ELGi · S-Series · SINGLE-STAGE ROTARY SCREW

S017858-230/3-125

40 HP · 100% duty · electric · oil-free · 1-stage
AVERAGE PRICE
$21,863
1 retailer
ELGi S017858-230/3-125

ELGi S017858-230/3-125 is a 40 HP single-stage rotary screw air compressor delivering 191 SCFM at 100 PSI, oil-free lubrication, wired for 230V. Part of ELGi S-Series engineered for high-volume plant air and process applications requiring oil-free air quality. The simplex configuration weighs 2,260 lbs, priced at approximately $21,863. Single-stage oil-free design suits pharmaceutical, food processing, and electronics manufacturing where compressed air contamination is prohibited. Maximum working pressure is 100 PSI. Gaps: tank size not specified; no OEM datasheet URL confirmed; orientation not listed; no duty cycle data.

HP
40
CFM
191 @ 100 PSI
Duty
100% continuous
Tank size
gal
Air output per horsepowerAirflow per motor HP
4.78CFM/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
$114$/SCFM
Good $180Typical $211High $260
PUMP & DRIVE
Stages1-stage screw
Cylinder
Pump RPM
Lubricationoil-free
Oil
Sump
Pump life
Pump material
Head material
Intercooler
PERFORMANCE
Catalog CFM191 @ 100 PSI
CFM / HP4.78
Cut-in / out
Tank fill
Est. draw35.1 kW
COST & MAINTENANCE
Electric · yearlyEst. $12,604
Maintenance · yearlyEst. $1,000
ELECTRICAL & FORM
Serviceelectric
Voltage230V/3ph
Amps
Motor
Motor RPM
ControlELGi Neuron / Neuron XT controller
Starter
Weight2260 lb
Form
BUILD & ENVIRONMENT
Air outlet
Drain
Drain outlet
ASME tank
Made in USA
Noise
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 · 40 HP
Sizing & pricevs. 15 in class
  • SCFM @ 40 HP191cfm
    102median 160203
    +19.4% vs. median
  • Average price$21,863
    $20,967median $27,274$43k
    -19.8% vs. median
Efficiency vs. peersvs. 15 in class
  • CFM per HP4.78cfm/hp
    2.55median 45.08
    +19.4% vs. median
  • Price per CFM$114$/scfm
    $114median $171$364
    -33.3% vs. median

Price history

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

$20,770$21,498$22,227$22,956avg $21,863today-10d-20d-30d
Compressed Air Advisors