{"id":25491,"date":"2026-03-09T18:11:08","date_gmt":"2026-03-09T18:11:08","guid":{"rendered":"https:\/\/airtec.global\/?post_type=product&p=25491"},"modified":"2026-07-06T20:47:14","modified_gmt":"2026-07-06T20:47:14","slug":"stsh-vsd-290-psi-variable-speed-rotary-screw-compressor","status":"publish","type":"product","link":"https:\/\/airtec.global\/en\/product\/stsh-vsd-290-psi-variable-speed-rotary-screw-compressor\/","title":{"rendered":"Serie STSH-VSD 290 PSI"},"content":{"rendered":"
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STSH VSD 290 PSI Variable Speed Rotary Screw Compressor \u2013 Intelligent Control and True Efficiency<\/h3>\n

The STSH-VSD 290 PSI Series is designed for industrial processes that require consistent medium pressure with maximum energy efficiency. Thanks to its Variable Speed Drive (inverter) technology, the compressor automatically adjusts motor speed according to air demand \u2014 eliminating unnecessary load\/unload cycles and significantly reducing power consumption.<\/p>\n

Its Direct Drive design minimizes mechanical losses, while the premium-efficiency IE4 motor optimizes overall energy performance. The system is engineered for continuous 24\/7 operation, even in ambient conditions of up to 45\u00b0C, ensuring thermal stability and operational reliability.<\/p>\n

The integration of a microprocessor-based controller with MODBUS communication and IoT compatibility enables remote supervision, advanced electrical protection, and real-time monitoring \u2014 facilitating seamless integration into smart manufacturing environments.<\/p>\n

Available from 25 HP to 100 HP, this series delivers best-in-class performance for applications requiring elevated pressure with precise control.<\/p>\n<\/div>\n

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For more information about variable speed rotary screw compressors and high-pressure industrial air systems, visit SouthTek Systems<\/a> and Compressed Air Challenge<\/a>.<\/p>\n<\/div>\n\n\t\t<\/div>\n\t<\/div>\n<\/div><\/div><\/div><\/div><\/div>

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Applications<\/h4>\n
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Industrial processes requiring constant 290 PSI pressure.<\/p>\n<\/div>\n

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PET blowing and molding systems.<\/p>\n<\/div>\n

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Metalworking industry.<\/p>\n<\/div>\n

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Automotive manufacturing.<\/p>\n<\/div>\n

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Cutting processes or medium-pressure pneumatic tools.<\/p>\n<\/div>\n

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Integration with on-site gas generation systems.<\/p>\n<\/div>\n<\/div>\n

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Advantages<\/h4>\n
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Automatic adjustment to actual air demand.<\/p>\n<\/div>\n

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Reduced energy consumption compared to fixed-speed systems.<\/p>\n<\/div>\n

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Stable pressure without critical fluctuations.<\/p>\n<\/div>\n

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Reduced mechanical wear by avoiding frequent starts.<\/p>\n<\/div>\n

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Low noise level compared to traditional compressors.<\/p>\n<\/div>\n

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Greater operational control and data traceability.<\/p>\n<\/div>\n<\/div>\n

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\nTechnical Information and General Specifications
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The STSH-VSD 290 PSI Series is available in configurations ranging from 25 HP to 100 HP, with capacities reaching up to 190.35 CFM at 290 PSI, depending on the model. All variable-speed units operate standard at 460V and integrate WEG motors with Class F insulation, ensuring thermal stability and long service life.<\/p>\n

The system incorporates AKG coolers with bar-and-plate technology, up to 60% more compact than traditional designs, improving heat dissipation and reducing contaminant buildup. The microprocessor-based controller features integrated phase protection, current monitoring for the main motor and fan, a high-resistance enclosure with IP65 protection, and compatibility with factory-installed or retrofit IoT modules.<\/p>\n

The low-speed radial fan with integrated inverter optimizes cooling airflow, contributing to both energy efficiency and reduced operating noise.<\/p>\n\n\t\t<\/div>\n\t<\/div>\n<\/div><\/div><\/div>

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Variable Speed Drive (VSD) Technology\n<\/figcaption>\n\t\t<\/figure>\n\t<\/div>\n<\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div>
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Downloads<\/h3>\n<\/div>\n
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STSH-VSD 290 PSI Manual<\/p>\n

Download the complete manual with technical specifications, performance data, and installation information for the STSH VSD 290 PSI Variable Speed Rotary Screw Compressor.<\/p>\n

\n \u2b07 Download Manual<\/a>
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The STSH VSD 290 PSI Variable Speed Rotary Screw Compressor<\/strong> delivers high-pressure industrial compressed air with Variable Speed Drive technology for automatic demand adjustment and maximum energy efficiency.<\/p>\n<\/div>\n