Hitachi Industrial Equipment Systems Nitrogen Gas Generation System NEXTII 2.2-5.5
Hitachi Industrial Equipment Systems
Self-energy-saving nitrogen gas generator with built-in oil-free compressor.
■Overview - All models are equipped with oil-free scroll compressors. - A combination of Hitachi's unique compressor control and optimal control of the nitrogen gas generation process allows for "automatic energy savings." - Being oil-free eliminates the need for regular replacement of adsorbents, significantly reducing maintenance costs. - The oil-free scroll compressor results in low vibration and low noise. ■Inverter Control for "Automatic Energy Savings" [V Type][3.7][5.5] By using inverter control to eliminate excess compression operation according to the amount of nitrogen gas used, the nitrogen gas generation process is also optimized. It features an "automatic energy-saving mode" that reduces power based on nitrogen gas usage and a "purity priority mode" that allows for higher purity by limiting nitrogen gas usage. ■Increased Nitrogen Gas Generation [2.2][3.7][5.5] By adopting highly reliable, high-efficiency adsorbents and utilizing Hitachi's unique "integrated control of oil-free scroll compressors and PSA," the extraction efficiency of nitrogen gas has been improved, resulting in increased nitrogen gas generation. ■Automatic Energy-Saving Mode - Approximately 48% power reduction at a nitrogen gas generation ratio of 40% and about 31% at 70%. - Energy-saving effects of the automatic energy-saving mode. - Operating patterns of the automatic energy-saving mode. ■Purity Priority Mode - Energy-saving effects of the purity priority mode.
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basic information
- All models come with built-in oil-free scroll compressors. - Equipped with inverter control for automatic energy-saving mode/purity priority mode (V type, 3.7, 5.5). - Automatic energy-saving mode: approximately 48% power reduction at 40% output ratio, approximately 31% at 70%. - Approximately 42% smaller compared to conventional models. - Built-in auto-drain trap, compatible with both 50/60Hz power supply.
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Applications/Examples of results
It is used in manufacturing sites that utilize nitrogen gas for food, pharmaceuticals, electronics, and more. It is suitable for applications that require a stable supply of clean nitrogen with low maintenance, as it is oil-free and does not require adsorbent replacement.
Line up（9）
| Model number | overview |
|---|---|
| NPO-2.22NB5 | |
| NPO-2.22NB6 | |
| NPO-2.23NB5 | |
| NPO-2.23NB6 | |
| NPO-2.24NB5 | |
| NPO-2.24NB6 | |
| NPO-3.73VNB | |
| NPO-3.74VNB | |
| NPO-5.52VNB |
Company information
Kyushu Kiden Co., Ltd. not only sells electrical and mechanical products such as air conditioning equipment, industrial machinery, air compressors, elevators, escalators, and lighting fixtures as a Hitachi sales agent, but also provides solutions that contribute to energy conservation and decarbonization (SDGs), including the currently popular solar power generation (PPA), biomass power generation, and waste heat recovery units. The company is also certified as a planner for ZEB (Net Zero Energy Building), which has recently gained attention in corporate energy-saving measures, and has received great acclaim for its comprehensive energy-saving proposals for entire buildings. 【Service Areas】 - Fukuoka, Saga, Kumamoto, Oita, Yamaguchi, Hiroshima, Osaka 【Major Qualifications】 - First-Class Plumbing Construction Management Engineer - First-Class Electrical Work Construction Management Engineer - Designated Construction Industry Supervisory Engineer (Plumbing) - Designated Construction Industry Supervisory Engineer (Electrical Work) - First-Class Electrician - Chief Technician for Water Supply Equipment Construction - First-Class Refrigeration and Air Conditioning Equipment Construction Skill Technician - Building Equipment Engineer - First-Class Civil Engineering Construction Management Engineer - Third-Class Refrigeration Machinery Manufacturing Safety Manager - Refrigeration and Air Conditioning Construction Safety Management Certificate - Refrigerant Handling Technician Certificate - First-Class Hitachi Refrigeration and Air Conditioning Technician (Air Conditioning and Low Temperature) - And many others.
