Two-Stage Medium Pressure Screw Air Compressor(16 – 40 Bar)
Product Overview & Energy Saving Advantage
The Jufeng Two-Stage Medium Pressure Screw Air Compressor is specifically built for heavy-duty applications requiring reliable, continuous air pressure between 16 Bar and 40 Bar (232 PSI – 580 PSI). By dividing the total pressure elevation across two distinct rotor sets with inter-stage oil mist cooling, this unit reduces internal compression ratios per stage, preventing thermal stress, minimizing air slip, and significantly lowering specific power consumption.
Thermodynamic Efficiency Advantage: Compared to conventional single-stage medium-pressure compressors, Jufeng's 2-stage air end reduces total motor workload and saves up to 12% – 18% in electricity overhead during 24/7 continuous operation.
Key Engineering Advantages
1. Precision Two-Stage Compression Air End
- Low Stage Pressure Ratios: Reduces internal leakage across rotors and lowers bearing radial loads, vastly extending airend lifespan.
- Inter-Stage Cooling System: Cools air between compression steps, approaching an ideal isothermal compression process.
2. Permanent Magnet Variable Speed Drive (PM VSD Option)
- IE4 Premium Efficiency Motor: Dynamically modulates motor RPM to match immediate factory air consumption,eliminating costly idle loading power waste.
- Oil-Cooled Motor Housing (IP65): Isolates motor windings from dust, humidity, and ambient harsh environmental elements.
3. Heavy-Duty Mechanical & Filtration Architecture
- 1:1 Direct Shaft Coupling: Flexibly couples motor directly to rotor shaft without transmission belts or gears, ensuring zero energy transmission loss.
- Multi-Stage Air/Oil Separation: Maintains downstream oil carryover at ≤ 2 ppm, protecting high-pressure valves, cylinders, and pneumatic systems.
Technical Specifications
| Parameter Metric |
Technical System Configuration |
| Operating Pressure Range |
16 Bar | 20 Bar | 25 Bar | 30 Bar | 40 Bar |
| Compression Stage Dual-Chamber |
Series Two-Stage Rotary Screw Air End |
| Drive Methodology |
1:1 Direct Flexible Alignment Drive |
| Discharge Oil Content |
≤ 2 ppm (Clean Industrial Grade Output) |
| Motor Enclosure Protection |
IP54 / IP65 Waterproof & Dustproof Enclosure |
| Control Interface |
Intelligent Microcomputer Touch Panel with IoT Remote Management |
Primary Industrial Applications
- PET Bottle Blow Molding: Delivers stable 20–40 Bar air flow for stretch blow molding machines.
- Fiber Laser Sheet Metal Cutting: Provides dry, medium-pressure auxiliary gas for high-speed laser cutting.
- Hydro-Pneumatic & Valve Testing: High-reliability medium pressure source for pressure vessel and valve integrity testing.
- Chemical & Nitrogen Generation: Feeds boost systems and air separation equipment requiring continuous medium pressure.
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Two-Stage Medium Pressure Screw Air Compressor(16 – 40 Bar) Images
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