China wholesaler 30-40bar 390-1500m3/Hr Pet Blowing Oil Free Air Compressor air compressor price

Product Description

 PET Blowing Oil free Air Compressor

Data range : 40bar
Europe design and technology,Adopt 3 column,three stage double acting oil free compress
(ISO8573-1Standard)24hours non-stop
less energy cost,less noise and vibration 
Long life wearing parts
Mainly used in PET blow molding,petroleum,leak detection,precision machinery,electronic and Aerospace.

Characteristics of SZW:
· W type, 3 column, 3 stage compression, higher efficiency,less piston force,less floor space. 
·  The 3 stages are double acting cylinders.Each stage is equipped with at least 2 sets of intake and exhaust valves to avoid downtime due to a single valve failure.Less mechanical loss and less pressure difference.Gas leakage is smaller during compression operation.The operation temperature of all levels is lowered, energy consumption is saved, and the service life of wearing parts is increased.
·  The tapered end of the forged steel crankshaft processeed by various processes makes the installation and removal of the pulley simpler.
· Stainless steel body and valve cover, not easy to rust,easy to assemble and disassemble.Imported PEEK valve, less noise, better sealing.
·  The more reasonable design of water chamber makes the service temperature of air valve, piston and stuffing box lower, and greatly improves the service life of wearing parts.
· Imported materials piston ring and packing, accompanied by excellent design and processing, so that smaller friction, leakage less.
· Aluminum alloy and stainless steel piston, with sp6ecial design and precise machining, longer service life. 
· It adopts automatic aligning roller bearing without any adjustment and has longer service life.
· Special oil scraping ring and excellent design of oil scraper, so that oil scraping effect is better, longer service life. 
·  American Standard belt wheel, imported Optibelt belt, higher efficiency, longer service life.
· A forced oil pump mounted on the crankshaft can adjust the supply pressure and configure the filter and relief valve.
·  Precision machining of connecting rod, with special imported materials of the Bush, without clearance adjustment, the friction coefficient is lower.


40bar Technical parameter:
Model FAD Host
m³/min cfm
SZW-6/40-B 6.5 229 W-Type  
500 4200×1800×2550 75 4800 Skid
SZW-8/40-B 8.5 299 645 90 4900
SZVW-6/40 6.5 229 500 3100×1900×2200 75 4200 Veriable
SZVW-8/40 8.5 299 645 90 4300
SZVW-10/40 10.5 370 590 110 4700
SZVW-12/40 12.5 441 710 132 4800
SZVW-16/40 16.0  565 490 3600×2200×2200 160 7900
SZVW-18/40 18.0  636 550 185 8100
SZVW-20/40 20.0  704 615 200 8300
SZVW-22/40 22.0  777 490 220 8500
SZVW-25/40 25.0  882 550 250 8800

Notes:Performance parameters measured according to ISO2017,reference conditions:inlet temperature 20ºC,inlet pressure 1barA

Intelligent VSD Control System

·Large adjust range (some models)

·Low start electric current, No impact on power grid

·20% of the total energy cost could be saved after adjustment 
Steady air pipe pressure

·Frequency converter uses wide-yoltage design that meets international standards

·Born small harmonics, for heavy high harmonic say No 

·Could achieve multi-compressors combination control


PLC is the SIEMENS,contactor and intermediate relay are used for S chneider

Intelligent VSD control system is a product developed specially according to the character-istics of PET bottle blowing industry. The system can automatically control the air pressure within a reasonable range according to the gas utilization condition of the gas terminal, and has a variety of protection, which can effectively ensure the safe and efficient operation of the equipment.

24H Remote Monitoring And Early Warning System
To improve the monitoning data and an optional remote monitoring system, the running state of a computer or mobile phone remote monitoring compressor

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After-sales Service: 24/7 Engineer Online Service
Warranty: 1year
Performance: Low Noise


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Shipping Cost:

Estimated freight per unit.

about shipping cost and estimated delivery time.
Payment Method:


Initial Payment

Full Payment
Currency: US$
Return&refunds: You can apply for a refund up to 30 days after receipt of the products.

air compressor

How Do You Ensure the Air Quality Produced by Oil-Free Compressors?

Ensuring the air quality produced by oil-free compressors involves a combination of factors, including proper equipment selection, appropriate maintenance practices, and adherence to industry standards. Here’s a detailed explanation of how to ensure the air quality produced by oil-free compressors:

1. Equipment Selection:

Choosing the right oil-free compressor is the first step in ensuring air quality. It is essential to select a compressor that is specifically designed for applications requiring clean air, such as food and beverage processing, pharmaceutical manufacturing, electronics assembly, and medical facilities. Consideration should be given to the compressor’s filtration capabilities, air treatment options, and compliance with relevant industry standards and regulations.

2. Filtration Systems:

The filtration systems integrated into oil-free compressors play a crucial role in maintaining air quality. These systems typically include pre-filters, coalescing filters, and activated carbon filters. Pre-filters remove larger particles, coalescing filters capture smaller particles and coalesce water vapor, and activated carbon filters absorb odors and remaining oil vapors. Regular inspection and replacement of filters are necessary to ensure their effectiveness in removing contaminants from the compressed air.

3. Regular Maintenance:

Regular maintenance is key to preserving air quality. This includes following the manufacturer’s recommended maintenance schedule, which may involve tasks such as filter replacement, lubrication of non-compressed parts, and inspection of seals and gaskets. Proper maintenance helps prevent air leaks, ensures the compressor operates efficiently, and reduces the risk of contamination.

4. Air Quality Testing:

Periodic air quality testing is essential to verify the effectiveness of the oil-free compressor and its filtration system. Air quality testing can involve measuring parameters such as oil content, particulate matter, moisture levels, and microbiological contamination. By conducting regular air quality tests, any deviations from the desired air quality standards can be identified, allowing for corrective actions to be taken promptly.

5. Compliance with Standards:

Adhering to industry standards and regulations is crucial in ensuring air quality. Standards such as ISO 8573 specify the acceptable limits for contaminants in compressed air, including oil content, particulate matter, and moisture. Compressors should be selected, installed, and operated in accordance with these standards. Regular auditing and certification processes can help ensure ongoing compliance and provide assurance of air quality to stakeholders.

6. Training and Education:

Proper training and education of personnel involved in the operation and maintenance of oil-free compressors are vital. Operators should be familiar with the specific requirements of oil-free compressors, including the importance of filtration, maintenance procedures, and recognizing signs of potential issues. Training programs can help ensure that operators have the necessary knowledge and skills to maintain air quality effectively.

By considering equipment selection, implementing robust filtration systems, conducting regular maintenance, performing air quality testing, complying with standards, and providing appropriate training, the air quality produced by oil-free compressors can be effectively ensured. These measures are essential for applications where air purity is critical, safeguarding product integrity, process efficiency, and the health and safety of personnel.

air compressor

Are There Any Specific Safety Considerations When Using Oil-Free Compressors?

Yes, there are specific safety considerations that should be taken into account when using oil-free compressors. Here’s a detailed explanation of the safety considerations associated with oil-free compressor operation:

1. Electrical Safety:

Oil-free compressors are powered by electricity, so electrical safety measures should be followed. It is important to ensure that the compressor is properly grounded and connected to a suitable power source. Electrical wiring and connections should be inspected regularly to identify any potential hazards such as frayed wires or loose connections. Adequate circuit protection, such as fuses or circuit breakers, should be in place to prevent overloads or short circuits. All electrical work should be performed by qualified personnel in compliance with applicable electrical codes and regulations.

2. Pressure Safety:

Compressed air generated by oil-free compressors can reach high pressures, and proper pressure safety measures should be in place. Pressure relief valves are essential components that protect the compressor and the entire compressed air system from overpressurization. These valves should be properly sized, regularly inspected, and tested to ensure they operate within the specified pressure limits. Pressure gauges should be installed to monitor and display the pressure levels accurately. It is important to avoid exceeding the maximum pressure rating of the compressor and to follow the manufacturer’s guidelines regarding pressure limitations.

3. System Ventilation:

Oil-free compressors generate heat during operation, and adequate ventilation is necessary to prevent overheating. Sufficient airflow around the compressor unit should be maintained to dissipate heat effectively. The compressor should be installed in a well-ventilated area, and any obstructions that could restrict airflow should be avoided. Inadequate ventilation can lead to increased operating temperatures, reduced compressor performance, and potential safety hazards. Manufacturers’ recommendations regarding ventilation requirements should be followed.

4. Preventing Injuries:

When working with oil-free compressors, certain precautions can help prevent injuries. It is important to wear appropriate personal protective equipment (PPE), such as safety glasses, hearing protection, and gloves, when operating or maintaining the compressor. Loose clothing, jewelry, or other items that could get caught in moving parts should be avoided. Compressed air should never be directed towards the body or other individuals, as it can cause serious injuries, such as cuts, bruises, or even pneumothorax. Proper training and clear instructions for safe operation should be provided to all personnel working with the compressor.

5. Maintenance and Inspection:

Regular maintenance and inspection of oil-free compressors are essential for safe operation. The compressor should be inspected for any signs of damage, leaks, or abnormal vibrations. Routine maintenance tasks, such as filter replacements, should be performed according to the manufacturer’s recommendations. Maintenance procedures should be carried out with the compressor turned off and isolated from the power source. Only authorized personnel with the necessary training and knowledge should perform maintenance tasks on the compressor to ensure proper safety protocols are followed.

6. Emergency Preparedness:

Being prepared for potential emergencies is crucial when using oil-free compressors. Emergency shutdown procedures should be established and clearly communicated to all personnel. Adequate fire suppression equipment, such as fire extinguishers, should be readily available and properly maintained. In the event of a compressor-related incident, personnel should be trained on emergency response protocols and evacuation procedures.

It is important to consult the manufacturer’s documentation and guidelines for specific safety considerations related to the oil-free compressor model being used. Additionally, adherence to relevant safety regulations and standards, as well as regular safety training and awareness programs, further contribute to maintaining a safe working environment when using oil-free compressors.

air compressor

Are Oil-Free Air Compressors Suitable for Food and Beverage Industries?

Yes, oil-free air compressors are highly suitable for the food and beverage industries and are widely used in various applications within these sectors. The clean and oil-free compressed air produced by these compressors is essential to maintain product quality, ensure food safety, and meet industry regulations. Here’s a detailed explanation of why oil-free air compressors are suitable for the food and beverage industries:

1. Preventing Contamination:

The primary advantage of oil-free air compressors in the food and beverage industries is the prevention of oil contamination. These industries have stringent hygiene and safety standards, and any contamination in the production process can compromise product quality and consumer health. Oil-free compressors eliminate the risk of oil particles entering the compressed air stream, ensuring that the compressed air used in various processes, such as packaging, filling, and bottling, is free from oil contamination.

2. Preserving Food Freshness:

Oil-free air compressors help maintain the freshness and quality of food products. In applications such as food packaging, where compressed air is used to create a protective atmosphere or seal packaging, the absence of oil eliminates the risk of oil residues affecting the taste, aroma, or shelf life of the packaged food. Oil-free compressors ensure that the compressed air used for these purposes is clean and does not introduce any unwanted flavors or odors.

3. Compliance with Food Safety Standards:

The food and beverage industries are subject to strict regulations and standards to ensure food safety. Oil-free air compressors help companies meet these requirements by providing clean, oil-free compressed air that adheres to food safety guidelines. Compressed air used in processes like air agitation, product drying, or pneumatic conveyance must be free from contaminants to prevent cross-contamination and maintain hygienic conditions throughout the production chain.

4. Minimizing Product Loss and Waste:

In the food and beverage industries, any product loss or waste can have significant financial and environmental implications. Oil contamination in compressed air can lead to product spoilage, resulting in costly product losses and waste. By using oil-free air compressors, the risk of product contamination is minimized, helping to reduce waste and improve overall production efficiency.

5. Ensuring Equipment Performance and Longevity:

Oil-free air compressors help protect sensitive food and beverage production equipment from oil-related issues. Oil contamination can damage pneumatic valves, seals, and other components, leading to equipment malfunction, unplanned downtime, and costly repairs. Oil-free compressors eliminate these risks, ensuring the longevity and reliable performance of the production equipment.

6. Meeting Industry-Specific Requirements:

The food and beverage industries have specific requirements for compressed air quality and purity. Oil-free air compressors are designed to meet these industry-specific requirements, often complying with standards such as ISO 8573-1 Class 0, which certifies the air as completely oil-free. This certification provides assurance that the compressed air meets the strictest quality standards and is suitable for critical applications in these industries.

By using oil-free air compressors, companies in the food and beverage industries can maintain the highest standards of product quality, hygiene, and safety. It is essential to select oil-free compressors specifically designed for these industries and follow proper maintenance protocols to ensure consistent performance and compliance with industry regulations.

China wholesaler 30-40bar 390-1500m3/Hr Pet Blowing Oil Free Air Compressor   air compressor priceChina wholesaler 30-40bar 390-1500m3/Hr Pet Blowing Oil Free Air Compressor   air compressor price
editor by CX 2024-02-21

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