Pulsa Series


The Pulsa Series hydraulic diaphragm metering pumps was the foundation upon which Pulsafeeder was built. For over 70 years Pulsa Series hydraulic pumps have been synonymous with dependability, quality and precision engineering, and are still depended upon to provide years, even decades, of year round operation. Available with a variety of diaphragm styles to deliver everything from thin fluids to lime slurries, materials of construction for contact with the most hazardous chemicals and features and options to provide safe, remote and accurate dosing, count on Pulsa Series for the most demanding applications.

Pulsa pumps are widely used in:

  • Chemical Processing
  • Petrochemical
  • Oil and Gas
  • Water and Wastewater Treatment
  • Power

Features and Benefits


  • Full motion stroke length yields 0-100% flow adjustment
  • Linear flow predictability over a 10:1 turndown
  • 1% dosing accuracy


  • Hydraulically balanced diaphragm for long life and reduced service cost
  • Hydraulic management system assures consistent performance
  • Internal hydraulic bypass valve for pump protection against system upset
  • Epoxy coating resists corrosion from atmospheric contaminants


  • Easy maintenance with KOPkit® (Keep on Pumping kit)
  • 4-Bolt tie-bar valve assembly for service without disturbing system piping