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Hebei Nanfeng Automobil Udstyr (Gruppe) Co., Ltd
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E-mail: nh.jiao@auto-parkingheater.com
Tilføj: Værelse 505, Bygning B, Gratis By Center, nr. 58, Øst Tredje Ring Syd Vej, Chaoyang Distrikt, Beijing, 100022, PRKina
100% Oil-Free Scroll Air Compressor For Electric Buses
Our 100% Oil-Free Scroll Air Compressor is perfectly suited for electric buses. It uses advanced scroll technology to deliver ISO 8573-1 Class 0 pure, clean compressed air without any oil. Ultra-quiet (48-67 dB), low vibration, compact and lightweight, it powers brakes, suspension and doors reliably while maximizing energy efficiency and minimizing maintenance in zero-emission fleets.
Beskrivelse
If you're looking for the 100% oil-free scroll air compressor for electric buses, welcome to wholesale the product from our factory. As one of the leading manufacturers and suppliers in China, we will offer you the best service and fast delivery. Now, check the quotation with our seller.
100% Oil-Free Scroll Air Compressor for Electric Buses
Our 100% Oil-Free Scroll Air Compressor represents the ideal choice for modern electric buses, prioritizing passenger experience and sustainability.
Its non-contacting scroll design eliminates oil entirely, producing ultra-clean compressed air that safeguards pneumatic systems like brakes, suspension, and door mechanisms from contamination. With exceptionally low noise levels and reduced vibration, it creates a quieter, smoother ride in silent EV cabins. The lightweight, compact build supports versatile mounting options, while electric compatibility and high efficiency optimize battery range. Enjoy virtually maintenance-free performance, no oil changes or disposal hassles, and lower long-term operating costs for greener, more reliable fleet operations.
| 0~12.5Mpa | ||
| <=12(including motor and controller) | ||
| -40℃~+65℃ | ||
| -40℃~+65℃ | ||
| <=90℃+Ambient temperature(Water cooling) | ||
| Oil-free scroll air compressor | |
| 1800-3200rpm | |
| 380VAC Three-phase | |
| 44kg(including motor and controller) | |
| Drawing 4 - M10 mounting position and motor metal waterproof connector | |
| 334*300*354 | |
| Outer diameter Φ25 | |
| Φ25 M22*1.5 Compression fitting | |
| ＜1bar | |
| >=10L/min | |
| <=65℃ |
Two involute scrolls, a stationary scroll, and a moving scroll, mesh with staggered teeth. The moving scroll, driven eccentrically, performs planar rotational motion (without self-rotation), maintaining a micrometer-level gap between the two without contact throughout the process. Air enters the intake port on the outer periphery of the scrolls through an intake filter and is sealed into multiple crescent-shaped closed compression chambers as the moving scrolls move. These compression chambers move towards the center of the scrolls, gradually decreasing in volume, continuously compressing the air. Finally, the high-pressure air is discharged from the exhaust port at the center of the stationary scroll, completing a continuous unidirectional process of "intake – compression – exhaust".
The key to the oil-free design is that no lubricating oil is involved in the compression chambers. Precision machining ensures a tight seal, and self-compensating end-face seals and wear-resistant coatings achieve frictionless and oil-free operation.
1. Pressure and Flow Rate: Mainstream operating pressure 7–10 bar, flow rate range 1.9–7.6 m³/min (mainly small units), match operating conditions as needed.
2. Cooling Method: Air cooling for light indoor loads; water cooling for continuous high loads or high-temperature environments.
3. Variable Frequency Configuration: Variable frequency models are recommended for frequent load changes to reduce energy consumption and start-stop impact.
4. Installation and Maintenance: Ventilation space is provided; regular replacement of the intake filter and seals is required; no complex oil circuit maintenance is needed.
Oil-Free Scroll Air Compressor: Core Advantages
The compression process is oil-free, and the output air meets the ISO 8573-1 Class 0 oil-free standard, eliminating the need for post-treatment oil removal and reducing downstream filtration costs.
Smooth rotary motion without reciprocating impact; overall noise level is 53–65 dB(A), suitable for indoor and medical environments.
Fewer moving parts, no contact wear; only seals are vulnerable, resulting in long maintenance cycles and low costs; volumetric efficiency under partial load is superior to reciprocating and screw compressors.
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