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Durable Dosing Pump for Accurate Injection | MAXROY B

Built to meet API 675 standards, the MAXROY B dosing pump ensures years of reliable, safe, and flexible performance for the toughest chemical processing applications.

Its cast iron housing with chemical resistant coating enables the pump to be used in the harshest environments while the absence of contour plates enables all types of fluids to be dosed: slurry, viscous, clear, corrosive, toxic, volatile, abrasive, inflammable, etc.

  • Material (liquid end): 316L S.S. / PVC
  • Pressure max: 406 psi / 28 bar (metallic liquid end); 145 psi / 10 bar (plastic liquid end)
  • Flow max: 291 gph / 1100 lph
  • Multiplexing capabilities: Duplex and Triplex
  • Flow variation control: Manual / Remote
  • Certifications: API 675, EC, ATEX, IECEX

This product is not available in the US and Canada.

The MAXROY B is a hydraulically actuated diaphragm pump, ideal for dosing all types of fluids even the most challenging at moderate pressure with ±1 % steady-state accuracy.

Meeting API 675 standards, the MAXROY B ensures long-term reliable performance. Its hydraulically balanced diaphragm delivers precise chemical dosing while minimizing wear, making preventative maintenance straightforward and predictable.

Built for durability and safety, the pump features a dust-tight cast iron housing with a high-resistance coating to withstand even the most demanding environments. An internal adjustable pressure relief valve, operated in the hydraulic oil circuit, protects the pump against excess pressure caused by discharge line blockages or accidental valve closures, ensuring safe and continuous operation.

To adapt to your specific process requirements, the MAXROY B offers adjustable capacity for precise flow control and is available with a wide selection of options and wetted materials to ensure compatibility with a broad range of fluids and applications.

The Maxroy B series part numbers start with prefix codes RB***. Please see datasheet for full part number configuration options.

Download manual for the catalog of Maxroy B series parts.

For a wide array of processes: The absence of contour plates enables the MAXROY B dosing pumps to handle a huge variety of types of liquid, including normal chemicals plus viscous, slurry-laden, abrasive, corrosive, shear-sensitive and many other process fluids. It has been used in a wide range of applications in many different industrial sectors, among them food & beverage, water and waste treatment, power, paper, mining, oil and gas, agriculture, and chemical processing.

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