P4 - PowerStar 4 Pump

Product Brand: Sprague

One common air motor module for all eight ratios.


The air-driven modular Powerstar 4 pump is efficient in operation and has a reliable and energy efficient modular design. One common air motor module for all eight ratios.

  • Modular design
  • 8 ratios
  • Max output pressure to 33,500 psig
  • Easy conversion to separated (non-contaminating) configuration
  • Designed for hydrostatic testing of pressure vessels using various liquids
  • Low volume , high pressure testing
  • No lubrication required
  • All stainless steel wetted parts
  • Compatible for water and other corrosive chemicals

Available Modifications:

  • Separated configuration available
  • Double-ended unit for higher flows
  • Seal  material options

The Sprague Products patented pump system can be used to pump a wide variety of liquids to high-output pressures. It is assembled from modules, resulting in a broader product offering with reduced inventory levels. The air driven pumps are non-arcing and non-sparking, and can be used safely in confined areas. Easy assembly and service for air motor and high pressure modules. Separated pumps are widely used in the food industry.

P4 - PowerStar 4 Pump
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