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- pm vsd dual stage screw air compressor
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- ultra high pressure air compressor
high pressure and large displacement air compressor
The high-pressure and large-displacement air compressors are designed with a tandem combination of screw compressors and piston compressors, designed to provide a stable supply of compressed gas to locations requiring large air volumes and high-pressure gas supply.
Description
The high pressure and large displacement air compressor is widely used across military, heavy industry, and emergency rescue sectors. Featuring a skid-mounted structure, this unit is highly maneuverable and adaptable, allowing for rapid deployment and efficient operation in diverse environments—making it an ideal solution for applications with rapid inflation and high-pressure needs.
Features of High Pressure and Large Displacement Air Compressor
- High displacement and high pressure: Combines screw and piston compressor technologies for powerful gas compression, delivering large displacement and high pressure with stable output even under demanding conditions—ideal for rapid inflation and similar requirements.
- Skid-mounted structure: Integrated skid-mounted design makes installation and relocation easy, with low vibration and smooth operation. It enables quick deployment without complex infrastructure, suitable for land and military port terminals.
- Automation control system: Built-in advanced PLC programmable controller enables real-time monitoring of pressure, temperature, and other parameters. The system ensures stable operation, with automatic alarms and emergency shutdowns to protect against equipment damage.
- Water-cooling and pressure lubrication system: Efficient water cooling ensures stable operating temperatures during prolonged use, while pressure lubrication keeps moving parts running smoothly and extends equipment life.
- Motor drive: High-efficiency motor drive ensures optimal energy conversion and transmission, delivering high performance, reduced energy consumption, and minimal environmental impact.
- Five-stage compression: Multi-stage (five-stage) compression increases gas pressure step by step, guaranteeing stable and efficient gas supply under varying conditions.
Working Principle
The compressor utilizes a staged compression mechanism: air first enters the screw compressor for initial compression, then passes into the piston compressor for further pressurization. The five-stage compression process ensures efficient pressure build-up, resulting in high-pressure gas output. Real-time PLC monitoring of pressure, temperature, and other parameters maintains optimal performance, while water cooling and pressure lubrication systems ensure smooth, reliable, and long-lasting operation.
Application Areas
- Military Port Terminal: Rapidly fills warships, submarines, and other military equipment with high-pressure gas, supporting pneumatic and gas-powered units in military operations.
- Industrial Applications: Serves mining, metallurgy, petrochemical, and other heavy industries, providing high-pressure air for pneumatic control and gas power systems.
- Land Inflatable Station: Ideal for automotive and tire inflation stations where large air volumes and quick inflation are required, ensuring high efficiency and fast turnaround.
- Emergency Rescue and Disaster Recovery: Supplies essential high-pressure gas in disaster or rescue scenarios, enabling rapid deployment to critical sites for inflation or gas supply.
- Other Gas Compression Applications: Suitable for gas storage, compressed gas transmission, and any industrial process requiring continuous, high-flow, high-pressure gas delivery.
Technical Parameters
| Model | B-8/400 |
|---|---|
| Screw and cylinder diameter | I stage screw: 112mm; II stage: 160mm; III stage: 105mm; IV stage: 58mm; V stage: 34mm |
| Piston stroke | 90mm |
| Compression stages | 5 |
| Cooling method | water cooling |
| Lubrication method | pressure lubrication |
| Operating environment | -10°C to +40°C, RH≤95% |
| Suction pressure | 1 atm |
| Rated discharge pressure | 40Mpa |
| Air Capacity | 8m3/min |
| Lubricants | Piston head: 4502-N100; screw head: 4502-N46; |
| Lubricants consumption | ≤450g/h |
| Cooling water inlet temperature | ≤35°C |
| Cooling water consumption | ≤25ton/h |
| Drive motor | Y315L2-4-H |
| Speed | Piston 840rpm |
| Motor power | 160kw |
| Dimension(LxWxH) | 4280x1950x2350mm |
| Net weight | 8200kg |







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