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Selected catalogue reference

QGD-50 is a Quincy fixed-speed rotary-screw compressor. Its 50 hp / 37 kW source entry has separate pressure/flow rows below; these are individual published duties rather than a continuous operating envelope.

Published pressure/flow pair

247.1 ACFM with pressure column 100 PSI

ACFM and PSI retained exactly as printed; no SCFM conversion, intermediate duty or cross-row combination inferred.

Published pressure/flow pair

229.7 ACFM with pressure column 125 PSI

ACFM and PSI retained exactly as printed; no SCFM conversion, intermediate duty or cross-row combination inferred.

Published pressure/flow pair

214.4 ACFM with pressure column 150 PSI

ACFM and PSI retained exactly as printed; no SCFM conversion, intermediate duty or cross-row combination inferred.

Power

50 hp; 37 kW

Power columns as printed; motor rating versus total package input is not independently established.

Weight

1536 lb

Published package row; final execution and transport requirements need confirmation.

Sound level

67 dBA

Printed dBA row; measurement distance/load basis not fully specified here. No site noise guarantee.

Reference applications

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

Reference technical notes

• 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 applicable ISO 1217 test basis with the manufacturer.

Reference configurations

• QGD-50 · Pressure as printed psi: 100 · Flow acfm: 247.1 · Scope: Exact published duty row; no interpolation
• QGD-50 · Pressure as printed psi: 125 · Flow acfm: 229.7 · Scope: Exact published duty row; no interpolation
• QGD-50 · Pressure as printed psi: 150 · Flow acfm: 214.4 · Scope: Exact published duty row; no interpolation

Requested values remain separate from recorded product specifications.