Illinois Phone: (847) 841-PUMP (7867)
Minnesota Phone: (651) 758-PUMP (7867)

Pump Supply Inc. is a leader in the industrial pump industry serving the Midwest. We pride ourselves on the best pump selection, pricing, and customer service. Our sales engineers are well trained in helping you select the right pump for your application.


Prevent. Ensure. Protect.

SENTRY Pulsation Dampeners, Surge Suppressors and Inlet Stabilizers protect pumps and system components from destructive pulsation, surges and hydraulic shock.  Prevent premature pump failure, pipe breakage, product agitation and system contamination.  Ensure a steady, continuous fluid flow and increase service life of all system components.

SPILLSTOP Spill Prevention and Leak Containment prevent hazardous and costly spills when diaphragms fail.

SENTINEL Diaphragm Seals and Gauge Guards protect  gauges and instruments from corrosive process fluids

Call Pump Supply Inc to help determine the solution for your process.


    • Sentry Pulsation Dampeners

      • Sizes available for all positive displacement pumps with discharge sizes from 1/8″  to 6″
      • Simple, reliable design and quick installation
      • Easy in-line maintenance
      • Pressure ranges up to 4000 psi  available from stock
      • Custom models to 25,000p psi
      • Temperature ranges from -60 F to 400 F available from stock
      • Bodies available in a full range of chemically resistant materials
      • Bladders available for even the most corrosive applications

      Related Documents

      Sentry Process Solutions

      SENTRY Air Control Options

      Sentry Technical Specifications

      Adjustable Automatic IOM

      Chargeable IOM

      Inlet Stabilizer IOM



    • Sentinel Gauge Guards

      Protect and isolate all forms of system instruments from hazardous and corrosive process fluids.

      Related Documents:

      Sentinel Flyer

      Sentinel IOM

    • SpillStop Leak Containment

      The patented SPILLSTOP Leak Containment System prevents costly and hazardous spills caused by pump diaphragm failure. The SPILLSTOP’s patented design safely captures leaked product while effectively shutting down failing pumps.

      Related Documents:

      Spillstop Flyer

      Spillstop IOM