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Electric Oil-free Air Compressor For Truck

Oil-free Scroll Air Compressors

NFDS CZS4.0B312
Adopting an advanced oil-free scroll structure, our compressor provides Class 0 certified oil-free air to meet strict international standards. It offers outstanding energy efficiency, ultra-low noise, and stable performance, ensuring continuous and reliable air supply. The maintenance-free design and durable construction lower total operating costs. Compact and easy to install, it is the optimal choice for precision industries such as medical, food, electronics and laboratories.
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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.
 
Compressor styleOil-free scroll air compressor
The compression mediumAir
Normal speed1800-3200rpm
Power supply voltage380VAC Three-phase
Compressor cooling methodForced water cooling
Weight44kg(including motor and controller)
ShellElectroplating on aluminum parts
Installation methodBolt connection
Installation sizeDrawing 4 - M10 mounting position and motor metal waterproof connector
Outline dimension334*300*354
Suction pipe inner sizeOuter diameter Φ25
Exhaust pipe inner sizeΦ25 M22*1.5 Compression fitting
Hydraulic pressure of coolant＜1bar
External coolant flow rate≥10L/min
Coolant inlet temperature≤65℃

Our 100% Oil-Free Scroll Air Compressor is engineered for peak performance in electric bus applications, delivering unmatched reliability and efficiency.

By leveraging orbiting scroll technology without oil lubrication or metal contact, it guarantees ISO 8573-1 Class 0 certified pure air, protecting vital pneumatic components such as air brakes, suspension, and door actuators from any contamination risk. Its design excels in energy optimization through variable speed compatibility with the vehicle's electric system, minimizing battery drain while enabling on-demand operation. Operators benefit from extended component life, no oil-related downtime, remote pre-pressurization capability for faster readiness, and robust performance in demanding conditions-all contributing to superior uptime, reduced total cost of ownership, and alignment with zero-emission mobility goals.