LMI Milton Roy is one of the leading manufacturers of Chemical Metering Pumps, Controllers, and accessories.

LMI manufactures a wide range of electronic and motor-driven metering pumps and controllers which may be used in a variety of ways – from simple chemical addition, to complete systems that control conductivity, pH, and ORP.

LMI products are designed and manufactured in ISO9001:2000 facilities throughout the world for reliable, dependable operation in a variety of applications. Spectrum Hydraulics are official Australian Distributors and Repair Agents for LMI Milton Roy products:


  • Degassing Pumps
  • Slurry Metering Pumps
  • High Viscosity Metering Pumps
  • Manual Control
    Solenoid Metering Pumps
  • Proportional Pulse
    Solenoid Metering Pumps
  • G Series Mechanical
    Diaphragm Metering Pumps


  • Back Pressure Valves
  • Pressure Relief Valves
  • Foot Valves
  • 3 & 4 Way Function
    Discharge Valves
  • Digipulse Discharge
    Monitoring Valves
  • Suction Valves


  • Tube and Fittings
  • Level Switches
  • LMI Pump Repair Kits
  • G Series Milton Roy
    Pump Repair Kits
  • LMI and Roytronic
    Complete Liquid Ends
  • Pump Wall Mounting Kits
  • Calibration Cylinders
  • Pulsation Dampeners
  • G Series Milton Roy
    Complete Liquid Ends

Find out more about LMI Milton Roy at  www.lmipumps.com
SPECTRUM HYDRAULICS – Authorised LMI Distribution and Repair Centre