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FSCurtis
FS-Curtis ML5 5HP 80G Horizontal Simplex Tank Mounted Electric Air Compressor
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FSCurtis
FS-Curtis ML5 5HP 80G Horizontal Simplex Tank Mounted Electric Air Compressor
FS-Curtis ML5 5HP 80G Horizontal Simplex Tank Mounted Electric Air Compressor
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The FS-Curtis ML5 represents the pinnacle of industrial reciprocating air compressor engineering, combining 5 horsepower of reliable power with an 80-gallon horizontal ASME-approved tank to deliver 19.1 CFM at 175 PSI. Engineered with 100% cast-iron construction where it matters most and featuring FS-Curtis's proprietary Centro-Ring pressure lubrication system, the ML5 is built for 100% continuous duty in the most demanding shop environments. Available in both single-phase (230V) and three-phase configurations (200-208V, 230V, and 460V), this compressor delivers industrial-grade performance with superior durability and minimal maintenance requirements. Made in the USA, the ML5 Simplex is the smart choice for professionals who demand quality, longevity, and consistent compressed air delivery.
Available Voltage Configurations
The FS-Curtis ML5 offers multiple electrical configurations to match your facility's power requirements:
- Single Phase:
- 1/60/230V - Model FML05D96H8S-A2L1XX
- Three Phase:
- 3/60/200-208V - Model FML05D96H8S-A9L1XX
- 3/60/230V - Model FML05D96H8S-A3L1XX
- 3/60/460V - Model FML05D96H8S-A4L1XX
Note: Premium Efficiency Motors are available on three-phase models only.
Why the Masterline ML Series Stands Above the Competition
The Masterline ML Series is the most robust, heavy-duty reciprocating air compressor lineup available on the market today. The perfect combination of quality components and efficient design make the ML Series rugged, affordable, and smart for professional applications. Because every model is built tough to last a lifetime in demanding working conditions, the ML5 is an outstanding alternative to splash-lubricated reciprocating compressors and small rotary compressors. Choose higher quality. Choose superior durability. Choose ML Series pressure lubricated air compressors.
Centro-Ring Pressure Lubrication - Patented FS-Curtis Design
The Centro-Ring pressure lubrication system is an FS-Curtis exclusive — a proprietary technology you won't find anywhere else. This patented design ensures optimal performance and longevity:
- Pressurized oil delivery supplied internally to all bearings and critical wear surfaces through the rifle-drilled crankshaft and connecting rods
- Helps ensure maximum uptime and significantly increases service life
- Reduces friction and heat buildup in high-stress components
- Factory oil filled and ready to run right out of the crate
100% Cast-Iron Where It Counts - All Cast-Iron Construction for Longer Life
The FS-Curtis ML5 features 100% cast-iron cylinders, cylinder heads, connecting rods, and crankshaft — genuine all-cast-iron construction where it truly matters for extended operational life and reduced maintenance. While some pumps claim 100% cast-iron yet still use aluminum cylinders, cylinder heads, connecting rods, and crankshafts, FS-Curtis delivers on its promise:
- Ductile cast-iron crankshaft and connecting rods are stronger, more corrosion-resistant, and far less likely to break under heavy loads
- Slow-turning D96 pump design increases pump life and reduces wear on critical components
- Rugged parts and construction engineered for genuine industrial performance
- Superior heat dissipation compared to aluminum alternatives
- Dynamically balanced flywheel for smooth, vibration-free operation
Quality Components - Built for 100% Continuous Duty Operation
Every FS-Curtis ML5 is packed with premium components designed for long-term reliability and continuous operation in professional environments:
- Industry-leading stainless-steel valve assemblies for increased airflow and superior reliability
- Oversized tapered main roller bearings engineered to ensure extended service life
- Premium finned intercooler maximizes heat dissipation for cooler compressed air
- Metal intake filter/silencer — far superior to plastic alternatives in durability and performance
- Heavy-duty stamped-steel belt guard that's OSHA approved and fully enclosed
- Suction valve head unloaders for continuous running air compressor applications
- Slow V-belt drive system for efficient, quiet power transmission
Key Features & Highlights
- Magnetic motor starter with automatic start-stop control for efficient operation
- ASME-approved 80-gallon horizontal air receiver tank for consistent air supply
- UL-approved pressure switch and ASME-approved safety relief valve for maximum safety
- Dial read-out pressure gauge for easy monitoring at a glance
- Manual condensate tank drain valve for simple maintenance
- NEMA-1 control panel with integrated safety features
- Tank shut-off valve and ASME-approved discharge valve air service valve
- Dual Control ML5 (D96 Pump model) equipped with pilot valve
The Simplex configuration is ideally suited for common applications where only one compressor is needed, providing reliable, consistent compressed air without the complexity of duplex systems.
Proudly Made in the USA
The FS-Curtis ML5 is manufactured in the United States with American craftsmanship and precision engineering, ensuring the highest quality standards and supporting domestic manufacturing.
Watch the ML Series in Action
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1 Year Factory Warranty extends to 2 years with use of FS-Curtis Maintenance Products. See full Warranty Policy & Procedure Manual