An oil‑free screw blower is a positive‑displacement rotary machine that uses intermeshing screw rotors and external timing gears to compress air without oil in the compression chamber, delivering comp
Product features
Oil‑Free Purity
ISO 8573‑1 Class 0 certified – delivers 100% oil‑free air with special seals and coatings. Ideal for food, pharma, electronics, and chemical industries.
Energy Savings
Saves 20‑35% over roots blowers (up to 50% in optimal cases). Uses internal compression, permanent magnet motor + VSD for load‑based output. Overall efficiency >75% for some models. A 110kW unit can save over ¥200,000/year in electricity.
Low Noise
Operates as low as 75 dB(A) with built‑in soundproofing and silencers – no extra noise barriers needed.
Reliability & Easy Maintenance
Core components rated for 20 years; handles up to 200 kPa (20m water depth). Constant flow, compact design, smart remote monitoring. Maintenance man‑hours cut by 70%; 5‑year warranty on key parts.
Flexible & Adaptable
VSD enables 30‑100% capacity regulation without surge. Auto inlet valve for unloading. Works outdoors, at high altitude (3,283m), and in dusty conditions. Applications: aeration, conveying, fermentation, textile, desulfurization, food/pharma.
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