


• Patented deaeration for PP, Acrylic and PVDF


• Self-degassing dosing head type in PP and Acrylic


• HV liquid end for highly viscous media


• Power supply 100 - 230 V as standard


• 10-setting stroke frequency adjustment from 10-100 %


• External control via voltage-free contacts


• Connector for 2-stage level switch


• 3 LED display for operation, warning, and fault indication

• Industry:
  Aquaculture, Chemical, Clinical/Medical Lab, Drinking Water, Fertigation, Food & Beverage, Oil & Gas, Petroleum, Storm Water, Waste Water, Hospitality, Agriculture