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China manufacturer 90kw Air Cooling Mute High Efficiency Oil Free Dry Twin Screw Industrial Two Stage Air Compressor with Good quality

Product Description

       

   Specification
  Model Capacitiy (FAD)M3/min Power kw Noise level db Weight KG
7bar 8.5bar 10bar Water Cooling Air Cooling
OFA1 OFA15 2.4 2.1 1.8 15 74   1,030
OFA22 3.7 3.2 2.7 22 74   1,070
OFA30 4.8 4.4 4.0 30 74   1,300
OFA37 5.9 5.3 5.0 37 74   1,355
OFA45 7.0 6.5 6.1 45 74   1,390
OFA2 OFA55 9.2 7.9 7.3 55 74   1,860
OFA75 12.2 11.2 10.7 75 74   1,935
OFA90 14.7 13.5 12.7 90 74   2,000
OFA3 OFA110 19.3 17.2 16.0 110 74   3,660
OFA132 22.9 19.5 18.8 132 74   3,700
OFA4 OFA160 29.4 25.7 23.8 160 74   5,300
OFA200 36.6 33.1 30.4 200 74   5,380
OFA250 44.5 41.0 37.4 250 74   5,450
OFA275 47.4 43.0 41.0 275 74   5,500
OFA5 OFA315 51.5 47.6 46.0 315 74   6,000
OFA355 56.3 52.6 50.4 355 74   9,050
OFW1 OFW37 5.9 5.3 5.0 37 74 1,355  
OFW45 7.0 6.5 6.1 45 74 1,450  
OFW2 OFW55 8.8 7.9 7.3 55 74 1,800  
OFW75 11.9 11.2 10.7 75 74 1,850  
OFW90 14.3 13.5 12.7 90 74 1,925  
OFW3 OFW110 19.1 17.1 16.0 110 74 2,635  
OFW132 21.9 19.6 18.9 132 74 2,760  
OFW4 OFW160 28.3 26.1 24.2 160 74 3,850  
OFW200 36.1 33.1 30.4 200 74 4,000  
OFW250 43.1 41.0 37.0 250 74 4,100  
OFW275 46.4 43.0 41.0 275 74 4,300  
OFW5 OFW315 50.9 47.6 46.0 315 74 6,550  
OFW355 56.3 52.6 50.4 355 74 6,950  
OFW400 62.1 57.8 55.8 400 74 7,050  
OFW450 76.5 71.5 63.8 450 74 8,400  
OFW500 83.9 78.3 73.1 500 74 8,400  
OFW630 102.9 95.7 89.0 630 74 9,125  
OFW750 122.8 109.6 101.8 750 74 9,225  

Company Profile

       ZheJiang Napu compressor Technology Co.,LTD was established in 2012  based in ZheJiang ,specializing in oil-free rotary screw air compressors, offering a wide range of products from airends to compressors . 
       With over 10 years experience in oil free screw air compressor. NAPU Compressor is compliant with ISO 8573-1, Class 0 standard and audited by TUV Rheinland and China National Quality Inspection Center of Compressor and Refrigerator.   
        The company is also compliant with ISO 9001:14001 and is CHINAMFG in the domestic market for its quality-driven culture. The oil-free compressors manufactured by the company are used in a variety of sectors including some of our valued clients like CASC-China Aerospace Science Corporation, NORINCO-China North Industries Group, CNNC-China National Nuclear Group, CHANG AN AUTO, SINOPHARM, BYD and CALT and Sino-Chemical etc.
         Continuous improvement in productivity and efficiency is our goal, and we continue to offer an extensive services including our own branded oil-free compressor package as well as after-sales services for other leading brands.

 

Product Features

1. In house designed airend
2. 100% oil free air certified by Germany TUV.
3. Double-layer structure to reduce he noise.
4. Air Cooling and Water cooling are available.
5. VSD control are available.
6.Touch Screen PLC with preset running schedule, more intelligent control.
7.OEM&ODM service are accepted

 

FAQ

Q1. Are you trading company or manufacture ?
A: We are professional manufacture of oil free air compressors. More than 20 years of experience in air compressor manufacturing.
 
Q2. What’s payment term ?
A: T/T, Western Union, Paypal, Credit Card, and etc. Also we could accept USD, RMB, Euro and other currency.
 
Q3. How about your after-sales service ?
A: 1.We can provide customers with installation and commissioning online instructions.
   
Q4. How about your warranty?
A: One year for the whole machine and 5 years for screw air end, except consumable spare parts.
 
Q5. Do you have any certificate ?
A: Yes, we can offer CE ,ISO  and certificate as clients’ demande.
 
 
Q6. How do you control quality ?
A: 1. The raw materials are strictly inspected
    2. Each compressor must pass at least 8 hours of continuous testing before leaving the factory.
  
Q7.How long could your air compressor be used?
A: Usually, more than over 10 years.

After-sales Service: Online Support
Warranty: 12 Months
Lubrication Style: Oil-free
Cooling System: Air Cooling
Power Source: AC Power
Cylinder Position: Horizontal
Customization:
Available

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air compressor

Are There Specific Filtration Requirements for Oil-Free Compressors?

Yes, oil-free compressors have specific filtration requirements to ensure the quality and purity of the compressed air output. These filtration requirements are designed to address the unique characteristics of oil-free compressors and the potential contaminants that can be present in the intake air. Here’s a detailed explanation of the specific filtration requirements for oil-free compressors:

1. Pre-Filtration:

Pre-filtration is the first stage of filtration in oil-free compressors and is designed to remove larger particles, such as dust, dirt, and debris, from the intake air. These particles can enter the compressor and cause damage to internal components or affect the performance of downstream filtration stages. Pre-filters typically consist of pleated or mesh filters that capture particles of various sizes. The efficiency of pre-filters is usually specified in terms of their particle size removal capability, such as 5 microns or 10 microns.

2. Coalescing Filtration:

The coalescing filtration stage in oil-free compressors is responsible for removing smaller particles and coalescing water vapor into droplets for subsequent removal. This stage is crucial in ensuring that the compressed air remains free from fine particles and moisture, which can cause contamination and corrosion issues. Coalescing filters are designed with special media that capture and combine small particles and water droplets, allowing them to be easily separated from the compressed air. The efficiency of coalescing filters is typically specified in terms of their particulate removal capability and moisture removal efficiency, such as 0.01 microns and 99.9% respectively.

3. Activated Carbon Filtration:

Activated carbon filtration is often employed as a final stage in the filtration process of oil-free compressors. Activated carbon filters help eliminate odors and absorb any remaining oil vapors or hydrocarbons that might have bypassed the previous filtration stages. These filters contain activated carbon granules with a high surface area, allowing them to adsorb and trap odor-causing compounds and trace amounts of oil vapor. The efficiency of activated carbon filters is typically specified based on their odor removal capacity and oil vapor adsorption capacity.

It’s important to note that the specific filtration requirements for oil-free compressors may vary depending on the application and the desired air quality standards. Industries such as food and beverage, pharmaceuticals, electronics manufacturing, and painting often have more stringent filtration requirements to meet their specific air purity needs. In such cases, additional filtration stages, such as sterile filters or high-efficiency particulate air (HEPA) filters, may be incorporated to achieve the desired level of air quality.

Complying with industry standards and guidelines, such as ISO 8573, can provide guidance on the appropriate filtration requirements for oil-free compressors. These standards define specific limits for contaminants in compressed air, including oil content, particulate matter, and moisture, and can help determine the necessary filtration stages and their efficiency ratings.

By implementing the appropriate filtration requirements, oil-free compressors can ensure that the compressed air produced is clean, dry, and free from contaminants, meeting the specific air quality needs of various applications.

air compressor

Can Oil-Free Air Compressors Be Used in Cold Climates?

Yes, oil-free air compressors can be used in cold climates. Here’s a detailed explanation of the considerations and adaptations that may be necessary when using oil-free compressors in cold weather:

1. Cold-Start Capability:

Oil-free compressors should be designed and equipped with features that enable them to start and operate reliably in cold temperatures. This includes components such as low-temperature lubricants, preheating systems, and specialized insulation to prevent freezing or damage to critical parts.

2. Compressed Air Drying:

In cold climates, the moisture content in the compressed air can condense and freeze, leading to operational issues and potential damage to the compressed air system. It is crucial to incorporate proper compressed air drying equipment, such as refrigerated dryers or desiccant dryers, to remove moisture from the compressed air and prevent freezing within the system. This ensures the production of dry and reliable compressed air even in cold weather conditions.

3. Freeze Protection:

Special attention should be given to protecting the compressor and associated components from freezing. This may involve insulation, heat tracing, or the use of frost protection heaters in critical areas susceptible to freezing, such as air intakes, valves, filters, and condensate drains. Adequate insulation can help maintain optimal operating temperatures and prevent freezing-related issues.

4. Cold Weather Lubricants:

In extremely cold climates, it is essential to use specific lubricants that are designed to perform effectively at low temperatures. These lubricants should have low pour points and be capable of providing sufficient lubrication and protection to the compressor’s moving parts even in cold environments. Using the appropriate lubricants ensures reliable operation and prevents damage to the compressor during cold starts and operation.

5. Preventive Maintenance:

Regular preventive maintenance is crucial when using oil-free compressors in cold climates. It is essential to follow the manufacturer’s recommendations for maintenance tasks such as filter replacements, lubricant changes (if applicable), and inspection of critical components. Cold weather conditions can exacerbate wear and tear on equipment, so proper maintenance helps identify and address potential issues before they lead to operational problems.

6. Monitoring and Control:

Implementing advanced monitoring and control systems can provide real-time information about the compressor’s performance in cold climates. Monitoring parameters such as temperature, pressure, and system efficiency can help identify any deviations or potential issues caused by low temperatures. Additionally, control systems can optimize compressor operation and adjust parameters to ensure efficient performance in cold weather conditions.

It’s important to consult the manufacturer’s specifications and guidelines for the specific oil-free compressor model being used, as they may provide additional recommendations or requirements for operating the compressor in cold climates. Adhering to these guidelines and implementing appropriate adaptations will help ensure the reliable and efficient performance of oil-free air compressors in cold weather environments.

air compressor

How Do Oil-Free Air Compressors Compare to Oil-Lubricated Ones?

When comparing oil-free air compressors to oil-lubricated ones, several factors come into play, including performance, maintenance requirements, air quality, and application suitability. Here’s a detailed comparison between oil-free air compressors and oil-lubricated ones:

1. Oil Contamination:

Oil-lubricated compressors require oil for lubrication and cooling of internal components. However, there is a risk of oil carryover, where small amounts of oil can mix with the compressed air. This oil contamination can have adverse effects on downstream equipment, processes, and end products. In contrast, oil-free air compressors eliminate the risk of oil contamination as they operate without lubricating oil. This makes them suitable for applications that require clean and oil-free compressed air, such as in the food and beverage, pharmaceutical, and electronics industries.

2. Compressed Air Quality:

Oil-lubricated compressors may introduce oil aerosols, vapors, or particles into the compressed air stream. While filters and separators can help mitigate oil contamination, achieving completely oil-free compressed air may be challenging. In contrast, oil-free air compressors deliver clean and dry compressed air without any oil content. They are designed to meet strict air quality standards, such as ISO 8573-1 Class 0, ensuring the highest level of air purity. This makes them ideal for applications where air quality is critical, such as in pharmaceutical manufacturing, research laboratories, and electronics assembly.

3. Maintenance Requirements:

Oil-lubricated compressors require regular maintenance to ensure proper lubrication, filter replacement, and oil changes. The presence of oil also necessitates careful monitoring of oil levels and potential leaks. Maintenance tasks can be more involved and time-consuming compared to oil-free compressors. On the other hand, oil-free air compressors generally have lower maintenance requirements since they don’t require oil changes or oil-related maintenance. However, regular maintenance tasks such as filter replacements and general system checks are still necessary to maintain optimal performance and reliability.

4. Initial Cost and Energy Efficiency:

Oil-lubricated compressors typically have a lower initial cost compared to oil-free compressors. However, oil-free compressors can offer long-term cost savings due to reduced maintenance requirements and lower energy consumption. Oil-lubricated compressors use oil for lubrication, which adds to the energy consumption as the compressor needs to overcome the friction generated by the oil. In contrast, oil-free compressors eliminate the need for oil, resulting in higher energy efficiency and potential energy savings over the compressor’s lifespan.

5. Application Suitability:

The choice between oil-free and oil-lubricated compressors depends on the specific application requirements. Oil-lubricated compressors are often suitable for general industrial applications where compressed air quality is not critical, and oil carryover is acceptable. They are commonly used in manufacturing, construction, and automotive industries. On the other hand, oil-free compressors are essential for applications that demand clean and oil-free compressed air, such as in food processing, pharmaceutical production, electronics manufacturing, and critical research environments.

It’s important to consider the specific needs of the application, industry regulations, and the desired level of compressed air purity when choosing between oil-free and oil-lubricated compressors. Consulting with compressed air experts and considering factors such as air quality requirements, maintenance costs, and long-term energy efficiency can help determine the most suitable compressor type for a particular application.

China manufacturer 90kw Air Cooling Mute High Efficiency Oil Free Dry Twin Screw Industrial Two Stage Air Compressor   with Good qualityChina manufacturer 90kw Air Cooling Mute High Efficiency Oil Free Dry Twin Screw Industrial Two Stage Air Compressor   with Good quality
editor by CX 2023-11-02

China best Twin Tank Compressor, 1.5HP, 8L Compact Oil Free Silent Air Compressor with high quality

Item Description

Detailed Pictures

Merchandise Parameters

Product showcased:
one. Integrated controller panel
2. little weight  for easy carry
3. Strong rubber feet for stable running
4. 2 pole industrial motor with 2Xlonger lifestyle time
5. Oilless silent pump
6. Total roll cage for greater security
7. Professional class with higher stress

Certifications

Business Profile

HangZhou AXIHU (WEST LAKE) DIS. Mechanical and Electrical Industry Co., Ltd Established in 2009, we are a compressor manufacture and specialised in silent air compressor over twelve several years. Our firm has handed ISO9001 good quality administration technique certification and has Chinese air compressor skilled manufacturing license. “AXIHU (WEST LAKE) DIS.” is our registered trademark.
AXIHU (WEST LAKE) DIS. firm  has accomplished components facilities, normal CZPT screening gear, and normal manufacturing and top quality control Techniques. It has created more than 1 hundred sorts of models with superior compressor professional engineers and professionals. In addition of the item certification of CE. ETL. SGS, it also has the ability to create products and marketplace independently, which can fulfill the needs of distinct calls for of buyers. There are a huge quantity of goods have been marketed to Japan, the United States, Australia, Europe, South The usa and southeast Asia.
HangZhou AXIHU (WEST LAKE) DIS. company will have the international marketplace in view and adhere to the idea of producing top quality items, carrying through the very first-class service and creating the very best status. We are sincerely searching ahead to cooperation with all close friends home and abroad, and create the marketplace to develop a CZPT situation.

Our Benefits

FAQ

Q1: Are you the company or investing business?
A1: We are the manufacturer.

Q2: In which is your manufacturing unit?
A2: It is very close to ZheJiang , situated in HangZhou City, ZheJiang  Province, China.

Q3: What is actually the conditions of trade?
A3: FOB,CFR and CIF are all appropriate.

This autumn: What’s the conditions of payment?
A4: T/T, L/C or cash.

Q5: How long is your shipping time?
A5: Generally it is 30-50 days if the merchandise are not in inventory, it is according to quantity.

Q6: What is the benefit about your company?
A6: Our company has professional staff and specialist creation line.

Q7: If we travel to China to examining your facility, are you welcome?
A7: Of program, why not? We will supply the complete accompany from you landing in China. Only Give us a call before your arrive. We will select up you from the airport. Warm Welcome!

Q8: How Many Years of your firm functioning in this industry?
A8: We have 12-yr expertise in this field.
 

Choosing the Proper Air Compressor For Your Property

You will find that air compressors are indispensable resources for a range of circumstances, such as garages, house workshops, and basements. These equipment can electricity a assortment of instruments, and every single design is sized to fit the occupation at hand. Due to the fact air compressors have only one particular motor, they are lightweight, compact, and straightforward to deal with. Using 1 air compressor to power many instruments will also decrease the wear and tear on person elements. This report will introduce some essential traits to search for when choosing the right air compressor for your house.

Constructive displacement

A optimistic displacement compressor applies force to a fluid, whilst a centrifugal one does the opposite. A optimistic displacement compressor produces the desired pressure by trapping air and escalating its volume. Its discharge valve releases the large-pressure gasoline. These compressors are used in industrial apps and nuclear power plants. The variation in between a constructive and adverse displacement compressor is that a good displacement compressor can compress and release air at a constant charge.
A constructive displacement air compressor utilizes a reciprocating piston to compress air. This lowers the quantity of the air in the compression chamber, and a discharge valve opens when the pressure reaches the sought after level. These compressors are utilized in bicycle pumps and other pneumatic instruments. Good displacement air compressors have numerous inlet ports and have several configurations. Good displacement air compressors have a single-acting and double-performing piston, and can be oil-lubricated or oil-totally free.
A optimistic displacement air compressor is different from a dynamic compressor. It attracts air into the compression chambers and then releases the force when the valve is opened. Constructive displacement compressors are typical in industrial apps and are accessible in single-performing, double-acting, and oil-lubricated versions. Large piston compressors have ventilated intermediate pieces and crossheads on gudgeon pins. Scaled-down types have forever sealed crankcases with bearings.
air-compressor

Oil-totally free

Oil-free of charge air compressors have some benefits in excess of their oil-lubricated counterparts. They do not call for lubrication oil since they are coated with Teflon. The material has 1 of the most affordable coefficients of friction and is layered, so it slides previous other layers with tiny work. Because of this, oil-totally free compressors have a tendency to be more affordable and still provide similar overall performance. Oil-totally free compressors are a excellent choice for industrial purposes.
The lifestyle of an oil-totally free air compressor is significantly lengthier than an oil-lubricated counterpart. These designs can function up to 2,000 several hours, four times more time than the average oil-lubed compressor. Oil-free compressors also have a considerably reduced working noise than their oil-lubricated counterparts. And since they will not need oil alterations, they are quieter. Some even last up to 2,000 several hours.
An oil-free of charge air compressor is a good decision if your application demands substantial stages of purity. Numerous purposes require ultra-pure air, and even a drop of oil can result in item spoilage or injury to generation equipment. In addition to the wellness pitfalls, an oil-free air compressor decreases the fees associated with oil contamination and minimizes leaks. It also removes the require for oil assortment, disposal, and treatment method.
A typical oil-totally free air compressor is extremely effective, requiring only about 18% of the complete load horsepower. However, oil-totally free compressors have a larger danger of premature failure and are not advised for big-scale industrial programs. They may also use up to 18% of the compressor’s complete capacity. They may seem attractive, but you have to make sure you understand the positive aspects of an oil-free of charge air compressor just before selecting a single for your industrial applications.

One-phase

A one-phase air compressor is designed to offer the electrical power for a single pneumatic resource or device. These equipment are generally smaller sized than two-stage compressors and generate considerably less heat and power. These machines aren’t developed for weighty-responsibility industries, but they are nonetheless very powerful for a assortment of purposes, like auto retailers, gasoline stations, and different producing vegetation. They can also be utilized in borewells, as they are suited for modest areas with minimal air circulation needs.
A single-phase air compressor has one particular cylinder and two valves – the inlet and the supply valves. Equally of these valves purpose mechanically, with the inlet valve managing torque and the delivery 1 controlling air pressure. Normally, solitary-phase compressors are driven by a gasoline motor, but there are also electric designs available. The solitary-phase air compressor is the most common type of air compressor. It has a solitary cylinder, one particular piston, and 1 air cylinder.
The single-phase air compressors are employed for little tasks or personalized use. A two-phase air compressor is much more successful for industrial projects. Its for a longer time air stop lifestyle makes it much more effective. It is also more productive for use in the automotive business, where the engine has a lot of cylinders. In standard, solitary-phase compressors require a greater power level. The solitary-stage design is best for small tasks, whilst a two-stage one is suitable for bigger-scale arsenals.
air-compressor

CFM

The cubic foot-for each-moment (CFM) of an air compressor is the output of the machine. In get to compute the CFM stage, commence by searching at the compressor’s specs. You must know how many cubic ft the device can keep and how a lot of kilos for each sq. inch it can compress. After you have these information, you can determine the CFM. Now you can use these figures to pick an proper air compressor for your demands.
The most widespread way to enhance the CFM of an air compressor is to change the regulator down. By turning the dial down, the air compressor will generate more than ten CFM. You can also try out connecting two output valves. Make sure that the options are altered effectively prior to you get started. This will ensure that your air compressor is operating at its highest performance and lifespan. To increase the CFM of your air compressor, first verify that your regulator is calibrated for the desired strain amount.
To compute the CFM of an air compressor, 1st determine the tank volume of the machine. Then, multiply this volume by the time it takes to fill the tank. Then, divide the consequence by 60 seconds to determine the CFM. After you know how significantly air your equipment can maintain, you can choose a ideal air compressor. If you might be working in a confined spot, you need to purchase a instrument with a huge tank.

PSI

The PSI of an air compressor is the force that it can output. A standard air compressor has a gauge related to the airline at the bottom, up coming to it, or between the two. The gauge tells the actual strain of the air compressor, while the minimize-out pressure is identified by the manufacturer. The manufacturer recommends that you set the reduce-out strain twenty to forty PSI higher than the manufacturing facility advised pressure. If you want to established the stress for your nail gun, you can use the reduce-in and minimize-out pressures on your compressor, and the tank will not exceed this assortment.
The PSI of an air compressor measures the drive that it can deliver, which is often in lbs . per square inch. For most air instruments, you require at the very least forty to ninety psi. In common, reciprocating air compressors work on an on/off basis. This partnership is acknowledged as the duty cycle. All air compressors are rated for a specific duty cycle, this kind of as fifty per cent on and twenty-5 p.c off.
The Psig of an air compressor is not totally free, as several individuals imagine. The PSI of an air compressor is not cost-free, but it is essential to preserve it for secure operations. If you are possessing trouble preserving a constant stress, consider turning down the PSI of your compressor by 2 psig. This will figure out the critical pressure for the machine. You are going to also improve the amount of vitality in the technique by one particular percent.
air-compressor

Energy resource

The power resource for an air compressor is crucial in its procedure. Without the proper voltage and amperage, air compressors will not operate properly. The electrical power resource should be shut to the compressor so that it can plug into an electrical outlet. If it is also significantly from the outlet, the compressor may not be ready to develop ample force. When this transpires, the fuse within the air compressor will switch off to shield the person. The electrical power source must be a secure length from the compressor.
Most manufacturers do not specify the power resource for an air compressor. Depending on the horsepower, the compressor will call for roughly 4 amps of power. A 1-horsepower compressor would attract about twelve amps. If it have been run by a standard 120-volt family source, its motor would exceed the 15-amp breaker potential. A greater air compressor, nonetheless, will demand a separate fifteen-amp power supply, making it extremely hard to use it with this kind of energy supply.
The energy resource for an air compressor is generally electrical alternating current (AC) that is equal to the voltage on a regular wall outlet. A three-period air compressor, on the other hand, requires a particular AC provide with a few electrical offset pulses. Irrespective of the type of air compressor, the energy source should be appropriate with the incoming electricity support. One of the most frequent troubles when attempting to join an air compressor to an AC power supply is undersized wire. This results in minimal voltage and higher amperes, tripping of in excess of-load relays and blown fuses.

China best Twin Tank Compressor, 1.5HP, 8L Compact Oil Cost-free Silent Air Compressor     with high high qualityChina best Twin Tank Compressor, 1.5HP, 8L Compact Oil Cost-free Silent Air Compressor     with substantial high quality