China wholesaler Customized Reciprocating Piston Oil-Less/Oil-Free Natural Gas Compressor High Pressure Air Compressor, Special Gas Compressors Such as Hydrogen/Nitrogen/Bog. air compressor CHINAMFG freight

Product Description

HangZhou United Compressor Manufacturing Co., Ltd. was established in 2002 and is a high-tech enterprise in ZheJiang Province. The company has complete production equipment testing methods, and relies on its technological advantages to introduce, absorb, and digest new technologies and processes from abroad. The products have covered all domestic demand industries and regions, and are exported to multiple countries such as Russia, Tajikistan, India, Pakistan, North Korea, etc. It is a qualified supplier and partner for many domestic and foreign enterprises.
    The company has a sales and service team that continuously provides customers with various energy-saving and modern compressor system products. In the past 10 years, the company has maintained rapid and stable development, providing products and services for industries such as natural gas, steel, petroleum, chemical, coal, mining, and metallurgy. We not only have mature products, but also have a capable after-sales service team, such as conducting pre-sales inspections of compressors, timely tracking during sales, and 24-hour after-sales repair and maintenance services.

Product Application
Mainly used for pressurized transmission of natural gas into the pipeline network (Natural pipeline gas extraction and combustible gas recovery tank filling)
It can also be used for stirring in the pharmaceutical and brewing industries, pressurized gas transportation in the chemical industry, blow molding bottle making in the food industry, and dust removal of parts in the machine manufacturing industry.
Product Features
1. This series of compressors is an advanced piston compressor unit produced and manufactured using the product technology of Mannes Mandermarg Company in Germany.
2. The product has the characteristics of low noise, low vibration, compact structure, smooth operation, safety and reliability, and high automation level. It can also be configured with a data-driven remote display and control system according to customer requirements.
3. Equipped with alarm and shutdown functions for low oil pressure, low water pressure, high temperature, low inlet pressure, and high exhaust pressure of the compressor, making the operation of the compressor more reliable.
Structure Introduction
The unit consists of a compressor host, electric motor, coupling, flywheel, pipeline system, cooling system, electrical equipment, and auxiliary equipment.

Reference Technical parameters and specifications

NO. MODEL Compressed medium Flow rate
Nm³/h
Inlet pressure
MPa
Outlet pressure
MPa
Rotating speed
r/min
Motor power
KW
Cooling mode Overall dimension
mm
Weight
Kg
1 DW-14/(0-0.2)-25 Raw gas 800 0-0.02 2.5 740 160 Water cooled 4800*3200*1915 ~10000
2 VW-8/18 Vinylidene fluoride gas 418 Atmospheric pressure 1.8 980 75 Water cooled 3700*2000*1700 ~4500
3 VWD-3.2/(0-0.2)-40 Biogas 230 0-0.2 4.0 740 45 Water cooled 6000*2500*2650 ~8000
4 VW-9/6 Ethyl chloride gas 470 Atmospheric pressure 0.6 980 55 Water cooled 2800*1720*1700 ~3500
5 DWF-12.4/(9-12)-14 Carbon dioxide 6400 0.9-1.2 1.4 740 185 Air cooled 6000*2700*2200 ~10000
6 VWF-2.86/5-16 Nitrogen gas 895 0.5 1.6 740 55 Air cooled 3200*2200*1750 ~3500
7 DW-2.4/(18-25)-50 Raw gas 2900 1.8-2.5 5.0 980 160 Water cooled 4300*3000*1540 ~4500
8 VW-5.6/(0-6)-6 Isobutylene gas 1650 0-0.6 0.6 740 45 Water cooled 2900X1900X1600 ~3500
9 VW-3.8/3.5 Mixed gas 200 Atmospheric pressure 0.35 980 18.5 Water cooled 2200*1945*1600 ~2000
10 ZW-1.7/3.5 Vinyl chloride gas  100 Atmospheric pressure 0.35 740 15 Water cooled 2700X1600X2068 ~2000
11 ZWF-0.96/5 Hydrogen chloride gas 55 Atmospheric pressure 0.5 740 11 Air cooled 2000*1500*2000 ~1000
12 VW-0.85/(0-14)-40  Refrigerant gas 300 0-1.4 4.0 740 55 Water cooled 4500*2300*1780 ~5500
13 DW-3.78/(8-13)-(16-24) Ammonia gas 2700 0.8-1.3 1.6-2.4 740 75 Water cooled 3200*2000*1700 ~3500

Related products

 

 

Warranty: 12 Months
Lubrication Style: Customized
Cooling System: Air/Water /Mixed Cooling
Cylinder Arrangement: Balanced Opposed Arrangement
Cylinder Position: Customized
Structure Type: Open Type
Customization:
Available

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air compressor

What Are the Downsides of Using Oil-Free Air Compressors?

While oil-free air compressors offer numerous advantages, there are also some downsides to consider. Understanding these drawbacks is important when evaluating the suitability of oil-free compressors for specific applications. Here’s a detailed explanation of the downsides of using oil-free air compressors:

1. Higher Initial Cost:

Oil-free air compressors generally have a higher initial cost compared to oil-lubricated compressors. The design and technology used in oil-free compressors, such as specialized coatings, precision manufacturing, and advanced filtration systems, contribute to their higher price tag. This can be a significant factor for budget-conscious buyers or for applications where cost is a primary consideration. However, it’s important to weigh the initial cost against the long-term benefits and potential cost savings in terms of maintenance, energy efficiency, and reduced risk of oil contamination.

2. Reduced Durability:

Oil-free compressors may have slightly reduced durability compared to oil-lubricated compressors. The absence of oil for lubrication can result in increased wear on certain components, such as piston rings, valves, and bearings. However, modern advancements in materials and engineering have significantly improved the durability and lifespan of oil-free compressors. With proper maintenance and adherence to recommended operating conditions, oil-free compressors can still provide reliable performance over an extended period.

3. Higher Energy Consumption:

Oil-free air compressors typically have higher energy consumption compared to oil-lubricated compressors. The absence of oil for lubrication increases friction within the compressor, requiring more energy to overcome this resistance. However, advancements in compressor design, such as improved air ends, energy-efficient motors, and variable speed drives, have helped minimize this energy consumption gap. Additionally, the potential energy savings from eliminating the need for oil changes and reducing the risk of pressure drops due to oil contamination can offset the higher energy consumption over the compressor’s lifetime.

4. Limited Cooling Capacity:

Oil-free compressors may have limited cooling capacity compared to oil-lubricated compressors. Oil acts as a lubricant and coolant in oil-lubricated compressors, effectively dissipating heat generated during compression. In contrast, oil-free compressors rely on other cooling mechanisms, such as air or water cooling, which may have limitations in handling high heat loads. This can be a consideration for applications that require continuous or high-duty cycle operation in elevated ambient temperatures. Adequate cooling systems and proper monitoring of temperature limits are necessary to prevent overheating and ensure optimal performance of oil-free compressors.

5. Noisy Operation:

Oil-free air compressors are generally noisier compared to oil-lubricated compressors. The absence of lubricating oil can result in increased noise levels due to direct metal-to-metal contact between rotating and reciprocating parts. However, advancements in noise reduction technologies and sound insulation materials have helped mitigate this issue to some extent. Additionally, the noise level can vary between different models and brands of oil-free compressors, so it’s important to consider the specific noise requirements of the application and select a compressor that meets those criteria.

Despite these downsides, oil-free air compressors have become increasingly popular and widely used in various industries due to their advantages in providing clean, oil-free compressed air. It’s important to assess the specific requirements of the application, consider the trade-offs, and consult with compressed air experts to determine whether an oil-free compressor is the most suitable choice.

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

What Is an Oil-Free Air Compressor?

An oil-free air compressor, also known as an oilless air compressor, is a type of air compressor that operates without the use of lubricating oil in the compression chamber. Unlike traditional air compressors that rely on oil for lubrication and sealing, oil-free compressors employ alternative methods to achieve compression and deliver clean, oil-free compressed air. Here’s a detailed explanation of how oil-free air compressors work and their key characteristics:

Working Principle:

Oil-free air compressors utilize various techniques to compress air without the need for oil. The most common methods include:

  • Dry Compression: In this method, the compression chamber doesn’t have any oil present. Special materials, coatings, and surface treatments are used to reduce friction and wear between the moving parts, allowing for efficient compression without oil lubrication.
  • Water or Air Cooling: Oil-free compressors often employ advanced cooling mechanisms, such as water or air cooling, to dissipate the heat generated during compression. This helps to maintain the operating temperature within acceptable limits and ensures the longevity of the compressor.
  • Piston Rings and Seals: Instead of relying on oil for lubrication and sealing, oil-free compressors use specialized piston rings, seals, or other forms of dry frictionless technology. These components provide the necessary sealing and reduce internal friction, allowing for efficient compression without the need for oil.

Characteristics of Oil-Free Air Compressors:

1. Clean and Oil-Free Air: The primary advantage of oil-free air compressors is that they deliver air that is free from oil contamination. This makes them suitable for applications where oil contamination can be detrimental, such as in the medical, pharmaceutical, food and beverage, electronics, and automotive industries.

2. Low Maintenance: Oil-free compressors typically require less maintenance compared to oil-lubricated compressors. Since there is no oil to change or monitor, maintenance tasks related to oil filtration, oil changes, and oil disposal are eliminated. This can result in cost savings and reduced downtime.

3. Compact and Lightweight: Oil-free compressors are often designed to be compact and lightweight, making them portable and easy to transport. This makes them suitable for applications where mobility is required, such as construction sites, workshops, and on-site maintenance tasks.

4. No Oil Contamination Risk: With oil-free compressors, there is no risk of oil contaminating the compressed air system. This eliminates the need for additional filtration or separation equipment to remove oil from the compressed air, simplifying the overall system design.

5. Lower Initial Cost: In general, oil-free compressors tend to have a lower initial cost compared to oil-lubricated compressors. This can be advantageous for applications with budget constraints or when the specific requirements of the application align with the capabilities of oil-free compressors.

It’s important to note that oil-free air compressors may have certain limitations compared to oil-lubricated compressors. They may have lower maximum operating pressures and higher operating temperatures. Additionally, the absence of oil lubrication may result in slightly reduced efficiency and increased wear on certain components over time.

By understanding the working principle and characteristics of oil-free air compressors, users can determine whether this type of compressor is suitable for their specific application and requirements.

China wholesaler Customized Reciprocating Piston Oil-Less/Oil-Free Natural Gas Compressor High Pressure Air Compressor, Special Gas Compressors Such as Hydrogen/Nitrogen/Bog.   air compressor CHINAMFG freightChina wholesaler Customized Reciprocating Piston Oil-Less/Oil-Free Natural Gas Compressor High Pressure Air Compressor, Special Gas Compressors Such as Hydrogen/Nitrogen/Bog.   air compressor CHINAMFG freight
editor by CX 2023-11-28

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