Basic Specifications
Structure Type
Closed Type
Compress Level
Single-Stage
Purpose
Medical, Ventilator, Nitrogen Generation, Oxygen
Warranty
2 Year Limited Warranty
Power Source
Corded-Electric
Specification
750W 120L/Min
Product Overview
Adult CPAP Medical Hospital Equipment Surgical ICU Pediatric Invasive System Ventilator Machine Concentrator Piston Oil Less Free Oilless Oxygen mini Air Compressor
This series of oil-less rocking piston pumps and air compressors combines the best characteristics of traditional piston pumps and diaphragm pumps into compact units with excellent features.
Key Advantages
- Lightweight & Portable: Designed for easy transport and integration.
- Zero Maintenance: Extremely durable with near zero maintenance requirements.
- Thermal Protection: Built-in protection up to 130°C for operational safety.
- Quiet Operation: Includes silencer/muffler to maintain low noise levels.
- Quality Fittings: All nickel-plated fittings and stainless steel components.
- Stable Performance: Features oil damping for vacuum and pressure gauges.
Technical Specifications Data
| Model |
Hz |
L/min |
Kpa |
Kw |
Min-1 |
A |
V |
Noise (dB) |
Weight (kg) |
| PM200C | 50/60 | 50/58 | 200 | 0.12/0.13 | 1380/1450 | 0.45/0.90 | 210/110 | 48 | 1.8 |
| PM300C | 50/60 | 75/90 | 300 | 0.15/0.16 | 1380/1450 | 0.76/1.52 | 210/110 | 45 | 3.2 |
| PM550C | 50/60 | 105/115 | 600 | 0.32/0.35 | 1380/1450 | 1.50/3.00 | 210/110 | 56 | 6.0 |
| PM1200C | 50/60 | 120/145 | 300 | 0.45/0.49 | 1380/1450 | 1.70/3.50 | 210/110 | 58 | 7.6 |
| PM1400C | 50/60 | 160/180 | 700 | 0.45/0.49 | 1380/1450 | 1.70/3.50 | 210/110 | 58 | 8.5 |
| PM2000C | 50/60 | 230/250 | 800 | 0.55/0.60 | 1380/1450 | 2.50/5.20 | 210/110 | 60 | 10.0 |
| HP2400C | 50/60 | 240/258 | 900 | 0.90/1.00 | 1380/1450 | 3.30/6.80 | 210/110 | 75 | 17.0 |
Why Choose Rocking Piston Products?
Variety & Compatibility
Available in single, twin, and miniature styles, matching North American, European, and worldwide power supplies (AC and DC 6/12/24V options).
Exceptional Performance
Combines piston and diaphragm characteristics with airflow capabilities up to 5.5 CFM and vacuum down to 31 mbar.
Reliability
Piston rod and bearing assemblies are bonded, ensuring components will not slip, loosen, or misalign during long-term use.
Clean Air Guarantee
100% oil-free design, ideal for laboratories, medical environments, and food industries where contamination is prohibited.
Wide Application Areas
- Medical: Body fluid analysis, dental tools, eye surgery equipment, medical aspiration, oxygen concentrators, and ventilators.
- Food & Beverage: Beverage dispensing, nitrogen generation, food processing, and packaging.
- Transportation: Braking systems, suspension systems, and tire inflators.
- Laboratory: Lab automation, vacuum centrifuge, and water purification.
- Industrial: Cable pressurization, core drilling, and dry sprinkler systems.
Frequently Asked Questions
1. What makes an oil-less air compressor better for medical use?
Since they are 100% oil-free, they eliminate the risk of oil mist contamination, making them essential for laboratories, hospitals, and food-related applications where air purity is critical.
2. Does the rocking piston pump require frequent maintenance?
No, these units are designed for durability and "near zero" maintenance. The bonded piston rod and bearing assembly prevent common issues like loosening or misalignment.
3. Can this compressor work with different international voltages?
Yes, the series includes dual frequency and multi-voltage AC motors to match North American, European, and global power supplies, as well as DC 6, 12, and 24 volt options.
4. Is there built-in protection against overheating?
Yes, the pumps include integrated thermal protection that triggers at 130°C to prevent damage and ensure safe long-term operation.
5. What is the standard warranty period for these products?
This product comes with a 2 Year Limited Warranty, covering manufacturing defects and ensuring reliable performance in demanding medical and industrial settings.
6. How loud is the compressor during operation?
The noise level is kept very low, typically below 58 dB for the PM series. It includes a silencer/muffler to ensure it is suitable for quiet medical environments.