Milton Roy mRoy Engineered Pumps

The mROY® Series sets the metering pump standard for durability and performance in a compact and cost effective design. First introduced in 1962, the mROY® has proven itself to be a 24/7 metering pump with installation life expectancy of 20 years or more. Various models and frame sizes provide capacities from 0.21 GPH (0.8 l/hr) up to 170 GPH (644 l/hr). There are models that can generate up to 3,000 psi (207 bar) but still provide economical performance at low pressures.

The mROY® is used in a wide variety of applications including water and wastewater treatment, boiler chemical feed, oil and gas additives, process chemical injection, pH control chemicals, and many others. A wide range of options assure that the mROY® will meet all the application requirements within its range.

Technical characteristics
  • Flow rate: 1.9 l/h to 310 l/h (simplex version)
  • Maximum pressure: 123 bar
  • Maximum temperature of pumped fluids: +90°C
  • Liquid ends available as standard: 316L stainless steel, PVC, PVDF, Hastelloy C276, 904L or 304L
  • Adjustment while running or stopped, from 0 to 100% of nominal flow rate
  • Accurate to within ± 1% - API 675 compliant on request
  • Cast iron housing (specifically for very low temperatures)
  • Internal safety valve
  • Single or double hydraulic diaphragm with rupture detection
  • Flow rate adjustment by hydraulic bypass
  • Motor mounted with or without flexible coupling
Possible options
  • Materials compliant with offshore use of the pump
  • Liquid end materials on request
  • Sandstorm protection
  • Motor for frequency variation, NEMA mounting, explosion-proof, for specific ambient temperatures
  • Screw or flange connections (ANSI, DIN or ISO)
  • Special check valves for all types of fluid (including concentrated sulphuric acid)
  • Electronic or pneumatic actuators
  • Stroke counter
  • Possibility of duplexing (without power derating) and a reduced footprint
 

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