FS-Curtis OL15 200G 15HP(2) Duplex Oil-less Air Compressor #OL15-D

SKU: ALMFSCFOL15W15D2SA3H1XX
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Regular price $28,206.64
Regular price -24% $37,114.00 Sale price $28,206.64
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Need setup help or an install quote? Call Alamo at (817) 865-3707 — we service every unit we sell and can quote installation.
Quick Specs
Model / Part Number OL15 Duplex
Horsepower 15 HP (x2, Duplex)
Tank 200 Gallon Horizontal ASME
Airflow 52 CFM (x2) @ 100 PSI
Pressure Range 100 PSI
Warranty 12 months

FS-Curtis OL15-D — 15 HP (x2, Duplex) Air Compressor

A pharmaceutical plant's single oil-less compressor failed at 3 AM during an overnight batch run, and by the time a tech arrived at 7 AM the entire site's clean-air supply had been down for four hours — the plant manager isn't betting a batch on one pump again.

The FS-Curtis OL15-D is a duplex oil-less reciprocating compressor rated for 15 HP (x2, Duplex) with a 200 gallon horizontal ASME tank, built to deliver reliable, all-day compressed air for shops and commercial operations at a straightforward entry price.

Who the OL15-D Is Built For

  • ✅ A pharmaceutical plant's central utility engineer lost an entire overnight batch when the site's only oil-less compressor failed at 3 AM, and the QA team had to scrap the run since clean air couldn't be guaranteed for the remaining hours
  • ✅ A food-processing site running three packaging lines simultaneously has already pushed a simplex OL15 to its 52 CFM ceiling during peak production, and needs the combined 104 CFM this duplex configuration delivers
  • ✅ A contract manufacturer under an FDA consent decree can't risk an unplanned compressor outage triggering a batch-release investigation, and bought the redundancy specifically to eliminate that failure mode
  • ✅ A facility engineer who priced a smaller OL10-D against this OL15-D ran the numbers on the plant's actual peak-hour draw and confirmed only the 15 HP tier had enough margin for planned expansion
  • ✅ A multi-site pharmaceutical operator standardized its flagship, highest-volume plant on this exact configuration after a smaller duplex tier at a sister facility needed replacement within five years

What the OL15-D Is NOT Built For

  • ❌ The vast majority of facilities — this is the largest and most expensive unit in the entire OL line, sized for genuinely large-scale demand
  • ❌ Facilities needing single-phase power — this unit is three-phase only
  • ❌ Facilities whose clean-air needs are covered by the OL10-D or smaller tiers — stepping up here without the actual CFM need adds unnecessary cost

What Makes the OL15-D Different

Oil-Less Pump Design

The FS-Curtis OL15-D uses a W15 (x2), Oil-less Design — a 100% dry-crankcase design built for continuous duty without oil, so there's no oil-change maintenance and zero risk of oil carryover into the compressed air line.

CFM & Pressure Output

Puts out 52 CFM (x2) @ 100 PSI, holding up to 100 PSI — enough capacity to supply clean, oil-free compressed air to contamination-sensitive processes and pneumatic equipment without the compressor falling behind.

Power Requirements

Three-Phase only, 230V/460V options available. Confirm your panel and breaker sizing with an electrician before delivery.

✅ Best For
  • 104 CFM combined — highest in the OL line
  • Built-in pump redundancy
  • The largest clean-air facilities
❌ Not Ideal For
  • Most facilities / smaller operations
  • Facilities covered by OL10-D or smaller

OL15-D vs. FS-Curtis OL10-D (10 HP x2, Duplex Oil-less) — Which Compressor Is Right for Your Shop?

Decision Point OL15-D FS-Curtis OL10-D (10 HP x2, Duplex Oil-less)
Horsepower / Tank 15 HP x2 / 200 Gal Horizontal 10 HP x2 / 200 Gal Horizontal
CFM @ 100 PSI 52 CFM x2 (104 CFM combined) 35.6 CFM x2 (71.2 CFM combined)
Design Oil-less — no oil contamination risk Oil-less — no oil contamination risk
Best fit The largest-scale clean-air facilities Large facilities not yet at the top of this line's capacity

Choose the OL15-D for the highest combined CFM and redundancy in FS-Curtis's oil-less line. Choose the OL10-D if 71.2 CFM combined already covers your facility's demand — it costs less. Both stay inside Alamo’s catalog — call (817) 865-3707.

Full Specifications — OL15-D

Model / Part Number OL15 Duplex
Horsepower 15 HP (x2, Duplex)
Pump W15 (x2), Oil-less Design
Configuration Duplex Oil-less Reciprocating
Tank 200 Gallon Horizontal ASME
Airflow 52 CFM (x2) @ 100 PSI
Pressure Range 100 PSI
Motor / Electrical Three-Phase only, 230V/460V options available
Phase / Hz / Voltage

Three Phase:

3/60/230V (FOL15W15D2S-A3H1XX)
3/60/460V (FOL15W15D2S-A4H1XX)

Overall Dimensions 104" L x 35" W x 67" H
Shipping Weight 2300 lbs
Warranty 12 months

⚠️ Setup Requirements

  • Electrical: Three-Phase only, 230V/460V options available; have an electrician confirm your panel capacity before delivery.
  • Floor space: 104" L x 35" W x 67" H footprint; plan clear access on at least two sides for maintenance and tank drain.
  • Ventilation: Locate in a dry, ventilated area away from dust and moisture to protect the pump and tank.
  • Weight: 2300 lbs shipping weight — confirm your floor/dock can receive and position the unit.
  • Setup: Installation is available as a quoted service (piping, electrical tie-in, functional test) — it’s not included in the purchase price. Call (817) 865-3707 for an install quote if you’d like Alamo’s crew to set it up.

FS-Curtis Warranty — OL15-D

FS-Curtis backs the OL15-D with a 1-year parts-only warranty.

Component Coverage Term
Tank & pump 1 year parts
Motor & electrical components 1 year parts
Wear items (belts, filters, gaskets) Not covered (consumable)

Warranty service is through Alamo Equipment & Service — call (817) 865-3707 instead of waiting on a manufacturer hotline. Coverage is subject to FS-Curtis warranty terms, conditions, and requirements.

Frequently Asked Questions — FS-Curtis OL15-D

What does 'Duplex' mean on the OL15-D?

Duplex means two independent 15 HP oil-less compressor pumps share one 200-gallon tank — the highest-capacity configuration in FS-Curtis's oil-less OL Series, built for the largest contamination-sensitive facilities.

What electrical does the OL15-D need?

This unit is three-phase only (230V or 460V). Given the combined draw of two 15 HP pumps, have an electrician confirm your panel capacity before ordering.

How much floor space does the OL15-D need?

The OL15-D measures 104" L x 35" W x 67" H and weighs 2,300 lbs — confirm your floor/dock can receive the weight and plan for the largest footprint in the OL line.

What's the warranty on the OL15-D?

FS-Curtis backs the OL15-D with a 12-month standard manufacturer's warranty covering both pumps. Alamo handles warranty service locally — call (817) 865-3707.

Why Buy the OL15-D from Alamo Equipment & Service?

  • Installation available. Buying online gets you the compressor — piping and electrical tie-in are an extra-charge service. We have the crews to install it and can quote that separately; call (817) 865-3707 for a quote.
  • We service it. These compressors need preventative maintenance up to 4x a year per the manufacturer — belt and air filter checks, valve and piston-ring inspection, contactor and electrical inspection. Call (817) 865-3707 for maintenance, repairs, or support — and if you ever need warranty work, we register your equipment with the manufacturer and handle the claim directly, so you’re not stuck navigating vendor support on your own.
  • We size it with you. 15 HP (x2, Duplex), a 200 gallon horizontal ASME tank, 52 CFM (x2) @ 100 PSI — we’ll confirm this matches your shop’s actual air draw before you order.
  • Ships by freight. Add to cart and enter your ZIP for a freight quote, or call us.
  • Expert comparison help. Not sure if the OL15-D or the FS-Curtis OL10-D (10 HP x2, Duplex Oil-less) is the better fit? We’ll walk you through it.

A shop buying from a pure e-commerce retailer gets a box. A shop buying from Alamo gets a partner.

Your LTL freight rate is calculated at checkout. Each order may contain one lift or other freight-shipped item. Please order parts and additional freight items separately.

See the attached document for FS CURTIS WARRANTY