STSP-VSD
Variable Speed Rotary Screw Compressors | 15–600 HP | 100–218 PSI
- Power range: 15 to 600 HP
- Flow: 72–2423 CFM
- Operating pressure: 100–218 PSI
- VSD technology (Variable Frequency Drive)
- High-efficiency direct drive
- IE3 / IE4 motors (depending on model)
- Controller with intelligent monitoring
- Ultra-quiet operation
- Lifetime warranty on the airend
- Ready for Industry 4.0 integration
Description
Intelligent Energy Efficiency for Variable Demand
The STSP-VSD is designed for environments where compressed air consumption fluctuates constantly. Thanks to its variable frequency drive, it adjusts motor speed in real time—eliminating unnecessary load/unload cycles and significantly reducing power consumption.
The direct-drive system maximizes power transmission while minimizing mechanical losses. Additionally, its optimized thermal design ensures stability even under continuous 24/7 operation.
The combination of digital control, premium components, and a robust architecture makes this series an ideal solution for industrial plants looking to reduce operating costs without compromising performance.
Applications
Plants with variable air consumption.
Automated lines and intermittent processes.
Automotive and metalworking industries.
Continuous manufacturing processes.
Centralized compressed air systems.
Facilities focused on energy efficiency.
Advantages
Significant energy savings compared to fixed-speed compressors.
Stable pressure without fluctuations.
Reduced inrush current at startup.
Lower mechanical wear.
Low noise level.
Optimized total cost of ownership.
Remote monitoring and digital connectivity.
Precision Technology for Maximum Reliability
The STSP-VSD Series incorporates high-efficiency IE3 or IE4 motors with Class F insulation. Models up to 40 HP use tri-voltage motors, while units rated 50 HP and above operate at standard 460V.
The cooling system integrates high-performance bar-and-plate heat exchangers, up to 60% more compact than traditional designs, offering excellent heat dissipation and structural strength.
The digital controller includes:
- Integrated phase protection
- Current protection for main motor and fan
- Durable ABS enclosure
- IP65 protection on the front panel
- MODBUS communication
- IoT integration capability (factory-installed or retrofit option)
The system architecture is designed to minimize airflow contamination and maintain long-term thermal efficiency.
Downloads
Related Products
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- Working pressure up to 290 PSI.
- High-efficiency IE4 motor.
- Direct-drive configuration with no transmission losses.
- Low-speed radial fan with integrated inverter.
- Ultra-quiet operation.
- Remote monitoring and Industry 4.0 / IoT compatibility.
- Optional heat recovery.
- Reliable operation in ambient temperatures of 45°C or higher.
- Service program and 3-year warranty on the airend.
Serie STSH-VSD 290 PSI
Variable-Speed, Direct-Drive Rotary Screw Compressor
- Variable Speed Drive (VSD) technology for automatic demand adjustment.
- Working pressure up to 290 PSI.
- High-efficiency IE4 motor.
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STSD-VSD Series
Variable Speed Rotary Screw Compressors | 15–475 HP | 62–2159 CFM
- Power range: 15 – 475 HP
- Airflow: 62 – 2159 CFM
- Operating pressure: 100 – 218 PSI
- Variable Speed Drive (VSD) technology
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- Remote monitoring and Industry 4.0 compatibility
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STSD-VSD Series
Variable Speed Rotary Screw Compressors | 15–475 HP | 62–2159 CFM
- Power range: 15 – 475 HP
- Airflow: 62 – 2159 CFM
- Operating pressure: 100 – 218 PSI
- Variable Speed Drive (VSD) technology
- High-efficiency direct drive
- IE3 premium efficiency motor
- Low-speed operation for extended durability
- Remote monitoring and Industry 4.0 compatibility
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- Designed for environments ≥45°C
- 10-year airend warranty
Serie STSP-2
Two-Stage, Fixed-Speed, Direct-Drive Rotary Screw Air Compressors
- Two-stage compression technology for greater volumetric efficiency.
- Direct-drive design that reduces mechanical losses.
- High-efficiency IE4 motor for maximum energy savings.
- Low-speed operation that extends service life.
- Lifetime warranty on the airend.
- Remote monitoring and Industry 4.0 / IoT compatibility.
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- Ultra-quiet operation.
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- Premium components: AKG, WEG, Hoerbiger, and CMC.
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Serie STSP-2
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- Lifetime warranty on the airend.
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STSH-VSD Series 290 PSI
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- Power range: 25 – 100 HP
- Airflow: 35 – 190 CFM
- Operating pressure: 290 PSI
- Direct drive system
- Variable Speed Drive (VSD) technology
- IE4 ultra-high efficiency motor
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- 5-year airend warranty
STSH-VSD Series 290 PSI
Variable-Speed Rotary Screw Compressors | 25–100 HP | 290 PSI
- Power range: 25 – 100 HP
- Airflow: 35 – 190 CFM
- Operating pressure: 290 PSI
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- Variable Speed Drive (VSD) technology
- IE4 ultra-high efficiency motor
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- Remote monitoring compatible with Industry 4.0
- Ultra-quiet operation
- Heat recovery option available
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- 5-year airend warranty
Serie STSD
Fixed Speed Rotary Screw Compressors | 30–600 HP | 100–218 PSI
- Power range: 30 – 600 HP
- Airflow: 134 – 2584 CFM
- Operating pressure: 100 – 218 PSI
- Direct drive system
- High-efficiency IE3 motor
- Low-speed operation for greater durability
- Microprocessor-controlled panel
- Remote monitoring compatible with Industry 4.0
- Quiet operation
- Designed for environments ≥45°C
- 10-year airend warranty
Serie STSD
Fixed Speed Rotary Screw Compressors | 30–600 HP | 100–218 PSI
- Power range: 30 – 600 HP
- Airflow: 134 – 2584 CFM
- Operating pressure: 100 – 218 PSI
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- High-efficiency IE3 motor
- Low-speed operation for greater durability
- Microprocessor-controlled panel
- Remote monitoring compatible with Industry 4.0
- Quiet operation
- Designed for environments ≥45°C
- 10-year airend warranty
Series STS-T y STS-TD
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- 6-year airend warranty
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Series STS-T y STS-TD
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- Tank-mounted design for simplified installation
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- 6-year airend warranty
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Serie STS 40
High-Pressure Piston Booster 580 PSI | 15 – 25 HP | 110 – 273 CFM
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Serie STS 40
High-Pressure Piston Booster 580 PSI | 15 – 25 HP | 110 – 273 CFM
- ower range: 15 – 25 HP
- Airflow: 110 – 273 CFM
- Discharge pressure: 580 PSI
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- Microprocessor control panel in cabinet models
- Optional sequential operation
- Long-life concentric intake and discharge valves
- 2-year booster warranty
Serie STSP
Premium Fixed-Speed Rotary Screw Compressors | 30–425 HP | 100–218 PSI
- Power range: 30 to 425 HP
- Operating pressure: 100, 125, and 218 PSI
- Flow up to 2151 CFM
- Direct drive
- High-efficiency IE3 / IE4 motors
- Microprocessor control panel with LCD display
- Standard proportional control valve
- Optimized cooling with radial fan (≥75 kW)
- Two-stage air/oil separator (2–3 PPM)
- Lifetime warranty on the airend
- ISO 1217:2009 Annex C & E compliant
- Noise level measured under ISO 2151
Serie STSP
Premium Fixed-Speed Rotary Screw Compressors | 30–425 HP | 100–218 PSI
- Power range: 30 to 425 HP
- Operating pressure: 100, 125, and 218 PSI
- Flow up to 2151 CFM
- Direct drive
- High-efficiency IE3 / IE4 motors
- Microprocessor control panel with LCD display
- Standard proportional control valve
- Optimized cooling with radial fan (≥75 kW)
- Two-stage air/oil separator (2–3 PPM)
- Lifetime warranty on the airend
- ISO 1217:2009 Annex C & E compliant
- Noise level measured under ISO 2151
