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40 Bar Oil-Free PET Blowing Air Compressor
This series of 40 bar high pressure oil‑free piston air compressors is specifically designed for the PET bottle blowing industry and serves as a cost‑effective alternative directly equivalent to the AF Series Compressor. Featuring an L‑type configuration and 100% oil‑free design, it delivers a stable output pressure of 40 bar (580 psi) with a flow rate ranging from 8.5 to 30 m³/min (300~1059 CFM), meeting the air demand of high‑speed bottle blowing lines. Key components are fully interchangeable with the AF series, with performance parameters reaching original factory standards – but at a more competitive price, with ample stock and fast delivery.
Product Parameters
| Model | Air delivery (m³/min) | Working Pressure (Bar) | Motor Power (kW) | Speed (RPM) | Dimensions (mm) | Weight （kg） | ||||||||||||||||||||||||
| RKL-20/40 | 20 | 40 | 200 | 470 | 4650*2200*2780 | 7800 | ||||||||||||||||||||||||
| RKL-22/40 | 22 | 40 | 220 | 500 | 4650×2200*2780 | 8000 | ||||||||||||||||||||||||
Product features
1. True AF Equivalent - No Performance Gap
Shares the same design platform as the AF compressor; main components are fully interchangeable.
Core indicators (flow, pressure, temperature, noise) meet 100% of AF original standards.
Third-party tested continuous operation life >= 8,000 hours.
2. Stable 40 Bar Pressure - Higher Bottle Quality
Rated pressure 40 bar ensures perfect preform blowing.
Pressure fluctuation <= +/-0.5 bar - uniform wall thickness, reject rate reduced by over 30%.
3. 100% Oil-Free - Clean Bottles Guaranteed
Oil-free piston / labyrinth seal design -> zero oil content (Class 0).
No need for downstream oil removal filters, no risk of internal bottle contamination - meets food-grade packaging requirements.
4. L-Style Compact Footprint - Easy Maintenance
Vertical / horizontal L-type layout saves up to 25% floor space compared to conventional models.
Valves, piston rings and other wear parts are externally accessible - can be replaced within 10 minutes.
5. Up to 15% Better Energy Efficiency - Lower Operating Cost
Optimised cylinder cooling channels reduce discharge temperature by 8-10 deg C.
Saves 12-18% electricity compared to same-class AF original - investment recouped in two years via power savings.
Applications
1.PET Bottle Blowing – Water bottles, carbonated soft drink bottles, edible oil bottles, wide‑mouth jars.
2. Personal Care & Packaging – Shampoo bottles, shower gel bottles, cosmetic containers.
3. Pharmaceutical Packaging – Oral liquid bottles, eye drop bottles, medical reagent bottles.
4. Other High Pressure Oil‑Free Applications – Electronics blow‑off, laboratory air supply, pre‑treatment for painting.
