A vertically compact compressor with a small footprint. Atlas Copco's exceptional energy-saving features and high efficiency reduce energy consumption by an average of 50%!
■Features (GA VSD+ 7.5–75kW) - Class-leading efficiency achieved through in-house manufactured IPM motors (equivalent to IE5 high efficiency) and oil cooling design. - Space-saving innovative vertical design that extends elegantly upwards. - Automatic adjustment of motor speed achieves an average energy saving rate of 50% compared to in-house standards. - Fans designed based on owl feathers realize reduced power consumption and low noise. - New intake valve increases air volume by up to 12% compared to in-house standards. - High-performance control/monitoring controller with a full-color touch panel enhances efficiency and reliability. - Unique inverter VSD control technology reduces lifecycle costs by an average of 37%. - Lineup includes 18kW/26kW/30kW/45kW, which are not available from other companies. ★GA-VSD+ won the Good Design Award 2020!
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basic information
○ Achieving cost reduction and environmental conservation at a high level - Average lifecycle cost reduced by 37% through unique inverter VSD control technology - Fans designed based on owl feathers achieve reduced power consumption and low noise - Atlas Copco's unique program stops operation when a dryer is not needed - No air blowout during drain discharge, efficiently producing air - Heat exchanger technology with low pressure loss - Pressure dew point of 3°C - Refrigerant with an ozone depletion potential of zero adopted - New heat exchange technology reduces refrigerant volume and decreases global warming potential by 50% ■ Atlas Copco Oil-injected Screw Compressor GA VSD+ (Variable Speed Drive) Specifications ○ Motor output: 7.5 to 75 kW Free air delivery: 0.42 to 13.48 m³/min (discharge pressure 0.7 MPa) Compression method: Screw (oil-injected) ○ Motor output: 75 to 110 kW Free air delivery: 2.9 to 20.7 m³/min (discharge pressure 0.7 MPa) Compression method: Screw (oil-injected)
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Applications/Examples of results
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Detailed information
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Adoption of in-house high-efficiency motors equivalent to IE5. We use our uniquely designed in-house IPM motors optimized for compressors. The oil cooling achieves industry-leading cooling efficiency and dramatically improves bearing durability.
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Adoption of an innovative cooling fan. The fan blades are designed based on owl feathers. Reduction in power consumption and low noise achieved through new material fan covers and high-efficiency fan motors. (Used in 7.5 to 75 kW)
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We will analyze waste from the operating data of existing compressors and provide a free diagnosis on possible electricity cost reductions.
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Company information
Kozu Transmission Machinery Co., Ltd. is a top-class specialized trading company for industrial equipment in Japan. Countless machines in the industrial sector are in operation... and our products are vital in their drive, transmission, and control parts. We also contribute to the faithful execution of operations in FA and CIM. Since our founding in 1951, we have expanded our range of products not only in transmission components but also in response to customer needs, broadening our offerings to include control systems, ensuring we have everything necessary for transmission. With the motto of being a "trustworthy company," we have established a unique system to respond quickly to customer requests while maintaining a customer-oriented approach. Additionally, we continuously capture the latest product information and provide it to our customers, as well as making proposals to manufacturers. Moving forward, we aim to continue our daily efforts for improvement without forgetting our original intentions.