Milton Roy MAXROY Series Industrial Grade Metering Pump

For the toughest chemical processing applications

Product Description

The MAXROY Series Industrial Grade Metering Pump is a rugged, reliable pump that can be used in a wide variety of applications. It is made of cast iron with a chemical resistant coating, making it ideal for use in harsh environments. The pump has a flow rate of up to 290 gph (1,100 l/h) and a pressure of up to 406 psi (28 bar). It is also available in a variety of options, including explosion-proof motors and double diaphragms.


  1. Rugged construction: The hydraulically balanced diaphragm provides reliable chemical delivery with preventative maintenance.
  2. Chemical resistant coating: Dust-tight cast iron housing with durable coating stands up to the harshest environment. The Internal adjustable pressure relief valve protects the pump from over pressure conditions.
  3. Wide flow rate and pressure range
  4. Variety of options: Capacity adjustable allows flexible control while a wide variety of available wetted materials assures fluid compatibility.
  5. Easy to operate and maintain
  6. Comprehensive warranty


Performance by the numbers
  • Standard turndown ratio of 10:1 expandable with various options to fit application requirements
  • Steady state accuracy ±1%
  • Capacity ranges up to 290 gph (1100 l/hr)
  • Pressures up to 406 psi (28 bar)
  • Explosion-proof motors, double diaphragms


For a wide array of chemical processes

The absence of contour plates enables the MAXROY series metering pumps to handle a broad spectrum of chemicals including acids, caustics, slurries, viscous materials, and many other process additives. It has been used in a wide range of industry installations including water and waste treatment, power, paper, mining, oil and gas, agriculture, and chemical processing.