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Oil-Free PET Bottle Compressor
An oil‑free PET bottle compressor is a high‑pressure air compressor that delivers 100% oil‑free compressed air (up to 40 bar) for blow‑molding PET bottles, ensuring zero oil contamination in the production line.
Rocky Compressors Advantages
100% oil‑free air – meets ISO 8573‑1 Class 0 standards, safe for food and pharmaceutical contact.
Low maintenance – no oil filters, separators, or oil changes; only routine air filter replacements.
Cost‑effective – lower operating costs due to reduced consumables and energy‑efficient design.
Reliable high pressure – stable 40 bar output for fast, consistent bottle forming.
Compact & quiet – space‑saving design with low noise levels.
Product Parameters
| Model | RKL-20/40 |
| Air delivery (m³/min) | 20 |
| Working Pressure (Mpa) | 4.0 |
| Motor Power (kW) | 200 |
| Speed(RPM) | 470 |
Dimensions(mm) | 4650*2200*2780 |
Weight（kg） | 7800 |
PET Bottle Compressor Application Industries
Beverage – water, juice, soft drinks, and carbonated beverages.
Food – edible oils, sauces, condiments.
Pharmaceutical – medicine bottles, health supplement containers.
Cosmetics – shampoo, lotion, and personal care packaging.
Any industry that requires high‑purity compressed air for PET blow molding.
FAQS
Q1: What pressure does this compressor provide?
A: It is designed for 40 bar (580 psi), which is the standard requirement for most PET blow‑molding applications.
Q2: Is the air really oil‑free?
A: Yes. The compression chamber uses oil‑free technology, and the output air is certified to ISO Class 0, meaning no measurable oil content.
Q3: What maintenance is needed?
A: Regular replacement of intake air filters and periodic inspection of valves and seals. No oil changes are required, simplifying service.
Q4: Can it be used for other purposes?
A: While it is optimized for PET bottle blowing, it can also supply clean air for pneumatic tools, packaging machinery, or other processes requiring oil‑free air.
Q5: Does it require special installation?
A: Standard industrial power and cooling water (for water‑cooled models) are needed. It is recommended to install in a clean, ventilated area with adequate space for maintenance.
