PULSA Series 7120

This rugged, leak-free hydraulic diaphragm style metering pump is designed for precise metering and long-term dependability. Its time proven drive and stroke control mechanism combined with a wide variety of wet end head designs deliver superior value for any application.

Operating Benefits:

  • Flows up to 244 gph (923 lph), and pressures up to 3000 psi (207 bar).
  • Metering accuracy with a ±1% over a 10:1 flow range.
  • Drive components carry a two-year warranty.

Key Features

  • Full motion stroke length control mechanism gives 0-100% sinusoidal flow output with infinite increments of adjustment.
  • Fully sealed drive and control mechanism with diaphragm breather to eliminate atmospheric contamination and assure extended service life.
  • Simple in-line componentry easily serviced without major disassembly.
  • Built-in hydraulic by-pass valve, make-up valve and bleeder valve for hydraulically balanced, trouble-free operation.
  • Rugged diaphragms constructed of PTFE elastomer or metal with precise hydraulic balance for safe accurate metering.
  • A broad selection of economical head, diaphragm and valve designs to handle any liquid metering application.
  • Material options to handle any liquid.

Control Options:

Electric Stroke Length Control

  • A fully electric PULSAmatic® stroke length controller is available for operation with electric instrument signals

Pneumatic Stroke Length

  • A fully pneumatic operator design for use with a typical 3 to 15 psi (0.2 to 1.0 kg/cm²) instrument air signal to produce 0 to 100% flow


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