Tag Archives: repair air compressor

China Best Sales Powerful Motivation 24bar Screw Air Compressor for Night Operation air compressor repair near me

Product Description

Product Description

Introduction

This unit is a two-stage compression oil-injected twin-screw compressor driven by a diesel engine and air-cooled, which can be easily moved according to work needs.

This unit is powered by a CHINAMFG brand CHINAMFG engine and the compressor head is specially customized, so the unit has good power, economy and reliability. The maximum working altitude of the unit can reach 2000 meters, and it can work continuously at full load under the temperature environment of -20ºC~+45ºC.

This unit has reasonable layout, complete functions, simple operation and maintenance, and beautiful appearance. The unit adopts a fully enclosed and silent design to make it have lower noise. The dual-pressure unit is equipped with a high and low pressure selector switch on the dashboard, which can provide 2 different working pressures at any time. All the display instruments on the dashboard have night vision function, which is convenient for night operation.

 

Product Parameters

Main Machine HF29-24  
Air flow (m³/min) 29
Working pressure (bar) 24
Exhaust oil content (PPM) £5 
Exhaust temperature (ºC) 100ºC
Compressor oil volume (L) 100
Air tank volume (L) 160
Compression series 2
Drive mod Coupling drive
Cooling mode Air cooling
Noise ( dB ) 80±5
Dimension (L×W×H) (mm) 3950×2000×2300
Weight (kg) 4700
Air supply valve specification × quantity G1 1/2″,G2 1/2 “
Diesel engine Yuchai
Engine model YC6MK400-H300
Full load working speed  (RPM) 1850
Output power at rated speed ( Kw) 295 kw
Coolant capacity ( kg ) 76
Lubricating oil capacity ( L ) 30
Cylinder number 6
Fuel tank volume ( L ) 420

Working Site

Company Profile

FAQ

1.Are you trading company or manufacturer?
We are professional manufacturer, and our factory mainly produce water well drilling rig, core drilling rig, DTH drilling rig, piling rig, etc. Our products have been exported to more than 50 countries of Asia, South America, Africa, and get a good reputation in the world.

2. Are your products qualified?
Yes, our products all have gained ISO certificate,and we have specialized quality inspection department for checking every machine before leaving our factory.

3.How about your machine quality?
All of our machines hold the ISO, QC and TUV certificate, and each set of machine must pass a great number of strict testing in order to offer the best quality to our customers.

4. Do you have after service?
Yes, we have special service team which will offer you professional guidance. If you need, we can send our engineer to your worksite and provid the training for your staff.

5. What about the qaulity warranty?
We offer one-year quality warranty for machines’ main body.

6. How long can you deliver the machine?
Generally, we can deliver the machine in 7 days.

After-sales Service: Online Support, Field Maintenance
Warranty: 1 Year
Lubrication Style: Lubricated
Cooling System: Air Cooling
Power Source: Diesel Engine
Cylinder Position: Horizontal
Samples:
US$ 35000/Set
1 Set(Min.Order)

|
Request Sample

air compressor

What are the advantages of using rotary vane compressors?

Rotary vane compressors offer several advantages that make them a popular choice for various applications. These compressors are widely used in industries where a reliable and efficient source of compressed air is required. Here are the advantages of using rotary vane compressors:

1. Compact and Lightweight:

Rotary vane compressors are typically compact and lightweight compared to other types of compressors. Their compact design makes them suitable for installations where space is limited, such as in small workshops or mobile applications. The lightweight nature of these compressors allows for easy transportation and maneuverability.

2. High Efficiency:

Rotary vane compressors are known for their high efficiency. The design of the vanes and the compression chamber allows for smooth and continuous compression, resulting in minimal energy losses. This efficiency translates into lower energy consumption and reduced operating costs over time.

3. Quiet Operation:

Rotary vane compressors operate with relatively low noise levels. The design of the compressor, including the use of vibration damping materials and sound insulation, helps to minimize noise and vibrations during operation. This makes rotary vane compressors suitable for applications where noise reduction is important, such as in indoor environments or noise-sensitive areas.

4. Oil Lubrication:

Many rotary vane compressors utilize oil lubrication, which provides several benefits. The oil lubrication helps to reduce wear and friction between the moving parts, resulting in extended compressor life and improved reliability. It also contributes to better sealing and improved efficiency by minimizing internal leakage.

5. Versatile Applications:

Rotary vane compressors are versatile and can be used in a wide range of applications. They are suitable for both industrial and commercial applications, including automotive workshops, small manufacturing facilities, dental offices, laboratories, and more. They can handle various compressed air requirements, from light-duty tasks to more demanding applications.

6. Easy Maintenance:

Maintenance of rotary vane compressors is relatively straightforward. Routine maintenance tasks typically include oil changes, filter replacements, and periodic inspection of vanes and seals. The simplicity of the design and the availability of replacement parts make maintenance and repairs easier and more cost-effective.

These advantages make rotary vane compressors an attractive choice for many applications, providing reliable and efficient compressed air solutions.

air compressor

How are air compressors used in refrigeration and HVAC systems?

Air compressors play a vital role in refrigeration and HVAC (Heating, Ventilation, and Air Conditioning) systems, providing the necessary compression of refrigerant gases and facilitating the heat transfer process. Here are the key ways in which air compressors are used in refrigeration and HVAC systems:

1. Refrigerant Compression:

In refrigeration systems, air compressors are used to compress the refrigerant gas, raising its pressure and temperature. This compressed gas then moves through the system, where it undergoes phase changes and heat exchange to enable cooling or heating. The compressor is the heart of the refrigeration cycle, as it pressurizes and circulates the refrigerant.

2. Refrigeration Cycle:

The compression of refrigerant gas by the air compressor is an essential step in the refrigeration cycle. After compression, the high-pressure, high-temperature gas flows to the condenser, where it releases heat and condenses into a liquid. The liquid refrigerant then passes through an expansion valve or device, which reduces its pressure and temperature. This low-pressure, low-temperature refrigerant then enters the evaporator, absorbing heat from the surrounding environment and evaporating back into a gas. The cycle continues as the gas returns to the compressor for re-compression.

3. HVAC Cooling and Heating:

In HVAC systems, air compressors are used to facilitate cooling and heating processes. The compressor compresses the refrigerant gas, which allows it to absorb heat from the indoor environment in the cooling mode. The compressed gas releases heat in the outdoor condenser unit and then circulates back to the compressor to repeat the cycle. In the heating mode, the compressor reverses the refrigeration cycle, absorbing heat from the outdoor air or ground source and transferring it indoors.

4. Air Conditioning:

Air compressors are an integral part of air conditioning systems, which are a subset of HVAC systems. Compressed refrigerant gases are used to cool and dehumidify the air in residential, commercial, and industrial buildings. The compressor pressurizes the refrigerant, initiating the cooling cycle that removes heat from the indoor air and releases it outside.

5. Compressor Types:

Refrigeration and HVAC systems utilize different types of air compressors. Reciprocating compressors, rotary screw compressors, and scroll compressors are commonly used in these applications. The selection of the compressor type depends on factors such as system size, capacity requirements, efficiency, and application-specific considerations.

6. Energy Efficiency:

Efficient operation of air compressors is crucial for refrigeration and HVAC systems. Energy-efficient compressors help minimize power consumption and reduce operating costs. Additionally, proper compressor sizing and system design contribute to the overall energy efficiency of refrigeration and HVAC systems.

By effectively compressing refrigerant gases and facilitating the heat transfer process, air compressors enable the cooling and heating functions in refrigeration and HVAC systems, ensuring comfortable indoor environments and efficient temperature control.

air compressor

Are there air compressors specifically designed for high-pressure applications?

Yes, there are air compressors specifically designed for high-pressure applications. These compressors are engineered to generate and deliver compressed air at significantly higher pressures than standard air compressors. Here are some key points about high-pressure air compressors:

1. Pressure Range: High-pressure air compressors are capable of producing compressed air at pressures typically ranging from 1000 to 5000 psi (pounds per square inch) or even higher. This is considerably higher than the typical range of 100 to 175 psi for standard air compressors.

2. Construction: High-pressure aircompressors feature robust construction and specialized components to withstand the higher pressures involved. They are designed with reinforced cylinders, pistons, valves, and seals that can handle the increased stress and prevent leaks or failures under high-pressure conditions.

3. Power: Generating high-pressure compressed air requires more power than standard compressors. High-pressure air compressors often have larger motors or engines to provide the necessary power to achieve the desired pressure levels.

4. Applications: High-pressure air compressors are utilized in various industries and applications where compressed air at elevated pressures is required. Some common applications include:

  • Industrial manufacturing processes that involve high-pressure air for operations such as air tools, pneumatic machinery, and equipment.
  • Gas and oil exploration and production, where high-pressure air is used for well drilling, well stimulation, and enhanced oil recovery techniques.
  • Scuba diving and underwater operations, where high-pressure air is used for breathing apparatus and underwater tools.
  • Aerospace and aviation industries, where high-pressure air is used for aircraft systems, testing, and pressurization.
  • Fire services and firefighting, where high-pressure air compressors are used to fill breathing air tanks for firefighters.

5. Safety Considerations: Working with high-pressure air requires adherence to strict safety protocols. Proper training, equipment, and maintenance are crucial to ensure the safe operation of high-pressure air compressors. It is important to follow manufacturer guidelines and industry standards for high-pressure applications.

When selecting a high-pressure air compressor, consider factors such as the desired pressure range, required flow rate, power source availability, and the specific application requirements. Consult with experts or manufacturers specializing in high-pressure compressed air systems to identify the most suitable compressor for your needs.

High-pressure air compressors offer the capability to meet the demands of specialized applications that require compressed air at elevated pressures. Their robust design and ability to deliver high-pressure air make them essential tools in various industries and sectors.

China Best Sales Powerful Motivation 24bar Screw Air Compressor for Night Operation   air compressor repair near meChina Best Sales Powerful Motivation 24bar Screw Air Compressor for Night Operation   air compressor repair near me
editor by CX 2023-10-09

China Best Sales 422HP 315kw Single-Stage Stationary Variable Frequency Rotary Screw Air Compressor air compressor repair near me

Product Description

No. C2:I28 Model No. Rated  Power (kW) Working Pressure (barg) Free Air Delivery (m³/min) Outlet Size GBT7306 (Screw Thread) Weight (kg) Dimension (L×W×H mm)
1   UD5A-7VPM 5.5 7 0.93 G3/4 230 800×600×1000
2   UD5A-8VPM 5.5 8 0.92
3 0 0571 1038 UD8A-7VPM 7.5 7 1.13 G3/4 230 800×600×1000
4 0 0571 1039 UD8A-8VPM 7.5 8 1.12
5   UD11A-7VPM 11 7 1.85 G1 300 880×650×1100
6   UD11A-8VPM 11 8 1.84
7   UD11A-10VPM 11 10 1.55
8 015571038 UD15A-7VPM 15 7 2.5 G1 320 880×650×1100
9 015571037 UD15A-8VPM 15 8 2.4
10 015571036 UD15A-10VPM 15 10 2.06
11 571571032 UD18A-7VPM 18.5 7 3.3 G1-1/4 400 1000×650×1220
12 571571031 UD18A-8VPM 18.5 8 3.2
13 571571033 UD18A-10VPM 18.5 10 2.8
14 571571040 UD22A-7VPM 22 7 3.8 G1-1/4 400 1000×650×1220
15 571571041 UD22A-8VPM 22 8 3.7
16 571571042 UD22A-10VPM 22 10 3.36
17  57171044 UD30A-7VPM 30 7 5.4 G1-1/2 570 1100×900×1300
18 57171036 UD30A-8VPM 30 8 5.3
19 57171045 UD30A-10VPM 30 10 4.7
20 57171048 UD37A-7VPM 37 7 6.8 G1-1/2 570 1100×900×1300
21 57171047 UD37A-8VPM 37 8 6.7
22 57171049 UD37A-10VPM 37 10 6
23 046571052 UD45A-7VPM 45 7 8.2 G2 860 1250×1100×1600
24 046571043 UD45A-8VPM 45 8 8.1
25 046571051 UD45A-10VPM 45 10 7.2
26 57171009 UD55A-7VPM 55 7 10.6 G2 880 1250×1100×1600
27 57171004 UD55A-8VPM 55 8 10.5
28 57171007 UD55A-10VPM 55 10 9.4

FAQ
Q: How about our after-sales service?
A: Emails or calls for feedbacks in 2 months interval.

Q:What trade terms do we provide?
A: Trade term :CIF ,CFR ,FOB,Ex-Works .  

Q: What kind of settlement currency do we offer?
A: We do any kind of currency such as US dollar, euro, RMB, etc.

Q: How long is the delivery time of our product?
A: Our standard delivery time is 30 days after confirmation order & receiving recipets for standard compressors, for the other non standard requirement will be discussed case by case.

Q: How to install our compressor?
A: Installation guidance and on-site commissioning provided by trained technicians or local authorised service crew.

Q: What’s the Min. Order requirement ? 
A: Our Min. Order quantity is 1pc.

After-sales Service: Standard Warranty
Warranty: 1 Year
Lubrication Style: Lubricated
Cooling System: Air Cooling
Power Source: AC Power
Cylinder Position: None
Customization:
Available

|

air-compressor

How to Choose the Right Air Compressor

An air compressor uses pressurized air to power a variety of tools. They are most commonly used to power nailers and impact wrenches. Other popular uses for air compressors include paint sprayers and impact wrenches. While all air compressors have the same basic construction, their specialty differs. Ultimately, their differences come down to the amount of air they can push. Read on for information on each type of air compressor. These tools are great for many different purposes, and choosing the right air compressor depends on your specific needs.

Electric motor

While purchasing an electric motor for air compressor, compatibility is a key factor. Not all motors work with the same type of air compressor, so it’s important to check the manufacturer’s instructions before purchasing. By doing this, you can avoid wasting money on an incompatible motor. Another important consideration is speed. A motor’s speed is its rate of rotation, measured in revolutions per minute. It is critical that you purchase a motor with sufficient speed to meet the needs of your air compressor.
Typically, an electric motor for air compressor is 1.5 hp. It is ideal for use with medical equipment and metal-cutting machines. It also performs well under continuous operation and offers a high efficiency and energy-saving performance. Moreover, it features an attractive price, making it a good choice for a wide range of applications. If you are looking for a motor for an air compressor, look no further than a ZYS series.
A motor’s protection class indicates how the motor will operate. Protection classes are specified by the IEC 60034-5. These are stated with two digits and represent the protection against solid objects and water. For example, an IP23 rating means that the motor will be protected from solid objects, while IP54 means that it will protect from dust and water sprayed from all directions. It is vital to choose a motor with the correct protection class for your air compressor.
When choosing an electric motor, you should consider whether it’s compatible with the brand of air compressor. Some may be compatible, while others may require advanced electronics skills to repair. However, most air compressors are covered by warranty, so it’s important to check with the manufacturer if the warranty is still in effect before you spend a dime on a replacement. The motor should be replaced if it has failed to perform as designed.
air-compressor

Oil bath

Air compressors require proper lubrication to function efficiently. The piston must draw air with minimal friction. Depending on their design, air compressors can either be oil-lubricated or oil-free. The former uses oil to reduce piston friction, while the latter splashes it on the cylinder bearings and walls. Such air compressors are commonly known as oil-flooded air compressors. In order to keep their oil baths clean, they are recommended for use in locations with high dust levels.

Start/stop control

An air compressor can be controlled by a start/stop control. This type of control sends a signal to the main motor that activates the compressor when the demand for air falls below a preset limit. This control strategy is effective for smaller air compressors and can be useful for reducing energy costs. Start/stop control is most effective in applications where air pressure does not change frequently and where the compressor is not required to run continuously.
To troubleshoot this problem, you need to check the power supply of your compressor. To check the supply side, use a voltage monitor to determine if power is flowing to the compressor. Ensure that the power supply to the compressor is steady and stable at all times. If it fluctuates, the compressor may not start or stop as expected. If you cannot find the problem with the air compressor power supply, it may be time to replace it.
In addition to the start/stop control, you may want to purchase additional air receivers for your air compressor. These can increase the capacity of air stored and reduce the number of times it starts and stops. Another way to decrease the number of starts per hour is to add more air receivers. Then, you can adjust the control to match your requirements. You can also install a pressure gauge that monitors the compressor’s performance.
Start/stop control for air compressors can be complex, but the basic components are relatively easy to understand. One way to test them is to turn the compressor on or off. It is usually located on the exterior of the motor. If you’re unsure of the location of these components, check the capacitors and make sure that the air compressor is not running while you’re not using it. If it does, try to remove the capacitor.
Variable displacement control is another way to adjust the amount of air flowing into the compressor. By controlling the amount of air, the control can delay the use of additional compressors until more required air is available. In addition to this, the device can also monitor the energy used in the compressor. This control method can result in substantial energy savings. You can even save on the amount of electricity by using variable displacement control. It is essential for efficient compressed air systems.
air-compressor

Variable speed drive

A VFD, or variable frequency drive, is a type of electric motor that adjusts its speed to match the demand for air. It is an efficient way to reduce energy costs and improve system reliability. In fact, studies have shown that a 20% reduction in motor speed can save up to 50% of energy. In addition, a VFD can monitor additional variables such as compressor oil pressure and motor temperature. By eliminating manual checks, a VFD will improve the performance of the application and reduce operating costs.
In addition to reducing energy costs, variable-speed drives also increase productivity. A variable-speed air compressor reduces the risk of system leaks by 30 percent. It also reduces the risk of system leaks by reducing pressure in the system. Because of these advantages, many governments are promoting this technology in their industries. Many even offer incentives to help companies upgrade to variable-speed drives. Therefore, the variable-speed drive can benefit many air compressor installations.
One major benefit of a variable-speed drive is its ability to optimize energy use. Variable frequency drives are able to ramp up and down to match the demand for air. The goal is to optimize the pressure and flow in the system so that the best “dead band” occurs between forty percent and eighty percent of full load. A variable-speed compressor will also increase energy efficiency because of its programmability.
A variable-speed air compressor can also be used to control the amount of air that is compressed by the system. This feature adjusts the frequency of power supplied to the motor based on the demand. If the demand for air is low, the frequency of the motor will reduce to save energy. On the other hand, if there is an excess demand for air, the variable-speed compressor will increase its speed. In addition, this type of air compressor is more efficient than its fixed-speed counterpart.
A VFD has many benefits for compressed air systems. First, it helps stabilize the pressure in the pipe network, thereby reducing the power losses due to upstream pressure. It also helps reduce the power consumption caused by fluctuations in upward pressure. Its benefits are also far-reaching. And as long as the air pressure and air supply is properly sized, a VFD will help optimize the efficiency of compressed air systems.

China Best Sales 422HP 315kw Single-Stage Stationary Variable Frequency Rotary Screw Air Compressor   air compressor repair near meChina Best Sales 422HP 315kw Single-Stage Stationary Variable Frequency Rotary Screw Air Compressor   air compressor repair near me
editor by CX 2023-04-22

China Fruit Vegetabe Meat Seafood Medicine Air Cooling Scroll Compressor Refrigeration 7HP 8HP air compressor repair near me

Merchandise Description

SOME Undertaking LIST 
 

Task TIME EQUIPMENTS Quantity Venture Area
2019 50000 Units FOR Complete SALSE  Projects
2571 70000 UNITS  FOR Whole Assignments
2571 80000 UNITS  FOR Complete SALSE PROJECTS 

one. Monoblock Type: Space SAVING      Simple Installation
– 1 supporter motor or 2 enthusiast motors, accessible for .5HP~5HP
– Air condenser with hydrophilic movie coating, higner corrosion resistance
– Interior spiral copper pipes, higner heat exchange area and warmth trade performance
–  Thickened shell made from professional air conditioner manufacturer
2. Box Type: Perfect FOR OUTDOOR       WATERPROOF
– 1 fan motor or 2 fan motors, obtainable for 1HP~12HP
– U form, V shape or L condition condenser
– Obtainable for the complete sequence
– Straightforward to ship, install and sustain

Temperature Parameters

 

Temp. Range&Application
High Temp. 
Medium Temp.  Low Temp. 
0ºC~10ºC -18ºC~0ºC -25ºC~-18ºC
Chilly Storage Friuit&Vegetable Cold Storage Ice Bag&Vaccine Cold Storage  Fish&Meat

 

US $300-1,500
/ Piece
|
1 Piece

(Min. Order)

###

After-sales Service: Video Technical Support, Online Support
Warranty: 1year
Type: Air-Cooled
Cooling Water: Air-Cooled
System Type: Open System
Fans Species: Single-speed Fan

###

PROJECT TIME EQUIPMENTS QUANTITY PROJECT LOCATION
2019 50000 UNITS FOR TOTAL SALSE  PROJECTS
2020 70000 UNITS  FOR TOTAL PROJECTS
2021 80000 UNITS  FOR TOTAL SALSE PROJECTS 

###

Temp. Range&Application
High Temp. 
US $300-1,500
/ Piece
|
1 Piece

(Min. Order)

###

After-sales Service: Video Technical Support, Online Support
Warranty: 1year
Type: Air-Cooled
Cooling Water: Air-Cooled
System Type: Open System
Fans Species: Single-speed Fan

###

PROJECT TIME EQUIPMENTS QUANTITY PROJECT LOCATION
2019 50000 UNITS FOR TOTAL SALSE  PROJECTS
2020 70000 UNITS  FOR TOTAL PROJECTS
2021 80000 UNITS  FOR TOTAL SALSE PROJECTS 

###

Temp. Range&Application
High Temp. 

Types of Air Compressors

There are many types of Air Compressors available on the market. Learn which one is right for your needs and what makes one better than another. Find out more about Single-stage models, Oil-free models, and Low-noise models. This article will explain these types and help you decide which one you need. You can also learn about Air Compressors that have single-stage compressors. If you are looking for a high-quality compressor, this article will help you choose a unit.
air-compressor

Air Compressors

Air compressors work by forcing atmospheric air through an inlet valve. As the piston moves down, it pulls atmospheric air into the chamber. As the piston rises, it forces the compressed air out of the cylinder through an exhaust valve. One of the most common types of air compressor is the reciprocating type. Another type of compressor is a single-stage piston. These types of compressors compress air in one stroke – equivalent to the complete rotation of the piston’s crankshaft.
These devices change electrical or mechanical energy into pressurized air. When air is compressed, its volume decreases, increasing its pressure. Air compressors typically have a minimum pressure of 30 bars. The lower pressure band is the range of air pressure. Most compressors are controlled separately, but network controls can be used to interconnect multiple compressors. This type of controller will not work for all types of compressors. There are other types of air compressors that can communicate with each other.
Compressed air has multiple applications in all kinds of industries. In agriculture, it can power pneumatically powered material handling machines for irrigation and crop spraying. Dairy equipments also use compressed air. Compressors are also used in the pharmaceutical industry for mixing tanks, packaging, and conveyor systems. Portable air compressors, which can be powered by diesel fuel, are frequently used at remote drilling sites. Portable air compressors are also commonly used in oil and gas. They can be used to remotely control valves and install reactor rods.
Whether you use an air compressor for agricultural purposes or in a manufacturing setting, there are some features to consider when choosing an air compressor for your needs. A good compressor will have a safety device. It will automatically shut off the input air and output air once sufficient compressing has been achieved. These features will help your air compressor remain efficient and protect your equipment. The safety device is an important feature of any air compressor to increase its overall efficiency.
Vane air compressors are the most common type. They are generally smaller and less powerful than reciprocating piston compressors, so you can use one of these for applications that are under 100 horsepower. The vane air compressors have low compression ratios and high capacities, but they are generally limited to low-power applications. Vane compressors tend to run hot, and they typically have a low compression ratio. It is important to choose the correct oil viscosity for your compressor.
air-compressor

Single-stage models

When comparing single-stage air compressors, look for the term “stages.” Multi-stage compressors use two stages and can handle more capacity and pressure. One stage involves pressurizing air using a piston and a lower-pressure cylinder. This compressed air is then moved to a storage tank. Single-stage models tend to be more energy-efficient than their two-stage counterparts. But if you don’t need a high-pressure cylinder, a single-stage air compressor can be the best choice.
Although single-stage air compressors produce less power, they can produce enough air to power pneumatic tools and other pneumatic equipment. These single-stage units are most useful for smaller-scale home projects and DIY projects. For more industrial purposes, a dual-stage model is the best choice. But if you’re in a hurry, a single-stage unit may be sufficient. Ultimately, it depends on what you plan to do with the air compressor.
Single-stage air compressors feature a single cylinder, one piston stroke for each revolution of pressurized air. Single-stage compressors are typically smaller and more compact, making them a good choice for smaller work environments. Their cfm capacity (cubic feet per minute) is an important indicator of operating capacity. If you plan to use multiple pneumatic tools, you will probably need a higher cfm model. Similarly, the horsepower of single-stage compressors indicates its working capacity. One horsepower moves 550 pounds per foot per minute.
Multi-stage air compressors are generally more expensive and more energy-efficient than single-stage units, but they can offer higher air flow rates. While they may be more complex, they can lower general operating expenses. If you plan on using your air compressor for industrial or commercial use, a dual-stage model might be the best choice. However, if you’re planning to use the air compressor for mass production, a single-stage model may be the best choice.
Single-stage air compressors have the same piston size and number of inlets, while dual-stage models have a smaller first piston and a much longer second piston. Both have a cooling tube in between the two pistons to reduce the air temperature before the second round of compression. The single-stage model is typically small and portable, while the double-stage air compressor is stationary. These compressors can both be stationary and large.

Low-noise models

Despite its name, low-noise models of air compressors are not all the same. The noise level of a compressor can be affected by several factors, including the power source and proximity to the machine. Reciprocal compressors are generally louder than electric ones because of their many moving parts. By contrast, rotary-screw and scroll compressors have fewer moving parts and are quieter.
The noise level of a gas-powered air compressor can be extremely high, making it unsuitable for use indoors. To combat this problem, you can choose an electric model. The noise level of a compressor is primarily caused by motor friction. The cover of a piston is also a major factor in noise, as pistons with minimal covers will produce a lot of noise. Previously, oil was required for a quiet compressor. However, this has changed thanks to the medical industry’s demand for oil-free models.
The CZPT EC28M Quiet Air Compressor is another model that features quiet operation. This air compressor makes 59dB of noise. This level is low enough to allow you to carry on normal conversations while it cycles. In addition, this compressor has an industrial oil-free pump and a 2.8 Amp direct-drive induction motor. These two features make it a great choice for businesses.
Low-noise models of air compressors are available for the construction industry. However, these compressors are not necessarily low-quality, which is why you should consider the noise level of your air tool before purchasing one. The specialists at CZPT can recommend the low-noise models for your particular application and space. Noise can distract people who work near the air compressor. That is why many businesses now opt for these models.
air-compressor

Oil-free models

A number of oil-free models of air compressors are available, but what makes them special? Oil-free compressors don’t contain oil, so they’re lubricated by grease instead. They’re a good choice if you’re working with a small compressor and don’t want to risk damaging it. On the other hand, oil-free models do generate significant amounts of heat, which can damage the compressor. Higher pressure can grind the compressor against itself, or even warp it.
A few words of knowledge can help you choose the best oil-free air compressor for your needs. For example, a compressor’s horsepower is a measurement of how powerful the motor is. Higher horsepower means a higher PSI or ACFM. You can also use the ACFM to compare the two. Scroll technology is a modern air compression system that uses a stationary and mobile spiral. This reduces the volume of air in the compressor by directing it to the center.
Purchasing an oil-free air compressor doesn’t have to be a daunting task, though. A good distributor can advise you on what type of oil-free air compressor is right for you. This way, you can save money and enjoy peace of mind while using your air compressor. And, of course, the best way to get a great deal on an air compressor is to speak to a distributor who is knowledgeable about the products available.
An oil-free air compressor is a great option for businesses that are sensitive to the contamination of air. For example, in the pharmaceutical and food industry, a minuscule oil could spoil a product or even damage production equipment. Oil-free air compressors generally have lower maintenance costs than oil-flooded models because there are fewer moving parts. Because of this, oilless air compressors require fewer maintenance and may still need to be replaced occasionally.
A few advantages of an oil-free air compressor over an oil-lubricated one include lower noise levels. Oil-free air compressors tend to be less noisy and run more quietly than oil-injected ones, but you should still carefully weigh the pros and cons before making a decision. Also, consider how much you use your air compressor before choosing a model. The pros outweigh the cons. In the end, you’ll be glad you chose an oil-free air compressor.

China Fruit Vegetabe Meat Seafood Medicine Air Cooling Scroll Compressor Refrigeration 7HP 8HP     air compressor repair near meChina Fruit Vegetabe Meat Seafood Medicine Air Cooling Scroll Compressor Refrigeration 7HP 8HP     air compressor repair near me
editor by czh 2023-01-21

China Good Price Energy Saving 22 Kw 30HP Screw Compressor Compresor De Aire Industrial Rotary Screw Air Compressor 30 HP air compressor repair near me

Solution Description

Very good Value Energy Conserving 22 KW 30HP Screw Compressor Compresor De Aire Industrial Rotary Screw Air Compressor thirty HP

 

Solution Title :  Excellent Price tag Energy Conserving 22 KW 30HP Screw Compressor Compresor De Aire Industrial Rotary Screw Air Compressor 30 HP
Kind:  Oil Injected Permanent Magnetic Variable Speed Rotary Screw Air Compressor
Voltage:  380V/50HZ/3P, 220V/60HZ/3P, 400V/50HZ/3P, 415V/50HZ/3P or Customer′s Demands
Working Strain:  lower pressure: 6bar, 7 bar, 8bar, ten bar, 12bar, 13bar
Motor Power:  seven.5KW, 11 Kw, 15KW, eighteen.5KW, 22KW, 30KW, 37KW, 45KW to 250KW
Horse Energy:  10HP, 15 HP, 20HP, 25HP, 30HP to 350HP
Driven Approach: Immediate Pushed
Air Conclude:  Hanbell manufacturer air conclude
Trademark:  Lingyu
Transport Package deal:  Common Wood Packing
Accessible Certification:  CE, ISO, SGS
Origin:  ZheJiang , China
Application: Many industrial: Packing,Painting,Precision Electroplating,Peparing

Q: Are you a factory or a buying and selling firm?
A: We are manufacturing unit. And we have ourselves buying and selling firm.

Q: What is the certain deal with of your business?
A: No.3, 2nd Street, yuanle Street, Xihu (West Lake) Dis.sheng City, HangZhou City, ZheJiang Province, China

Q: Do your organization take ODM & OEM?
A: Yes, of program. We settle for total ODM & OEM.

Q: What about the voltage of goods? Can they be custom-made?
A: Sure, of course. The voltage can be customized according to your necessity.

Q: Do your business offer you spare areas of the equipment?
A: Of course, of program, high quality spare parts are offered in our manufacturing facility.

Q: What are your payment phrases?
A: 50% T/T in progress, 50% T/T ahead of shipping.

Q: What payment approaches do you take?
A: T/T, Western Union

Q: How extended will you get to arrange the goods?
A: For regular voltages,we can shipping and delivery the items inside of 7-15 days. For other electrical power or other custom-made equipment, we
will supply inside of 25-30 days.

 

Good Price Vitality Conserving 22 KW 30HP Screw Compressor Compresor De Aire Industrial Rotary Screw Air Compressor thirty HP

After-sales Service: Video Support
Warranty: 2 Year Warranty
Lubrication Style: Lubricated
Cooling System: Air Cooling
Power Source: AC Power
Structure Type: Closed Type

###

Samples:
US$ 4999/Piece
1 Piece(Min.Order)

|
Request Sample

###

Customization:

###

Product Name :  Good Price Energy Saving 22 KW 30HP Screw Compressor Compresor De Aire Industrial Rotary Screw Air Compressor 30 HP
Type:  Oil Injected Permanent Magnetic Variable Speed Rotary Screw Air Compressor
Voltage:  380V/50HZ/3P, 220V/60HZ/3P, 400V/50HZ/3P, 415V/50HZ/3P or Customer′s Requirements
Working Pressure:  low pressure: 6bar, 7 bar, 8bar, 10 bar, 12bar, 13bar;
Motor Power:  7.5KW, 11 Kw, 15KW, 18.5KW, 22KW, 30KW, 37KW, 45KW to 250KW
Horse Power:  10HP, 15 HP, 20HP, 25HP, 30HP to 350HP
Driven Method: Direct Driven
Air End:  Hanbell brand air end
Trademark:  Lingyu
Transport Package:  Standard Wooden Packing
Available Certificate:  CE, ISO, SGS
Origin:  Guangdong, China
Application: Many industrial: Packing,Painting,Precision Electroplating,Peparing
After-sales Service: Video Support
Warranty: 2 Year Warranty
Lubrication Style: Lubricated
Cooling System: Air Cooling
Power Source: AC Power
Structure Type: Closed Type

###

Samples:
US$ 4999/Piece
1 Piece(Min.Order)

|
Request Sample

###

Customization:

###

Product Name :  Good Price Energy Saving 22 KW 30HP Screw Compressor Compresor De Aire Industrial Rotary Screw Air Compressor 30 HP
Type:  Oil Injected Permanent Magnetic Variable Speed Rotary Screw Air Compressor
Voltage:  380V/50HZ/3P, 220V/60HZ/3P, 400V/50HZ/3P, 415V/50HZ/3P or Customer′s Requirements
Working Pressure:  low pressure: 6bar, 7 bar, 8bar, 10 bar, 12bar, 13bar;
Motor Power:  7.5KW, 11 Kw, 15KW, 18.5KW, 22KW, 30KW, 37KW, 45KW to 250KW
Horse Power:  10HP, 15 HP, 20HP, 25HP, 30HP to 350HP
Driven Method: Direct Driven
Air End:  Hanbell brand air end
Trademark:  Lingyu
Transport Package:  Standard Wooden Packing
Available Certificate:  CE, ISO, SGS
Origin:  Guangdong, China
Application: Many industrial: Packing,Painting,Precision Electroplating,Peparing

A Buyer’s Guide to Air Compressor Types

There are many types of Air Compressors, and it’s important to understand what each type has to offer. In this article, we’ll discuss single stage air compressors, low-noise compressors, and models with two pistons. But, before you buy an Air Compressor, be sure to read our buyer’s guide to the various types. This way, you’ll have all of the information you need to make the right decision for your business.
air-compressor

Single-stage air compressors

A single-stage air compressor is an excellent choice for most general-purpose purposes. They provide enough power to operate pneumatic tools, and they produce less heat. Single-stage air compressors, however, are not suitable for heavy-duty industrial uses. However, they can be used in various applications, including auto shops, gas stations, and various manufacturing facilities. They are also suitable for borewells and other high-pressure places.
These air compressors are a great choice for home use and are suitable for small-scale businesses, contractors, and small shops. These compressors have continuous duty cycles, cast iron compressor pumps, and a minimum 5,000-hour pump life. They also feature advanced features, including ODP motors, Auto Start & Controls, Receiver tanks, and power cords. They have low maintenance and can save you a great deal of money.
Single-stage air compressors are generally less expensive and lighter than their two-stage counterparts. Single-stage air compressors are also more portable, which is a plus for small projects. While two-stage compressors offer higher CFM, they are more powerful and bulky, making them unsuitable for small or home use. So it is essential to determine what you will use the air compressor for and decide on a model based on your needs.
A single-stage air compressor is made of a piston and a tank. The piston moves rapidly inside the cylinder and exerts pressure on the cylinder. This means that the piston can’t move any faster than the air pressure outside the cylinder. The piston is designed to operate in the same way for each stage. This is a great choice for home shops and one-man automotive shops, as it allows you to control the pressure without sacrificing the pump’s life.
Single-stage air compressors are often cheaper than two-stage versions, but they are not the best choice for every application. If you are only using your air compressor occasionally, you’ll find a one-stage model to be much more reliable than a two-stage model. The main difference between the two types of compressors is in the amount of air that each stage compresses. A two-stage air compressor will have more air storage capacity, but it will still produce more pressure.

Rotary vane compressors

Rotary vane compressors use a centrifugal pump to compress air. The rotor is set eccentrically in the housing, which almost touches the vane. As the rotor turns, the air that enters the pump is trapped between the vanes. This compressed air undergoes compression as the rotor rotates. Vanes are small pieces of carbon fiber or graphite composite. Vanes may be made of different materials depending on the application.
While rotary vane pumps are not commonly used to produce compressed air, they are widely used in automotive and hydraulic applications. Chances are, you have used a rotary vane pump at some point in your life. These pumps are also common in the vacuum and compressed air industries. As a result, many people don’t realize that they’re still around. They feature slots that allow the vanes to slide in and out of the rotor.
A rotary vane compressor has a drum and rotor inside. The rotor is eccentrically positioned and has slots and grooves on its surface. Its inlet and outlet ports are situated off-center, allowing the vanes to be pushed out by centrifugal force. Because the rotor rotates so quickly, air is trapped between the vanes. This air then becomes pressurized by the rotating rotor.
Rotating vane compressors can be easily serviced and repaired. A simple replacement of carbon vanes requires just 15 minutes and common tools. The carbon vanes typically last nine to eighteen months, depending on system operating pressure. Before purchasing a rotary vane compressor, make sure to check whether it has been properly performance-tested and has a warranty. Generally, warranties cover the rotor/stator chambers but do not cover the vanes or air filters. You should also check if the unit is covered by a lightning or water damage warranty.
Rotary vane compressors are an integral part of manufacturing industries. Many pharmaceutical manufacturing facilities depend on rotary vane compressors to control their equipment. Other industries that use rotary vane compressors include the plastics, woodworking, natural gas, and medical & dental fields. Their benefits are numerous and far outweigh any disadvantages of rotary screw compressors. For example, a rotary vane compressor can double the life of a conventional compressor.
air-compressor

Rotary vane compressors with low-noise models

If you are looking for a rotary vane air compressor, you have come to the right place. CZPT’s LV Series rotary vane compressors offer low-noise models, compact size, and robust integration. In addition to their low-noise features, they feature large filter systems to deliver high-quality compressed air. The LV Series models also feature CZPT’s reputation for reliability and quality.
This type of compressor uses centrifugal force to operate and is limited in its top and minimum operating speeds. They are only a third as powerful as screw compressors, and their top speed limits are much lower. Furthermore, the vanes wear out easily at high speeds because there is not enough centrifugal force to seal them against the cylinder’s edges. Even at half their full capacity, they consume as much as 80% of their total energy rating.
Because piston compressors produce a lot of noise, factory owners and shop owners have begun to install noise-dampening cabinets and other solutions. But, rotary vane compressors produce far less noise than a traditional vacuum, and the maintenance costs are also low. Rotary vane compressors are also extremely helpful in several industries. They are used in the automotive and auto finishing industries, as well as in dairy industries and milking machines.
If you have a deep pond, a rotary vane air compressor kit can pump up to 20 feet of water. This is more than enough airflow for two to five diffusers. A 1/4 HP rotary vane kit pumps around 4.2 CFM. It also helps to increase circulation and oxygen levels in the pond. Finally, a 1/4 HP kit offers the necessary power to clean up the bottom of a pond.
The rotary vane and rotary screw are the most popular air compressors today. While they are similar in many ways, they are more versatile and durable than their counterparts. They use fewer angular contact ball bearings and require less frequent maintenance than piston air compressors. Compared to piston air compressors, rotary vane and rotary screw compressors are quieter and are less expensive.
air-compressor

Rotary vane compressors with two pistons

The rotary vane and rotary screw compressors are similar in application, but both have different advantages and disadvantages. This article will compare the benefits of each and highlight the differences between them. While both are commonly used in industrial applications, rotary vane compressors are preferred by many industries. These compressors also have a wide range of uses, ranging from automotive air tool operation to milking machines. These compressors also have the advantage of being quieter than piston-powered ones.
The current common rail position may not be suitable for pressure swirl injectors, but new positions have been tested and show improvements in specific energy values. Moreover, the current position is not required for external oil pumps. However, mass induction and expulsion have to be performed with utmost care. This article focuses on the design and efficiency of rotary vane compressors. You can find more information about this new design in the references mentioned below.
The advantages of this type of compressor are its low cost, compact size, and easy maintenance. Hence, they are preferred in low capacity applications. Moreover, they feature integrated vanes. The rotating vanes close the air gap and compress air towards the outlet. Compared to piston-powered compressors, these units are cheaper and more reliable. Therefore, you should choose one with the lowest price tag. You can also opt for rotary vane compressors that are oil-free.
Sliding vane compressors are another popular variant. They have a single cylinder connected to the compressor and are capable of operating at low speeds. This design also reduces the amount of friction and maintains volumetric efficiency. However, the sliding vane compressors suffer from high frictional losses. If you are looking for a more efficient rotary compressor, this is the best option. While sliding vane compressors have been in the spotlight for over a century, they are still quite young.
These compressors are easy to install and maintain. They are also quieter than piston compressors. They are also cheaper than piston-driven compressors. The energy efficiency and low price make them the perfect choice for any commercial or industrial application. If you’re looking for a small, compact compressor, the rotary vane has been proven to be the best choice for your needs. You should know that it has a long service life.

China Good Price Energy Saving 22 Kw 30HP Screw Compressor Compresor De Aire Industrial Rotary Screw Air Compressor 30 HP     air compressor repair near meChina Good Price Energy Saving 22 Kw 30HP Screw Compressor Compresor De Aire Industrial Rotary Screw Air Compressor 30 HP     air compressor repair near me
editor by czh 2022-12-29

China High Pressure Laser Cutting Machine Integrated Air Compressor for Laser Cutting Metal air compressor repair near me

Item Description

Higher Stress Laser Slicing Machine Integrated Air Compressor For Laser Reducing Metallic

 

Main Characteristics:

1. The versatile belt will be routinely tensioned in use. By way of adjusting the rigidity, minimize the loss of stress and electrical power, to boost the performance of compression.

two. Making use of the specific spin-oil separator and unique two-pole buffer separation, it can minimize the oil usage, guarantee the outlet fuel purity, and increase the life time of filter components.

three.  With the toothed V-belt, it has very good warmth dissipation, lengthy existence, larger gear generate and transmission performance, as higher as above 98%.

Oil FilterGood Quality filters ensure more time working existence and preserve the servicing time and cost.

Stainless Steel Hoses: High and lower temperature resistant, high stress resistant. 

Compressed Air Vessel: Reduction of strain drops and energy costs, good quality air with low oil material.

Air End: Imported DLOL air finish, innovative profile style. 

Electrical Motor: Premium effectiveness Entirely TEFC IP54/IP55 motor (Class F insulation) protects from dust and chemical compounds and many others.

Air Filter: Two-stage dust removal and filtering method with efficiency of up to ninety nine.9% even in weighty-responsibility environment. 

Cooler: High quality aluminum material, alternating expression cooler fins, make certain the excellent radiating result.

Specialized parameters:

Model 20A/16
Power 20HP / 15KW
Strain one.6MPa / 16bar
Air Flow 1.0m3/min
Dimension 1600*780*1600mm
Outlet dimensions G3/4
Bodyweight 415KG

Our workshop:

 

US $5,000-30,000
/ Set
|
1 Set

(Min. Order)

###

After-sales Service: Free Spare Parts
Warranty: One Year
Lubrication Style: Lubricated
Cooling System: Air Cooling
Power Source: AC Power
Cylinder Position: Vertical

###

Customization:

###

Model 20A/16
Power 20HP / 15KW
Pressure 1.6MPa / 16bar
Air Flow 1.0m3/min
Dimension 1600*780*1600mm
Outlet size G3/4
Weight 415KG
US $5,000-30,000
/ Set
|
1 Set

(Min. Order)

###

After-sales Service: Free Spare Parts
Warranty: One Year
Lubrication Style: Lubricated
Cooling System: Air Cooling
Power Source: AC Power
Cylinder Position: Vertical

###

Customization:

###

Model 20A/16
Power 20HP / 15KW
Pressure 1.6MPa / 16bar
Air Flow 1.0m3/min
Dimension 1600*780*1600mm
Outlet size G3/4
Weight 415KG

How to Choose the Right Air Compressor

An air compressor uses pressurized air to power a variety of tools. They are most commonly used to power nailers and impact wrenches. Other popular uses for air compressors include paint sprayers and impact wrenches. While all air compressors have the same basic construction, their specialty differs. Ultimately, their differences come down to the amount of air they can push. Read on for information on each type of air compressor. These tools are great for many different purposes, and choosing the right air compressor depends on your specific needs.
air-compressor

Electric motor

While purchasing an electric motor for air compressor, compatibility is a key factor. Not all motors work with the same type of air compressor, so it’s important to check the manufacturer’s instructions before purchasing. By doing this, you can avoid wasting money on an incompatible motor. Another important consideration is speed. A motor’s speed is its rate of rotation, measured in revolutions per minute. It is critical that you purchase a motor with sufficient speed to meet the needs of your air compressor.
Typically, an electric motor for air compressor is 1.5 hp. It is ideal for use with medical equipment and metal-cutting machines. It also performs well under continuous operation and offers a high efficiency and energy-saving performance. Moreover, it features an attractive price, making it a good choice for a wide range of applications. If you are looking for a motor for an air compressor, look no further than a ZYS series.
A motor’s protection class indicates how the motor will operate. Protection classes are specified by the IEC 60034-5. These are stated with two digits and represent the protection against solid objects and water. For example, an IP23 rating means that the motor will be protected from solid objects, while IP54 means that it will protect from dust and water sprayed from all directions. It is vital to choose a motor with the correct protection class for your air compressor.
When choosing an electric motor, you should consider whether it’s compatible with the brand of air compressor. Some may be compatible, while others may require advanced electronics skills to repair. However, most air compressors are covered by warranty, so it’s important to check with the manufacturer if the warranty is still in effect before you spend a dime on a replacement. The motor should be replaced if it has failed to perform as designed.
air-compressor

Oil bath

Air compressors require proper lubrication to function efficiently. The piston must draw air with minimal friction. Depending on their design, air compressors can either be oil-lubricated or oil-free. The former uses oil to reduce piston friction, while the latter splashes it on the cylinder bearings and walls. Such air compressors are commonly known as oil-flooded air compressors. In order to keep their oil baths clean, they are recommended for use in locations with high dust levels.

Start/stop control

An air compressor can be controlled by a start/stop control. This type of control sends a signal to the main motor that activates the compressor when the demand for air falls below a preset limit. This control strategy is effective for smaller air compressors and can be useful for reducing energy costs. Start/stop control is most effective in applications where air pressure does not change frequently and where the compressor is not required to run continuously.
To troubleshoot this problem, you need to check the power supply of your compressor. To check the supply side, use a voltage monitor to determine if power is flowing to the compressor. Ensure that the power supply to the compressor is steady and stable at all times. If it fluctuates, the compressor may not start or stop as expected. If you cannot find the problem with the air compressor power supply, it may be time to replace it.
In addition to the start/stop control, you may want to purchase additional air receivers for your air compressor. These can increase the capacity of air stored and reduce the number of times it starts and stops. Another way to decrease the number of starts per hour is to add more air receivers. Then, you can adjust the control to match your requirements. You can also install a pressure gauge that monitors the compressor’s performance.
Start/stop control for air compressors can be complex, but the basic components are relatively easy to understand. One way to test them is to turn the compressor on or off. It is usually located on the exterior of the motor. If you’re unsure of the location of these components, check the capacitors and make sure that the air compressor is not running while you’re not using it. If it does, try to remove the capacitor.
Variable displacement control is another way to adjust the amount of air flowing into the compressor. By controlling the amount of air, the control can delay the use of additional compressors until more required air is available. In addition to this, the device can also monitor the energy used in the compressor. This control method can result in substantial energy savings. You can even save on the amount of electricity by using variable displacement control. It is essential for efficient compressed air systems.
air-compressor

Variable speed drive

A VFD, or variable frequency drive, is a type of electric motor that adjusts its speed to match the demand for air. It is an efficient way to reduce energy costs and improve system reliability. In fact, studies have shown that a 20% reduction in motor speed can save up to 50% of energy. In addition, a VFD can monitor additional variables such as compressor oil pressure and motor temperature. By eliminating manual checks, a VFD will improve the performance of the application and reduce operating costs.
In addition to reducing energy costs, variable-speed drives also increase productivity. A variable-speed air compressor reduces the risk of system leaks by 30 percent. It also reduces the risk of system leaks by reducing pressure in the system. Because of these advantages, many governments are promoting this technology in their industries. Many even offer incentives to help companies upgrade to variable-speed drives. Therefore, the variable-speed drive can benefit many air compressor installations.
One major benefit of a variable-speed drive is its ability to optimize energy use. Variable frequency drives are able to ramp up and down to match the demand for air. The goal is to optimize the pressure and flow in the system so that the best “dead band” occurs between forty percent and eighty percent of full load. A variable-speed compressor will also increase energy efficiency because of its programmability.
A variable-speed air compressor can also be used to control the amount of air that is compressed by the system. This feature adjusts the frequency of power supplied to the motor based on the demand. If the demand for air is low, the frequency of the motor will reduce to save energy. On the other hand, if there is an excess demand for air, the variable-speed compressor will increase its speed. In addition, this type of air compressor is more efficient than its fixed-speed counterpart.
A VFD has many benefits for compressed air systems. First, it helps stabilize the pressure in the pipe network, thereby reducing the power losses due to upstream pressure. It also helps reduce the power consumption caused by fluctuations in upward pressure. Its benefits are also far-reaching. And as long as the air pressure and air supply is properly sized, a VFD will help optimize the efficiency of compressed air systems.

China High Pressure Laser Cutting Machine Integrated Air Compressor for Laser Cutting Metal     air compressor repair near meChina High Pressure Laser Cutting Machine Integrated Air Compressor for Laser Cutting Metal     air compressor repair near me
editor by czh 2022-12-23