What horsepower is the FS-Curtis FRB50SUX air compressor?

The FS-Curtis FRB50SUX is rated at 50 HP.

How much air does the FS-Curtis FRB50SUX produce?

The FS-Curtis FRB50SUX delivers 207 SCFM at 125 PSI.

What is the maximum pressure of the FS-Curtis FRB50SUX?

The FS-Curtis FRB50SUX has a maximum operating pressure of 175 PSI.

What size tank does the FS-Curtis FRB50SUX have?

The FS-Curtis FRB50SUX has a 0-gallon horizontal tank.

Is the FS-Curtis FRB50SUX single-stage or two-stage?

The FS-Curtis FRB50SUX is a single-stage compressor.

What voltage does the FS-Curtis FRB50SUX require?

The FS-Curtis FRB50SUX runs on 230/460-3.

Is the FS-Curtis FRB50SUX oil-free or oil-lubricated?

The FS-Curtis FRB50SUX is oil-flooded.

What is the FS-Curtis FRB50SUX best for?

The FS-Curtis FRB50SUX is best suited for Continuous-duty plant air for production lines, pneumatic tools and 24/7 manufacturing facilities..

FS-Curtis FRB50SUX

The FS-Curtis FRB50SUX (RSB50) is a 50-HP single-stage oil-injected rotary screw air compressor delivering 207 CFM at 125 PSI (up to 175 PSI max), in a base-mounted (tankless) configuration. It uses a belt-driven airend with air cooling on a 3-phase motor.

CFM

207 @ 125 PSI

Duty

— continuous

Tank size

— gal

Air output per horsepowerAirflow per motor HP

4.14CFM/HP

Poor 2.8Typical 3.15Good 3.5

Isentropic efficiencyClass median · 1-stage rotary screw

75%

Poor <50Good 70Best 92

Price per cubic foot · minuteVerified retailer price

$153$/SCFM

Good $180Typical $211High $260

PUMP & DRIVE

Stages1-stage screw

Cylinder—

Pump RPM—

Lubricationoil-flooded

Oilcompressor oil (oil-injected)

Sump—

Pump life—

Pump material—

Head material—

Intercooler—

PERFORMANCE

Catalog CFM207 @ 125 PSI

CFM / HP4.14

Cut-in / out—

Tank fill—

Est. draw43.9 kW

COST & MAINTENANCE

Electric · yearlyEst. $15,756

Maintenance · yearlyEst. $1,250

ELECTRICAL & FORM

Serviceelectric

Voltage230/460-3

Amps—

Motor—

Motor RPM—

Control—

Starter—

Weight1600 lb

FormHorizontal

BUILD & ENVIRONMENT

Air outlet—

Drain—

Drain outlet—

ASME tank—

Made in USA—

Noise85 dBA

Op. temp—

Dimensions—

Ship weight—

Warranty—

Where this sits in the catalog

Histograms below: highlighted bar marks this unit’s bucket.

Catalog: 1655 units
Peer class: 15 · 50 HP

Sizing & pricevs. 15 in class

SCFM @ 50 HP207cfm
170median 203.4248
+1.8% vs. median
Average price$31,728
$23,875median $34,998$50k
-9.3% vs. median

Efficiency vs. peersvs. 15 in class

CFM per HP4.14cfm/hp
3.4median 4.074.96
+1.8% vs. median
Price per CFM$153$/scfm
$100median $168$246
-9.1% vs. median

Where this is sold

Compressors Now
Verified 2 months ago
$31,728
Lowest

Find an installer / dealer near youAuthorized FS-Curtis dealers · search by ZIP

Price history

Showing the current verified price for each retailer. As the price-tracking worker collects new readings, dots will appear along each line.

Compressors Now

Suggest an edit or report a problem

Spot a wrong spec, a broken link, a missing retailer, or anything else? Send a note. Comments are reviewed by editorial — they’re not published.