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Accurate Dosing Metering Pump | Primeroyal K (PK) Series

The PRIMEROYAL K (PK) is a compact API 675 metering pump providing accurate dosing with flows reaching up to 544 gph (2,062 l/h) per dosing head and pressures up to 10,007 psi (690 bar).

The PK pump has a modular design that accepts numerous liquid end technologies and options to meet the specific requirements of your demanding water treatment and industrial processes.

Primeroyal K (PK) series provides accurate dosing of a broad spectrum of fluids used in many industrial processes due to their modular design which offers several types of liquid ends, capacity control and other configuration options to meet the specific requirements of your process application.

  • Material (liquid end): 316L S.S. / 17.4-PH / PVC
  • Pressure max:
    • Diaphragm liquid end: 7251 psi / 500 bar (metallic liquid end); 150 psi / 10 bar (plastic liquid end)
    • Plunger liquid end: 10007 psi / 690 bar (metallic liquid end)
  • Flow max:
    • Diaphragm liquid end: 87 gph / 330 lph (metallic liquid end); 87 gph / 330 lph (plastic liquid end)
    • Plunger liquid end: 544 gph / 2062 lph (metallic liquid end)
  • Multiplexing capabilities
  • Flow variation control: Manual / Remote
  • Certifications: API 675, EC, ATEX, IECEX

The Primeroyal K - PK series part numbers start with prefix codes PKH*** and PKM***. Please see datasheet for full part number configuration options.

Milton Roy's PRIMEROYAL® Series Metering Pumps

Chemical / Petrochemical: chemical injection of additives, injection of co-catalyst such as TEAL for polyethylene and polypropylene, injection of sulphuric acid into water to produce diluted sulphuric acid

Food and Beverage: injection of enzymes in starch production, injection of caustic soda for process water neutralization in refining and distilling applications

Oil and Gas: chemical injection of biocide, corrosion / scale inhibitors, hydrogen sulfide (H2 S) scavengers to protect piping and other assets and maintaining production rates, transfer of steam condensate

Refinery / Downstream: chemical injection for separation and treatment of refined products, injection of paraffin inhibitor into fuel storage tanks

Water / Wastewater Treatment: Municipal (drinking) Water Treatment: disinfection, fluoridation, coagulation / flocculation, pH control, water conditioning before and / or after RO treatment in desalination plant

Industrial Water Treatment: protection of installation such as boilers and hydraulic systems to prevent scale and corrosion

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