PXᵢ Variable Speed Oil-Free Air Compressors
The PX Fixed Speed Oil-Free Air Compressors deliver reliable, 100% oil-free compressed air for demanding industrial applications. Available from 30 to 100 HP, they combine proven reciprocating technology, efficient performance and robust construction for dependable 24/7 operation.
Introduction
The PXᵢ Series combines proven oil-free reciprocating technology with Variable Speed Drive (VSD) capacity control to match compressed air production with changing demand. Designed for continuous industrial operation, it delivers 100% oil-free air while optimizing energy consumption and process stability.
Available in the supplied data with 37 HP, 55 HP, 90 HP and 120 HP motor configurations, the PXᵢ Series supports working pressures from 7 to 10 bar, providing flexible performance for demanding applications.
Key Benefits
100% Oil-Free Air
Variable Speed Energy Savings
Premium Efficiency IE3 Motor
Stable Process Performance
Reliable 24/7 Operation
Smart Monitoring & Control
Why Choose the PXᵢ Series?
The PXᵢ Series combines oil-free air quality, VSD technology and intelligent control to provide an efficient compressed air solution for applications with fluctuating demand. Its integrated package, robust construction and flexible capacity control make it suitable for continuous industrial processes.
Technical Specifications
| Model / Motor | Max. Working Pressure | Capacity | Installed Motor |
|---|---|---|---|
| PXᵢ – 37 HP | 7 bar (101.5 psig) | 5.7 m³/min | 37 HP |
| PXᵢ – 37 HP | 8.5 bar (123.3 psig) | 5.6 m³/min | 37 HP |
| PXᵢ – 37 HP | 10 bar (145.0 psig) | 5.4 m³/min | 37 HP |
| PXᵢ – 55 HP | 7 bar (101.5 psig) | 8.7 m³/min | 55 HP |
| PXᵢ – 55 HP | 8.5 bar (123.3 psig) | 8.6 m³/min | 55 HP |
| PXᵢ – 55 HP | 10 bar (145.0 psig) | 8.3 m³/min | 55 HP |
| PXᵢ – 90 HP | 7 bar (102 psig) | 13.2 m³/min | 90 HP |
| PXᵢ – 90 HP | 8.5 bar (124 psig) | 13.0 m³/min | 90 HP |
| PXᵢ – 90 HP | 10 bar (145 psig) | 12.6 m³/min | 90 HP |
| PXᵢ – 120 HP | 7 bar (102 psig) | 14.9 m³/min | 120 HP |
| PXᵢ – 120 HP | 8.5 bar (124 psig) | 14.5 m³/min | 120 HP |
| PXᵢ – 120 HP | 10 bar (145 psig) | 13.8 m³/min | 120 HP |
Get in touch with our experts to find the right OF oil-free screw compressor for your application.
Keep your production running with dependable oil-free compressed air designed for applications where air purity, reliability, and consistent performance matter. The PXi series delivers clean air without the risk of oil contamination, helping protect your processes, products, and equipment while supporting efficient day-to-day operations.
Industrial Applications
The OF 100-220V series is designed for high-demand industrial operations where clean compressed air and variable air requirements are essential.
Electronics
Oil-free compressed air helps protect sensitive electronic components and supports applications such as PCB cleaning and pneumatic component handling.
Pharmaceutical
Suitable for applications requiring high-quality oil-free air, including process air, fermentation, packaging, filling, capping, cleaning and instrumentation.
Petrochemical
Provides reliable oil-free compressed air for air curtains, material handling, nitrogen generation, pneumatic conveying and product drying.
Cement
Suitable for pneumatic conveying, dust collection, bag filtration, instrument air, packing and process-air applications.
Scope of Supply
- Heavy-duty skid with anti-vibration mounting pads
- Steel deck with lifting facility
- Silenced canopy
- Efficient suction air filter with dampers
- Water-cooled or air-cooled heat exchangers
- Intercooler and aftercooler
- Oil-free reciprocating compression system
- Inbuilt inverter for PXᵢ Series
- Integrated electrical starter and control system
Frequently Asked Questions
Find answers to common questions about the OF 30-75V including performance, maintenance, installation, and industrial applications.
What is the PXᵢ Series?
The PXᵢ Series is a variable-speed oil-free reciprocating air compressor range designed for industrial applications requiring clean compressed air and flexible capacity control.
What is the main advantage of VSD technology?
The VSD system adjusts compressor speed according to air demand, helping optimize energy consumption and maintain process stability.
What motor capacities are included in the supplied PXᵢ data?
The supplied technical data includes 37 HP, 55 HP, 90 HP and 120 HP configurations.
What pressure range does the PXᵢ Series support?
The supplied data covers maximum working pressures of 7 bar, 8.5 bar and 10 bar.
Is the PXᵢ Series suitable for continuous operation?
Yes. The supplied product information describes the PX platform as designed for 24/7 industrial applications.
Does the PXᵢ Series provide oil-free compressed air?
Yes. The PX platform uses oil-free reciprocating compression technology designed to meet applications requiring 100% oil-free compressed air.
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