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Selected catalogue reference

QPVS-550 is a Quincy variable-speed refrigerated compressed-air dryer. The cited model row provides 551 CFM at 100 PSIG with air cooling and 2-1/2” NPT connections. Selection must use the actual flow duty and the manufacturer’s correction tables.

Rated flow

551 CFM at 100 PSIG

Model suffix is an identifier, not necessarily the printed rated flow.

Cooling and refrigerant

Air; R410A

Air is the printed row label; no unlisted cooling execution or variant performance is inferred.

Pressure, electrics and connections

Maximum 210 PSIG; electrical column Multiple; 2-1/2” NPT

Multiple does not establish a particular voltage, phase or frequency.

Dimensions and weight

41 × 32 × 38 in; approximate 331 lb

Length × width × height; supplied execution and installation clearances require confirmation.

Correction reference points

100 PSI pressure factor 1; 100°F inlet factor 1; 100°F ambient factor 1.00

These are table reference points; actual conditions require correction and engineering acceptance.

Reference applications

• Compressed-air moisture control where demand varies and variable-speed refrigeration is being considered.

Reference technical notes

• Series-level energy-saving statements do not establish a model-specific saving, payback or fixed dew-point guarantee.

Reference configurations

• QPVS-550 · Cooling as printed: Air · Electrics as printed: Multiple · Refrigerant: R410A · Connection: 2-1/2” NPT

Requested values remain separate from recorded product specifications.