Description
Key Technical Specifications
The following specifications describe the APS-DD product family, not a verified individual APS-DD-2 configuration.
| Parameter | Specification |
|---|---|
| Manufacturer | Airpress |
| Product Series | APS-DD |
| Compressor Type | Rotary Screw Compressor |
| Drive Configuration | Direct Drive (1:1) |
| Motor Type | Permanent-Magnet Synchronous Motor |
| Speed Control | Variable-Frequency Inverter |
| Series Pressure Range | 5.5–13 bar |
| Power Supply | 400 V AC, 50 Hz, Three-Phase (documented series configurations) |
| Controller | ES 4000 Standard, depending on configuration |
| Lubrication | Oil-Injected Compression System |
| Installation | Stationary Industrial Installation |
Important: Motor power, air delivery, maximum operating pressure, dimensions, and weight cannot be assigned reliably to the supplied model number without confirming its actual catalog identity.
Product Introduction
Airpress APS-DD-2APS-DD-2 Industrial Screw Compressor
The Airpress APS-DD series comprises industrial rotary screw compressors using direct-drive permanent-magnet motors and inverter-based speed regulation. The system adjusts compressor output to match changing compressed-air demand, making it suitable for manufacturing facilities and industrial pneumatic networks.
Its direct-drive arrangement eliminates belt transmission losses and reduces the number of mechanical components requiring routine attention. For plant operators, the main considerations are air delivery stability, pressure requirements, electrical consumption, and maintenance costs.
APS-DD-2APS-DD-2
Application Scenarios & Field Pitfalls
Engineering Pain Point
An industrial compressed-air network can experience substantial pressure fluctuations when several production machines start simultaneously. Fixed-speed compressors may respond through frequent loading and unloading, increasing energy consumption during periods of variable demand. An inverter-controlled screw compressor can adjust motor speed according to actual air consumption. However, correct sizing remains essential. A compressor that cannot maintain the required pressure under peak demand will still cause production interruptions.
Typical Applications
- Automotive Manufacturing: Supplying compressed air to pneumatic assembly tools, robotic equipment, and automated production lines.
- Food and Beverage Processing: Providing compressed air for packaging machinery, conveying equipment, and pneumatic actuators.
- Metal Fabrication: Supporting pneumatic cutting equipment, industrial tooling, and automated material-handling systems.
- Chemical Processing: Supplying compressed air to pneumatic control valves, instrumentation systems, and process equipment.
Technical Pitfalls to Avoid
- Incorrect Pressure Configuration
Do not assume that the compressor’s maximum pressure is its normal operating pressure. Verify the required discharge pressure, minimum operating speed, and pressure-control settings. Incorrect configuration can cause unstable supply pressure or unnecessary energy consumption.
- Inverter and Motor Compatibility
The permanent-magnet motor and inverter must operate with their intended control parameters. Replacing an inverter without checking motor identification, firmware, and parameter settings can result in startup faults or abnormal motor operation.
- Oil and Cooling System Maintenance
Direct drive does not eliminate routine compressor maintenance. Oil condition, oil filters, air intake filters, and cooling passages remain critical. Restricted airflow or degraded lubrication can increase discharge temperature and accelerate compression-element wear.
Field recommendation: Before ordering a replacement, photograph the complete nameplate and record the compressor’s catalog number, motor rating, pressure rating, and controller version.
Related Products
The following models belong to or complement the Airpress APS-DD compressor family. They are related configurations, not confirmed drop-in replacements for APS-DD-2APS-DD-2.
- Airpress APS 10DD IVR (36212-DD)
A 7.5 kW direct-drive variable-speed compressor. Suitable for industrial facilities with relatively moderate compressed-air demand. - Airpress APS 15DD IVR (36213-DD)
An 11 kW configuration offering higher air delivery for production environments with greater pneumatic consumption. - Airpress APS 20DD IVR (36214-DD)
A 15 kW direct-drive variable-speed configuration for applications requiring higher compressed-air capacity. - Airpress APS 15DD IVR Combi Dry
An integrated compressor package incorporating air-treatment equipment, suitable for installations requiring compressed-air generation and drying in one system. - Airpress APS 20DD IVR Combi Dry
A higher-capacity integrated configuration with a 500-liter receiver and air-drying equipment. - Airpress APS 10D
A conventional screw-compressor configuration. Useful when evaluating fixed-speed alternatives for relatively stable compressed-air demand. - Airpress APS 15D
A conventional 11 kW screw-compressor configuration for industrial air supply where variable-speed operation is not required. - Airpress ES 4000 Controller
Compressor control equipment used in documented APS-DD configurations. Controller compatibility and software revision should be verified before replacement.
Related APS-DD configurations are documented in the manufacturer’s product literature.
