CPI Compression

Hi-Flo RS Valve

Developed specifically for customers who are operating compressors installed in offshore production platforms, FPSOs and remote facilities where no maintenance workshops are available, our Hi-Flo™ Replaceable Seat compressor valves eliminate the need for off-site reconditioning.


  • Valve housing — Stainless steel for corrosion resistance
  • Valve rings — radiused ring profile design provides better gas transmission and sealing performance
  • Springs and buttons — Durable and corrosion resistant
  • Replaceable seat — Eliminates wear to the valve housing
  • Simplifies maintenance at remote or hazardous compressor operations
  • Performs well under severe operating conditions as well as in processing of gases that contain liquid slugs and debris
  • Eliminates need for spare valve inventory, reducing operating costs
  • Easily reconditioned
    • No reduction in valve seat thickness
    • No adjustment is needed if unloader fingers are fitted
    • No special tooling or presses needed to remove the seat plate
  • Reliable in oil, gas, petrochemical and air separation industries
  • Non-replaceable components are produced in stainless steel to prevent corrosion
  • Suitable for:
    • both lubricated and non-lubricated compressors
    • sour gas applications
    • compressor speed over 1,200 RPM


  • Nose diameter — 2.95 in/75 mm and up
  • Capable of operating across a wide range of parameters, including:
    • temperatures up to 390°F/200°C
    • pressures up to 3,600 psi/250 bar
  • Rings and seat plate are made with highly durable PEEK-based material



Compressor Valves Overview

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