mRoy XA & XB

mROY series metering pumps control chemical dosing with unmatched accuracy and reliability.  This dosing pump is durable, compact in design and enables metering of some of the harshest chemicals with repetitive steady-state accuracy at a ±1% range.

It’s not unusual to find mROY pumps still operating at design performance after 20 or more years of service.  That’s because mROY maximum uptime metering pumps are comprised of a unique set of technical features that deliver consistent chemical injection performance with minimal maintenance requirements.

With flow rates from 0.20 gph (0.8 l/h) up to 174 gph (660 l/h), it has the capability to dose a broad spectrum of chemicals in numerous process-critical environments such as chemical processing plants, municipal water treatment facilities, and remote oil production locations.




  • Flow rate from 0.20 gph (0.8 l/hr) up to 87 gph (330 l/h) in simplex configuration, or 174 gph (660 l/h) in duplex configuration.
  • Low and high pressure performance from 100 psi (5 bar) up to 3000 psi (207 bar)
  • Accuracy 1.0% over a 10:1 turndown ratio
  • Hydraulically-balanced diaphragm with 96,000 hours design life
  • Three-year warranty

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