Oil-Free Piston Air Compressor-40 Bar High Pressure for PET Blowing Industrial Applications

Key Advantages of Rocky Compressors vs. AF Models

1. Similar Operational Stability
   Rocky offers operational stability that is highly comparable to AF, making it suitable for 24/7 PET blow molding applications.

2. Lower Maintenance Costs
   Thanks to an optimized design, Rocky significantly reduces maintenance costs for accessories and spare parts.

3. Better Energy Efficiency
   With advanced VFD technology, Rocky cuts energy use substantially — typically 25–40% less than conventional fixed-speed compressors.

4. Stronger Overall Cost Competitiveness
   Shorter delivery times, flexible OEM supply options, and a lower total cost of ownership (TCO) make Rocky a cost-effective and reliable alternative to AF.

Product Parameters

Model			Air delivery (m³/min)					Working Pressure (Bar)					Motor Power (kW)				Speed (RPM)			Dimension (mm)							Weight （kg）
RKL-25/40			25					40					250				390			4950*2690*2980							8500
RKL-28/40			28					40					280				440			4950*2690*2980							8800
RKL-30/40			30					40					315				470			4950*2690*2980							9000

Key Applications of Rocky Compressors

1. PET Bottle Production
   Used in blow molding and stretch-blow molding processes for PET bottles in the beverage, food, cosmetic, and pharmaceutical industries.

2. Food & Beverage Industry
   Suitable for packaging lines and providing food-grade compressed air for blow molding operations.

3. Pharmaceutical & Cosmetics
   Delivers high-pressure air for bottle and container manufacturing, supporting clean and hygienic processes.

4. General Industrial Manufacturing
   Serves a wide range of sectors including plastic injection molding, glass production, cable manufacturing, metallurgy, and electronics.

5. Automotive Sector
   Applied in component testing, pneumatic systems for assembly lines, and high-pressure cleaning tasks.

6. Industrial Gas Applications
   Used for industrial gas boosting, natural gas grid pressurization, and nitrogen handling.

7. Pressure & Leak Testing
   Ideal for pressure vessel testing, pipeline integrity checks, leak detection, and stress testing.

8. CNG & Hydrogen Energy
   Supports CNG vehicle refueling stations, natural gas vehicle (NGV) refueling, and hydrogen compression for various industrial processes.