

PRODUCT OVERVIEW
This is a high-performance, four-stage oil-free nitrogen compressor engineered for heavy-duty industrial applications. Featuring a vertical reciprocating piston design and skid-mounted configuration, it delivers exceptional pressure output up to 40.0 MPa while maintaining 100% oil-free operation. The integration of a high-efficiency permanent magnet motor and advanced air-cooling system makes it ideal for continuous operation in petrochemical, energy, and high-pressure gas supply applications.
Four-Stage Compression technology delivers 40.0 MPa discharge pressure
480 Nm³/h flow capacity for large-scale industrial requirements
PTFE-filled piston rings and packings ensure contaminant-free gas output
Stainless steel components prevent corrosion and maintain gas purity
132kW Permanent Magnet Motor with SF1.15 service factor
High efficiency with significant energy savings compared to conventional motors
Direct coupling drive for reliable power transmission
Fully integrated compressor, motor, cooler, and control system
Pre-assembled chassis reduces installation time and costs
Siemens PLC control system for precise operation monitoring
Air-cooled system eliminates cooling water requirements
Vertical configuration saves floor space
Accessible components for easy maintenance
| Parameter | Specification | Parameter | Specification |
|---|---|---|---|
| Model | 480/4-400 | Medium | N₂ |
| Flow Rate | 480 Nm³/h | Inlet Pressure | 0.4 MPa(G) |
| Discharge Pressure | 40.0 MPa(G) | Compression Stages | 4 |
| Motor Power | 132 kW | Motor Type | Permanent Magnet |
| Shaft Speed | 330 rpm | Cooling Method | Air Cooling |
| Dimensions | 3600×2200×2800 mm | Weight | 7.5 Tons |
| Inlet/Outlet | DN80/DN20 | Drive Mode | Coupling |
Operating Parameters
Inlet Temperature: 0-35°C
Discharge Temperature: ≤55°C
Voltage: 380V/50Hz
Cylinder Quantity: 4
Structural Style: Vertical Skid-Mounted
Frame & Slide: High-strength Cast Iron
Piston Rings & Packing: Filled PTFE
Air Valve & Cylinder Liner: Stainless Steel
Main compressor engine with permanent magnet motor
Air cooler and lubrication system
Skid-mounted chassis with vibration damping
Starter cabinet with Siemens PLC control
Intake filtration system
Safety valves and instrumentation
Special tools and documentation
Inlet/outlet matching flanges
PLC System: Siemens
Safety Valves: Zhejiang Wanneng
Motor: Luv-electric/Anhui Xuanlida
Instrumentation: Changzhou Tianli pressure controllers
Electrical: Zhengtai components
Display: Kunluntrongtai touch screen
High-pressure nitrogen systems for industrial plants
Petrochemical processing and refinery applications
Energy and power generation facilities
Industrial gas supply and distribution
Pressure testing systems and research facilities
Lubricating oil to be provided by user (use low-temperature lubricant when ambient temperature below 5°C)
Delivery Time: 100 days after order confirmation and advance payment
Technical data marked with % may vary upon factory shipment
Installation: Pre-assembled skid requires minimal site preparation
✅ Industry-Leading Pressure: 40.0 MPa capability for demanding applications
✅ Energy Efficient: Permanent magnet motor reduces operating costs
✅ Zero Contamination: 100% oil-free design ensures gas purity
✅ Reliable Operation: Premium components and robust construction
✅ Quick Deployment: Skid-mounted design minimizes installation time
Monday - Friday:8:30—17:00