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Safety and Reliability in a Compact Metering Pump | Primeroy K (PKG)

Designed around the patented GSD (Global Security Device) diaphragm liquid end, the PRIMEROY K (PKG) is just one of the most compact and reliable metering industrial pumps ever in its category.

Its contour plate-free technology allows the PKG for dosing of all types of fluids, including slurries and high viscous fluids, up to 660 gph (2,500 l/h) at medium pressure, up to 536 psi (37 bar). Additionally, the innovative single-oil system integrates mechanical lubrication and the hydraulic chamber, eliminating the risk of oil cross-contamination for enhanced reliability and performance.

The PRIMEROY K (PKG) compact metering pump guarantee safe, precise, and reliable dosing of any fluids, powered by its exclusive patented GSD design.

  • Material (liquid end): 316L S.S. / PVC
  • Pressure max: 536 psi / 37 bar (metallic liquid end); 150 psi / 10 bar (plastic liquid end)
  • Flow max:660 gph / 2500 lph
  • Multiplexing capabilities
  • Flow variation control: Manual/Remote
  • Certifications: API 675, EC, ATEX, IECEX

A Milton Roy’s exclusive diaphragm liquid end design, the GSD Technology ensures the safety and smooth operation of your dosing process:

- Triple hydraulic security, featuring an internal pressure safety valve, a diaphragm controlling the hydraulic refill, and the diaphragm itself is protected by a valve blocking the overrunning and the extrusion for maximum reliability.

- The Installation Monitoring Indicator (IMI) system provides real-time visual alerts for overpressure, cavitation, and pulsation dampening issues, preventing dosing inaccuracies and disturbances.

- One unique oil design for mechanical lubrication and hydraulic chamber: no risk of oil cross contamination while reducing drastically the pump footprint.

- A design without contour plates combined with the PTFE excellent chemical resistance makes the PKG ideal for injecting a huge variety of types of liquids, including clear, sensitive, slurry-laden, corrosive, toxic, abrasive, highly viscous liquids and many more.

The PRIMEROY K ensure ±1% steady state accuracy, over a range from 10 to 100% of the nominal flow rate, even under demanding conditions.

The Primeroy G - PKG series part numbers start with prefix codes PKG***. Please see datasheet for full part number configuration options.

Download manual for the catalog of Primeroy G - PKG series parts.