Source-backed reference

Quincy QSI-75 Premium Fixed Speed Rotary Screw Air Compressor 75 HP

Reference information only. Confirm the actual equipment, configuration and supplied contents in the quotation. This reference does not confirm stock, installed compatibility or a certified supplied item.

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Source reference illustration
Retained source illustration. Model candidate illustration; exact execution and configuration are not approved.

Reference overview

QSI-75 is a Quincy fixed-speed rotary-screw compressor. Its 75 hp / 55 kW source entry has separate pressure/flow rows below; these are individual published duties rather than a continuous operating envelope.

Recorded reference facts

Published pressure/flow pair
390.2 ACFM with pressure column 100/110 PSIACFM and PSI retained exactly as printed; no SCFM conversion, intermediate duty or cross-row combination inferred. Slash-separated pressure notation is not defined by this sheet; no rated/max-pressure interpretation or selection interval is assumed.
Published pressure/flow pair
357.9 ACFM with pressure column 125/128 PSIACFM and PSI retained exactly as printed; no SCFM conversion, intermediate duty or cross-row combination inferred. Slash-separated pressure notation is not defined by this sheet; no rated/max-pressure interpretation or selection interval is assumed.
Power
75 hp; 55 kWPower columns as printed; motor rating versus total package input is not independently established.
Weight
3545 lbPublished package row; final execution and transport requirements need confirmation.
Sound level
72.7 dBAPrinted dBA row; measurement distance/load basis not fully specified here. No site noise guarantee.

Applications

  • Industrial compressed-air generation at the selected pressure and flow.
  • Steady-demand compressed-air systems.

Configurations

  • QSI-75 · Pressure as printed psi: 100/110 · Flow acfm: 390.2 · Scope: Exact published duty row; no interpolation
  • QSI-75 · Pressure as printed psi: 125/128 · Flow acfm: 357.9 · Scope: Exact published duty row; no interpolation

Operating conditions and scope

  • The length, width and height columns do not state units. Do not assume the dimensions are in inches.
  • Electrical voltage/phase/frequency and exact installed configuration require manufacturer confirmation.
  • Confirm the meaning of the paired QSI pressure values before selection.