Pulsa Series

Pulsa Series Hydraulically Actuated Diaphragm Pumps:

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.


API-675 Compliant

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

Optional Features

Material options for safety, durability and chemical compatibility

  • 316, Alloy C, Alloy 20 or Monel ┬«
  • PVC, PVDF or Glass-Filled Teflon

Diaphragms and Check Valve Assemblies

  • Flat PTFE or Metal
  • Viton, Hypalon or PTFE HYDRAtube for slurry solutions, high suction lift applications or fluids with solids
  • Light weight disc valves are standard for high flow service
  • Slurry valve assemblies with "soft seats" for fluids with solids

Automatic Electric Stroke Length PULSAMatic Controllers

  • Available in NEMA 4X and NEMA 7
  • 0-20mA, 4-20mA, or Pneumatic control signal
  • Local manual and remote control

Diaphragm Failure Indicator

  • PULSAlarm pressure type IP66 NEMA 4X or NEMA 7
  • CHEMAlarm conductivity type

Custom Configurations

  • Remote heads for high temperatures
  • Metal diaphragms
  • Double diaphragm
  • Multiplexing
  • Variable speed motors and controls
FIND A REP Product Literature
Pulsa 7440

440 gph
1,667 l/h)


3,200 psi
221 bar)

Pulsa 7660

1,734 gph
(6563 l/h)


3,625 psi
(250 bar)

Pulsa 8480X

2,292 gph
8,675 l/h)


3,625 psi
(250 bar)

Pulsa pumps are widely used in:
  • Chemical Processing
  • Petrochemical
  • Oil and Gas
  • Water and Wastewater Treatment
  • Power