industrial centrifugal air compressors
Polaris® P300
The Polaris P300 centrifugal compressor delivers reliable, energy-efficient, oil-free compressed air in a compact design engineered for a wide range of industrial applications.
Available in two- and three-stage configurations, the P300 provides airflow capacities up to 2,200 CFM (60 m³/min). Its proven aerodynamic design helps optimize energy efficiency, while its compact footprint and maintenance-friendly construction simplify installation, servicing, and long-term operation.
As part of FS-Elliott’s Polaris series, the P300 offers manufacturers a cost-effective compressed air solution designed to reduce operating expenses and support dependable performance throughout the compressor’s lifecycle.
Performance Specifications
Match the P300 to your operating requirements, then configure the package around your site and process.
FLOW
900 – 2,200
CFM
PRESSURE
40 – 150
PSIG
POWER
250 – 450
HP
AIR QUALITY
ISO 8573-1 CLASS 0
WEIGHT
10,000 lb
DIMENSIONS (L × W × H)
115 x 72 x 101 in
FLOW
25 – 60
m3/min
PRESSURE
2.75 – 10.5
barg
POWER
185 – 335
kW
AIR QUALITY
ISO 8573-1 CLASS 0
WEIGHT
4,550 kg
DIMENSIONS (L × W × H)
2910 x 1832 x 2568 mm
Specifications vary by configuration.
Features & Benefits
The Polaris P300 is engineered to deliver ISO 8573-1 Class 0 oil-free air in a compact, reliable, and economical centrifugal compressor package. Its oil-free design helps protect critical processes and finished products from compressor oil contamination, while integrated controls and monitoring capabilities support efficient performance, simplified operation, and long-term reliability.
Confidence for Critical Air Demands
The Polaris P300 is engineered to deliver ISO 8573-1 Class 0 oil-free air with the reliability and efficiency required for demanding industrial applications.
Its oil-free air path helps protect processes from compressor oil contamination, while integrated monitoring and control capabilities help operators maintain visibility into compressor performance and condition.
Optimized Design, Efficient Operation
Polaris compressors combine optimized aerodynamics, efficient intercooling, and custom-designed impellers to reduce power requirements and optimize airflow.
Mechanically superior bearings and adjustable inlet guide vanes further support efficient operation by reducing power consumption and responding to changing plant conditions and air demand.
Designed with Service Access in Mind
The horizontally split gear case provides technicians with convenient access to internal components for inspection and service, while the removable airend simplifies maintenance and replacement to help minimize downtime. Straight-through intercooler tubes allow for easier periodic cleaning, and the Regulus® control system helps operators monitor and optimize compressor performance.
Together, these maintenance-friendly features help reduce service time, improve equipment reliability, and support long-term performance throughout the compressor’s lifecycle.
Optimize Compressor Performance
Regulus control systems provide intuitive control and real-time visibility into compressor performance, helping operators monitor critical data and respond to changing plant conditions.
Advanced control capabilities simplify operation, support efficiency, and provide the information needed to maintain reliable compressor performance.
Long-Term Support You Can Count On
FS-Elliott supports customers throughout the life of their centrifugal compressor with a standard two-year bumper-to-bumper warranty. For added protection, our optional SteadiAIR® extended warranty provides three additional years of airend coverage, extending protection to a total of five years. Our factory-trained channel partners and global service network provide expert maintenance, technical assistance, and ongoing support.
Our Rapid Response Storage Center helps minimize downtime by providing quick access to replacement airends when needed, while FS-Connect offers remote monitoring capabilities for greater visibility into compressor operation and performance.
From installation and commissioning to preventive maintenance, OEM replacement parts, and long-term technical support, FS-Elliott delivers comprehensive lifecycle services to help maintain compressor reliability, efficiency, and performance for years to come.
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Explore Key Components of the Polaris P300
Proven Across Critical Industries
Insights & Resources
How Compressed Air Impacts Product Quality and Efficiency in Automotive Manufacturing
Automotive manufacturing relies on compressed air at virtually every stage of production. From robotic assembly and paint operations to material handling and battery manufacturing, compressed air powers critical processes that keep production moving.
Why Manufacturers Are Switching to Oil-Free Compressed Air
Compressed air is often called the fourth utility, but in many manufacturing environments, it also plays a direct role in product quality, operational efficiency, and regulatory compliance. That makes air quality more important than many facilities realize.
Optimizing Compressed Air for Pharmaceutical and Biofermentation
Air quality is critical in pharmaceutical and biological fermentation. Even minor contamination from oil, bacteria, microorganisms, or particulates can compromise product integrity. To maintain the highest purity standards, oil-free air compressors must comply with ISO 8573-1 Class 0 oil-free air quality, providing clean, reliable, and uncontaminated air.