{"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":"2026-03-09T18:56:14","modified_gmt":"2026-03-09T18:56:14","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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\nIntelligent Control and True Efficiency for 290 PSI Applications\n<\/h3>\n
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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\u2014eliminating 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\u2014facilitating 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\n\t\t<\/div>\n\t<\/div>\n<\/div><\/div><\/div><\/div><\/div>

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\nApplications\n<\/h3>\n
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\nIndustrial processes requiring constant 290 PSI pressure.\n<\/p>\n<\/div>\n\n

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

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

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

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

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

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\nAdvantages\n<\/h3>\n
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\nAutomatic adjustment to actual air demand.\n<\/p>\n<\/div>\n\n

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

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

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

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

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

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\nTechnical Information and General Specifications\n<\/h3>\n
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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
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<\/i> Download STSH-VSD 290 PSI - Manual<\/a><\/div><\/div><\/div><\/div>
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Variable-Speed, Direct-Drive Rotary Screw Compressor<\/h4>\n
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