Product Description
75kW 100HP PM Variable Speed Industrial Screw Air Compressors
Model: RK100APM
Free air delivery: 12.2 m3/min
Working pressure: 8 bar
Control: automatic PLC controller
Driven: direct driven, elastic coupling
Cooling: by air
Starting: Frequency conversion start
Electric motor: PM VSD 100hp 75kw 380V/50hz/3ph
Discharge temperature: less than ambient +8 ºC
Noise: less than 72 dB(A)
Air outlet size: G2″
Dimension: 1700*1200*1550mm
Weight: 1050kg
| Intelligent PM VSD Screw Air Compressor | ||||||||
| Model | Air Delivery (m3/min) | Power (kW) |
Noise (dB) |
Outlet diameter |
Dimension (mm) | Weight (Kg) |
||
| 8bar | 10bar | 13bar | L * W * H | |||||
| RK10APM | 0.5-1.2 | 0.4-1.0 | 0.3-0.7 | 7.5 | 63 | G3/4 | 900*650*860 | 190 |
| RK15APM | 0.6-1.7 | 0.5-1.6 | 0.4-1.0 | 11 | 65 | G3/4 | 1150*750*960 | 320 |
| RK20APM | 1.0-2.4 | 0.8-2.1 | 0.7-1.6 | 15 | 65 | G3/4 | 1150*750*960 | 340 |
| RK30APM | 1.5-3.7 | 1.3-3.2 | 1.1-2.8 | 22 | 68 | G1 | 1350*850*1120 | 430 |
| RK40APM | 2.0-5.0 | 1.6-3.9 | 1.4-3.4 | 30 | 68 | G1 | 1500*1000*1350 | 600 |
| RK50APM | 2.5-6.2 | 2.2-5.6 | 2.0-4.9 | 37 | 69 | G1 1/2 | 1500*1000*1350 | 650 |
| RK60APM | 3.0-7.3 | 2.4-6.0 | 2.3-5.9 | 45 | 70 | G1 1/2 | 1500*1000*1350 | 730 |
| RK75APM | 3.8-9.5 | 3.5-8.7 | 3.0-7.3 | 55 | 70 | G2 | 1700*1200*1550 | 950 |
| RK100APM | 5.1-12.8 | 4.5-11.3 | 3.7-9.2 | 75 | 72 | G2 | 1700*1200*1550 | 1050 |
| RK125APM | 6.2-15.5 | 5.4-13.6 | 5.0-12.5 | 90 | 72 | G2 | 2100*1400*1650 | 1420 |
| RK150APM | 7.8-19.6 | 7.1-17.8 | 6.2-15.5 | 110 | 72 | DN65 | 2500*1650*1900 | 2200 |
| RK175APM | 9.3-23.2 | 7.8-19.5 | 7.1-17.8 | 132 | 72 | DN65 | 2500*1650*1900 | 2400 |
| RK220APM | 11.1-27.8 | 9.2-23.0 | 8.0-20.0 | 160 | 72 | DN80 | 3000*1900*1950 | 3650 |
| RK250APM | 12.5-31.2 | 11.0-27.5 | 10.3-25.8 | 185 | 72 | DN80 | 3000*1900*1950 | 3950 |
| RK275APM | 13.6-34.0 | 12.2-30.5 | 11.2-28.0 | 200 | 76 | DN80 | 3000*1900*1950 | 4200 |
| RK300APM | 14.0-35.0 | 12.8-32.0 | 12.0-30.0 | 220 | 76 | DN100 | 3600*2200*2200 | 4600 |
| RK350APM | 16.6-41.5 | 15.2-38.0 | 14.0-34.9 | 250 | 76 | DN100 | 3600*2200*2200 | 5900 |
| RK375APM | 20.2-50.6 | 18.4-46.0 | 16.6-41.5 | 280 | 82 | DN100 | 3600*2200*2200 | 6000 |
| RK420APM | 22.2-55.9 | 20.0-50.1 | 16.8-42.0 | 315 | 82 | DN125 | 4600*2300*2430 | 7800 |
| RK420WPM | 22.2-55.9 | 20.0-50.1 | 16.8-42.0 | 315 | 82 | DN125 | 4200*2300*2430 | 7500 |
| RK475APM | 26.0-65.4 | 22.0-55.1 | 18.4-46.0 | 355 | 85 | DN125 | 4600*2300*2430 | 8200 |
| RK475WPM | 26.0-65.4 | 22.0-55.1 | 18.4-46.0 | 355 | 82 | DN125 | 4200*2300*2430 | 7900 |
Product Description
Product feature
1. Super IE4 class, 97% high-efficiency energy-saving PM motor.
2. Latest technology screw air end, more compact and stable.
3. Intelligent frequency conversion technology, energy saving up to 42%.
4. Internet remote control, monitor your compressor anytime, anywhere.
Buyer Reviews
Customer Visit
Packaging & Shipping
1.Packing Details:Plywood crate pallet plus foam board and bubble film, Full closed wooden case. 1pcs/each package (for stationary screw air compressor)
2.Shipping method: by sea, by LCL/FCL or as requested
3.Delivery method: FOB, CFR, CIF and EXW etc.
4.Delivery time: in 7-15 days after receiving deposit (customized machines not included)
Certifications
Company Profile
ZheJiang CHINAMFG Machinery Co., Ltd. was established in 2003 and has18 years of experience in the air compressor industry. It is an innovative enterprise integrating production, trade, service, research and development.
Our company dominates strong technical skill, advancing manufacture equipment and testing device, execute strictly of ISO9001 quality management system. As a CE certificated manufacturer, our Oil-free series air compressor also reaches Germany TUV Class 0 standard. Main products have passed the testing of national technical authorities, energy consumption level has reached the international advanced level.With more than 120 skilled employees and 18 senior engineers, each production process is performed standardly and strictly. Germany technology and 14 years export experience have helped us to gain more than 30 loyal overseas agents, and our valued customers have spread across more than 130 countries.
CHINAMFG will continue to promote technological innovation and progress in line with the mission of “innovation reflects value”, and achieve CHINAMFG results with global partners, suppliers and employees. Create a new world of “energy saving, envir-onmental protection and intelligence” in the field of air compressors.
Payment and delivery
FAQ
Q1. Are you trading company or manufacture ?
A: We are professional manufacture of screw air compressor of HangZhou,ZheJiang ,China. More than 18 years of experience in air compressor manufacturing.
Q2. How long is the delivery time ?
A: For standard voltage ,15 working days. Non-standard ,please contact our sales.
Q3. What’s payment term ?
A: T/T, L/C, D/P, Western Union, Paypal, Credit Card, and etc. Also we could accept USD, RMB, Euro and other currency.
Q4. How about your after-sales service ?
A: 1.Provide customers with installation and commissioning online instructions.
2. Well-trained engineers available to overseas service.
3.CHINAMFG agents and after service avaiable.arrange our engineers to help you training and installation.
Q5. How about your warranty?
A: One year for the whole machine and 2 years for screw air end, except consumable spare parts.
Q6. Do you have any certificate ?
A: Yes, per different customer’s market need ,we can offer CE ,ISO etc certificate.
Q7. What about the maintenance ?
A: First maintenance need to be done after 500Hours, and then every 2000-3000 hours to do the normal maintenance, and consider the actual environment.
Q8. How do you control quality ?
A: 1. The raw materials are strictly inspected
2. Some key parts are imported from overseas
3. Each compressor must pass at least 5 hours of continuous testing before leaving the factory.
Q9. Do you offer OEM service ?
A: Yes.Both OEM & ODM service can be accepted.
Q10.How long could your air compressor be used?
A: Generally, more than 10 years.
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| After-sales Service: | Online Support |
|---|---|
| Warranty: | 24month |
| Lubrication Style: | Lubricated |
| Customization: |
Available
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Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
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| Payment Method: |
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Initial Payment Full Payment |
| Currency: | US$ |
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| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
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How does variable speed drive technology improve air compressor efficiency?
Variable Speed Drive (VSD) technology improves air compressor efficiency by allowing the compressor to adjust its motor speed to match the compressed air demand. This technology offers several benefits that contribute to energy savings and enhanced overall system efficiency. Here’s how VSD technology improves air compressor efficiency:
1. Matching Air Demand:
Air compressors equipped with VSD technology can vary the motor speed to precisely match the required compressed air output. Traditional fixed-speed compressors operate at a constant speed regardless of the actual demand, leading to energy wastage during periods of lower air demand. VSD compressors, on the other hand, ramp up or down the motor speed to deliver the necessary amount of compressed air, ensuring optimal energy utilization.
2. Reduced Unloaded Running Time:
Fixed-speed compressors often run unloaded during periods of low demand, where they continue to consume energy without producing compressed air. VSD technology eliminates or significantly reduces this unloaded running time by adjusting the motor speed to closely follow the air demand. As a result, VSD compressors minimize energy wastage during idle periods, leading to improved efficiency.
3. Soft Starting:
Traditional fixed-speed compressors experience high inrush currents during startup, which can strain the electrical system and cause voltage dips. VSD compressors utilize soft starting capabilities, gradually ramping up the motor speed instead of instantly reaching full speed. This soft starting feature reduces mechanical and electrical stress, ensuring a smooth and controlled startup, and minimizing energy spikes.
4. Energy Savings at Partial Load:
In many applications, compressed air demand varies throughout the day or during different production cycles. VSD compressors excel in such scenarios by operating at lower speeds during periods of lower demand. Since power consumption is proportional to motor speed, running the compressor at reduced speeds significantly reduces energy consumption compared to fixed-speed compressors that operate at a constant speed regardless of the demand.
5. Elimination of On/Off Cycling:
Fixed-speed compressors often use on/off cycling to adjust the compressed air output. This cycling can result in frequent starts and stops, which consume more energy and cause mechanical wear. VSD compressors eliminate the need for on/off cycling by continuously adjusting the motor speed to meet the demand. By operating at a consistent speed within the required range, VSD compressors minimize energy losses associated with frequent cycling.
6. Enhanced System Control:
VSD compressors offer advanced control capabilities, allowing for precise monitoring and adjustment of the compressed air system. These systems can integrate with sensors and control algorithms to maintain optimal system pressure, minimize pressure fluctuations, and prevent excessive energy consumption. The ability to fine-tune the compressor’s output based on real-time demand contributes to improved overall system efficiency.
By utilizing variable speed drive technology, air compressors can achieve significant energy savings, reduce operational costs, and enhance their environmental sustainability by minimizing energy wastage and optimizing efficiency.
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Are there differences between single-stage and two-stage air compressors?
Yes, there are differences between single-stage and two-stage air compressors. Here’s an in-depth explanation of their distinctions:
Compression Stages:
The primary difference between single-stage and two-stage air compressors lies in the number of compression stages they have. A single-stage compressor has only one compression stage, while a two-stage compressor has two sequential compression stages.
Compression Process:
In a single-stage compressor, the entire compression process occurs in a single cylinder. The air is drawn into the cylinder, compressed in a single stroke, and then discharged. On the other hand, a two-stage compressor utilizes two cylinders or chambers. In the first stage, air is compressed to an intermediate pressure in the first cylinder. Then, the partially compressed air is sent to the second cylinder where it undergoes further compression to reach the desired final pressure.
Pressure Output:
The number of compression stages directly affects the pressure output of the air compressor. Single-stage compressors typically provide lower maximum pressure levels compared to two-stage compressors. Single-stage compressors are suitable for applications that require moderate to low air pressure, while two-stage compressors are capable of delivering higher pressures, making them suitable for demanding applications that require greater air pressure.
Efficiency:
Two-stage compressors generally offer higher efficiency compared to single-stage compressors. The two-stage compression process allows for better heat dissipation between stages, reducing the chances of overheating and improving overall efficiency. Additionally, the two-stage design allows the compressor to achieve higher compression ratios while minimizing the work done by each stage, resulting in improved energy efficiency.
Intercooling:
Intercooling is a feature specific to two-stage compressors. Intercoolers are heat exchangers placed between the first and second compression stages. They cool down the partially compressed air before it enters the second stage, reducing the temperature and improving compression efficiency. The intercooling process helps to minimize heat buildup and reduces the potential for moisture condensation within the compressor system.
Applications:
The choice between a single-stage and two-stage compressor depends on the intended application. Single-stage compressors are commonly used for light-duty applications such as powering pneumatic tools, small-scale workshops, and DIY projects. Two-stage compressors are more suitable for heavy-duty applications that require higher pressures, such as industrial manufacturing, automotive service, and large-scale construction.
It is important to consider the specific requirements of the application, including required pressure levels, duty cycle, and anticipated air demand, when selecting between a single-stage and two-stage air compressor.
In summary, the main differences between single-stage and two-stage air compressors lie in the number of compression stages, pressure output, efficiency, intercooling capability, and application suitability.
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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.
editor by CX 2024-04-04
China Professional 110kw 150HP Air Cooling Industrial Pm VSD Two Stage Screw Air Compressor with Energy Saving 40% with high quality
Product Description
110KW 150HP Air Cooling Industrial PM VSD Two Stage Screw Air Compressor with Energy Saving 40%
Specification:
Intelligent Screw Air Compressor
Ariend with high air flow,low nose ,high relisbility.
The life of the spare parts is long,easy to buy ,lost cost .
Easy maintenanance,save more time.
PRODUCT FEATURES
ENERGY SAVING
Ultra-low frequency speed control technology far surpasses standard VSD compressor systems.
Capable lower than 15Hz operation,this system is truly capable of constant variable pressure operation and significant energy saving.
HIGH RELIABILITY
USoft-Start feature allows for litte or no impact on the power supply system and marginalises mechancial wear and tear up on start-up.
LLeakageis always present in any air system .at full presure a good system can loose 0.2Mpa.CHINAMFG VSD machines can reduce thar loss by up to 25%simply by supplying the air pressure that is required.
MUTE ENVIRONMENTAL PROTECTION
Advanceed Vector variable frequency control reduces vibration and noise.The unit can be used without the requirement for a special room.
This means saving of all resources required to install a machine in an external location such as pipe and power lines and land.Oil exhaust output is lower than 3ppm thus negating enviromantal impact.
ENERGY SAVING 30%&LONGER LIFE
Utilising frequency control for the cooling fan and drive motor allows for up to 30% energy savings.This translates into less frequent servicing of the CHINAMFG thus further significant saving are achieved over the life of the machine.
Our Exhibition
For More Products
Why Trust Us ?
Who We Are ?
ZHangZhoug Zhilun Mechanical &Electrical Co.Ltd. is 1 of the main manufactures,specialized in R & D, manufacturing and sales of the piston air compressor and screw air compressor. Our company is located in CHINAMFG town, LuQiao District, TaiZhou City, only 3km away from TaiZhou Airport, and around 220km away from HangZhou port. The traffic is very convenient for your visiting.
Our company owns an area of 50000 suqare mater and has more than 300 staffs.
We have advanced production equipments and are familiar with the process of the mass production. We also have high precision measuring instruments and high efficiency of automatic assembly line to ensure the quality and quantity of the products. We have strong technical strength and production management, gathering the technical team and manamement team from the leading air compressor enterprises. We set up our own development team, which has a strong ability to develop the product and can meet the different demands from different customer and makets.
We take the maket demands as the guidance, strives for the survival by quality ,strives for the development by innovation,always put customers,quality and innovation in the first place ,follow up the prefessional management and continuously satisfy the demanded of the customer. We always follow up the principle of people-oriented, legitimate business, honest & trustworthy, focus on the industy of the air compressor, with the effort to create a first-class brand in the industry of air compressor.
Frequency Asked Question:
Q1: Are you factory or trade company?
A1: We are factory.Thank you.
Q2: What’s the exact address of your factory?
A2: Our company located in CHINAMFG town,LuQiao District, TaiZhou, ZHangZhoug Province, China . Thank you.
Q3: Warranty terms of your air compressor machine?
A3: One years warranty for the machine and technical support according to your needs.
Q4: Will you provide some spare parts of the air compressor?
A4: Yes, of course.
Q5: How long will you take to arrange production?
A5: About 25 working days after receiving the deposit.
Q6: Can you accept OEM orders?
A6: Yes, with professional design team, OEM orders are highly welcomed.
Q7:What trade terms do we provide ?
A7:Trade terms FOB, CIF.
Q8:What is our payment term? What kind of settlement currency do we offer ?
A8:Normally, we can do T/T and LC at sight, for the T/T, 30% will be required as deposit, the balance amount against the copy of the BL.
We can accept the currency in USD or RMB.
Q9:What about the cost of sample?
A9: The cost of the sample will be required, but we can return back the amount in the future order by 1*40’HQ.
| After-sales Service: | Online Support |
|---|---|
| Warranty: | 12 Months |
| Lubrication Style: | Lubricated |
| Cooling System: | Air Cooling |
| Power Source: | AC Power |
| Cylinder Position: | Vertical |
| Samples: |
US$ 15000/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
|
|
|---|
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Can air compressors be used for painting and sandblasting?
Yes, air compressors can be used for both painting and sandblasting applications. Here’s a closer look at how air compressors are utilized for painting and sandblasting:
Painting:
Air compressors are commonly used in painting processes, especially in automotive, industrial, and construction applications. Here’s how they are involved:
- Spray Guns: Air compressors power spray guns used for applying paint coatings. The compressed air atomizes the paint, creating a fine mist that can be evenly sprayed onto surfaces. The pressure and volume of the compressed air impact the spray pattern, coverage, and overall finish quality.
- Paint Mixers and Agitators: Compressed air is often used to power mixers and agitators that ensure proper blending of paint components. These devices use the compressed air to stir or circulate the paint, preventing settling and maintaining a consistent mixture.
- Airbrushing: Air compressors are essential for airbrushing techniques, which require precise control over airflow and pressure. Airbrushes are commonly used in artistic applications, such as illustrations, murals, and fine detailing work.
Sandblasting:
Air compressors play a crucial role in sandblasting operations, which involve propelling abrasive materials at high velocity to clean, etch, or prepare surfaces. Here’s how air compressors are used in sandblasting:
- Blasting Cabinets: Air compressors power blasting cabinets or booths, which are enclosed spaces where the sandblasting process takes place. The compressed air propels the abrasive media, such as sand or grit, through a nozzle or gun, creating a forceful stream that impacts the surface being treated.
- Abrasive Blasting Pots: Air compressors supply air to abrasive blasting pots or tanks that store and pressurize the abrasive media. The compressed air from the compressor enters the pot, pressurizing it and allowing for a controlled release of the abrasive material during the sandblasting process.
- Air Dryers and Filters: In sandblasting applications, it is crucial to have clean, dry air to prevent moisture and contaminants from affecting the abrasive blasting process and the quality of the surface being treated. Air compressors may be equipped with air dryers and filters to remove moisture, oil, and impurities from the compressed air.
When using air compressors for painting or sandblasting, it is important to consider factors such as the compressor’s pressure and volume output, the specific requirements of the application, and the type of tools or equipment being used. Consult the manufacturer’s guidelines and recommendations to ensure the air compressor is suitable for the intended painting or sandblasting tasks.
Proper safety measures, such as wearing protective gear and following established protocols, should always be followed when working with air compressors for painting and sandblasting applications.
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How do you troubleshoot common air compressor problems?
Troubleshooting common air compressor problems can help identify and resolve issues that may affect the performance and functionality of the compressor. Here are some steps to troubleshoot common air compressor problems:
1. No Power:
- Check the power source and ensure the compressor is properly plugged in.
- Inspect the circuit breaker or fuse box to ensure it hasn’t tripped or blown.
- Verify that the compressor’s power switch or control panel is turned on.
2. Low Air Pressure:
- Check the air pressure gauge on the compressor. If the pressure is below the desired level, the compressor might not be building up enough pressure.
- Inspect for air leaks in the system. Leaks can cause a drop in pressure. Listen for hissing sounds or use a soapy water solution to identify the location of leaks.
- Ensure the compressor’s intake filter is clean and not clogged, as this can restrict airflow and reduce pressure.
3. Excessive Noise or Vibration:
- Inspect the compressor’s mounting and foundation to ensure it is secure and stable. Loose mounts can cause excessive noise and vibration.
- Check for loose or damaged components, such as belts, pulleys, or motor mounts. Tighten or replace as necessary.
- Verify that the compressor’s cooling system, such as the fan or fins, is clean and free from obstructions. Overheating can lead to increased noise and vibration.
4. Air Leaks:
- Inspect all connections, valves, fittings, and hoses for leaks. Tighten or replace any loose or damaged components.
- Apply a soapy water solution to suspected areas and look for bubbles. Bubbles indicate air leaks.
- Consider using thread sealant or Teflon tape on threaded connections to ensure a proper seal.
5. Excessive Moisture in Compressed Air:
- Check the compressor’s drain valve and ensure it is functioning properly. Open the valve to release any accumulated moisture.
- Inspect and clean the compressor’s moisture separator or air dryer, if equipped.
- Consider installing additional filtration or drying equipment to remove moisture from the compressed air system.
6. Motor Overheating:
- Ensure the compressor’s cooling system is clean and unobstructed.
- Check the motor’s air intake vents and clean any dust or debris that may be blocking airflow.
- Verify that the compressor is not being operated in an excessively hot environment.
- Check the motor’s lubrication levels and ensure they are within the manufacturer’s recommended range.
- Consider using a thermal overload protector to prevent the motor from overheating.
If troubleshooting these common problems does not resolve the issue, it may be necessary to consult the manufacturer’s manual or seek assistance from a qualified technician. Regular maintenance, such as cleaning, lubrication, and inspection, can also help prevent common problems and ensure the optimal performance of the air compressor.
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How do oil-lubricated and oil-free air compressors differ?
Oil-lubricated and oil-free air compressors differ in terms of their lubrication systems and the presence of oil in their operation. Here are the key differences:
Oil-Lubricated Air Compressors:
1. Lubrication: Oil-lubricated air compressors use oil for lubricating the moving parts, such as pistons, cylinders, and bearings. The oil forms a protective film that reduces friction and wear, enhancing the compressor’s efficiency and lifespan.
2. Performance: Oil-lubricated compressors are known for their smooth and quiet operation. The oil lubrication helps reduce noise levels and vibration, resulting in a more comfortable working environment.
3. Maintenance: These compressors require regular oil changes and maintenance to ensure the proper functioning of the lubrication system. The oil filter may need replacement, and the oil level should be regularly checked and topped up.
4. Applications: Oil-lubricated compressors are commonly used in applications that demand high air quality and continuous operation, such as industrial settings, workshops, and manufacturing facilities.
Oil-Free Air Compressors:
1. Lubrication: Oil-free air compressors do not use oil for lubrication. Instead, they utilize alternative materials, such as specialized coatings, self-lubricating materials, or water-based lubricants, to reduce friction and wear.
2. Performance: Oil-free compressors generally have a higher airflow capacity, making them suitable for applications where a large volume of compressed air is required. However, they may produce slightly more noise and vibration compared to oil-lubricated compressors.
3. Maintenance: Oil-free compressors typically require less maintenance compared to oil-lubricated ones. They do not need regular oil changes or oil filter replacements. However, it is still important to perform routine maintenance tasks such as air filter cleaning or replacement.
4. Applications: Oil-free compressors are commonly used in applications where air quality is crucial, such as medical and dental facilities, laboratories, electronics manufacturing, and painting applications. They are also favored for portable and consumer-grade compressors.
When selecting between oil-lubricated and oil-free air compressors, consider the specific requirements of your application, including air quality, noise levels, maintenance needs, and expected usage. It’s important to follow the manufacturer’s recommendations for maintenance and lubrication to ensure the optimal performance and longevity of the air compressor.
editor by CX 2023-11-13
China Best Sales High Efficiency 15kw 10bar Inverter 20HP Pm Variable Frequency Rotary Screw Air Compressor best air compressor
Product Description
PM VSD TYPE SCREW AIR COMPRESSOR
* High efficiency power-saving
* Permanent magnet motor
* Frequency Inverter
|
Model |
Power KW |
Power HP |
Air flow L/min |
Pressure bar |
Drive Mode |
|
SA-10E |
7.5 |
10 |
1.2/1.1/0.95/0.8 |
7/8/10/12 |
Direct |
| SA-15E |
11 |
15 |
1.65/1.5/1.3/1.1 |
7/8/10/12 |
Direct |
|
SA-20E |
15 |
20 |
2.5/2.3/2.1/1.72 |
7/8/10/12 |
Direct |
|
SA-25E |
18.5 |
25 |
3.2/3.0/2.7/2.4 |
7/8/10/12 |
Direct |
|
SA-30E |
22 |
30 |
3.8/3.6/3.2/2.7 |
7/8/10/12 |
Direct |
|
SA-40E |
30 |
40 |
5.3/5.0/4.5/4.0 |
7/8/10/12 |
Direct |
|
SA-50E |
37 |
50 |
6.8/6.2/5.6/5.0 |
7/8/10/12 |
Direct |
|
SA-75V |
55 |
75 |
10/9.6/8.5/7.6 |
7/8/10/12 |
Direct |
|
SA-100V |
75 |
100 |
13.4/12.6/11.2/10.0 |
7/8/10/12 |
Direct |
|
SA-150V |
110 |
150 |
21/19.8/17.4/14.8 |
7/8/10/12 |
Direct |
|
SA-175V |
132 |
175 |
24.5/23.2/20.5/17.4 |
7/8/10/12 |
Direct |
FAQ:
Q1: Are you factory or trade company?
A1: We are factory. And we have ourselves trading company.
Q2: How about the warranty terms of your machine?
A2: One year for the whole machine and 2 years for screw air end, except consumble spare parts.
Q3: Could you provide some spare parts of the machines?
A3: Yes, we can offer.
Q4: What about product package?
A4: We will pack the products strictly with standard wooden carton.
Q5: Can you customized the voltage of products?
A5: Yes, the voltage can be customized according to your requirement. Like 380V/60HZ, 415V/50HZ, 220V/60HZ and so on.
Q6: Can you provide samples?
A6: Yes, we cam provide samples.
Q7: How long will you take to arrange production?
A7: Regular model within 7-15 days. Customized model within 25-30 days.
Q8: How about your customer service?
A8: 24 hours on-line service available. 48 hours problem solved promise.
Q9: Which payment term can you accept?
A9: T/T 30% as deposit, and 70% before delivery. We’ll show you the photos of the products and packages before you pay the balance.
Q10: Which trade term can you accept?
A10: Available trade terms: FOB, CIF, CFR, EXW, CPT, etc.
| After-sales Service: | Online Service |
|---|---|
| Warranty: | 1 Year |
| Lubrication Style: | Lubricated |
| Cooling System: | Air Cooling |
| Power Source: | AC Power |
| Cylinder Position: | Vertical |
| Samples: |
US$ 2000/unit
1 unit(Min.Order) | |
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| Customization: |
Available
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What is the impact of humidity on compressed air quality?
Humidity can have a significant impact on the quality of compressed air. Compressed air systems often draw in ambient air, which contains moisture in the form of water vapor. When this air is compressed, the moisture becomes concentrated, leading to potential issues in the compressed air. Here’s an overview of the impact of humidity on compressed air quality:
1. Corrosion:
High humidity in compressed air can contribute to corrosion within the compressed air system. The moisture in the air can react with metal surfaces, leading to rust and corrosion in pipes, tanks, valves, and other components. Corrosion not only weakens the structural integrity of the system but also introduces contaminants into the compressed air, compromising its quality and potentially damaging downstream equipment.
2. Contaminant Carryover:
Humidity in compressed air can cause carryover of contaminants. Water droplets formed due to condensation can carry particulates, oil, and other impurities present in the air. These contaminants can then be transported along with the compressed air, leading to fouling of filters, clogging of pipelines, and potential damage to pneumatic tools, machinery, and processes.
3. Decreased Efficiency of Pneumatic Systems:
Excessive moisture in compressed air can reduce the efficiency of pneumatic systems. Water droplets can obstruct or block the flow of air, leading to decreased performance of pneumatic tools and equipment. Moisture can also cause problems in control valves, actuators, and other pneumatic devices, affecting their responsiveness and accuracy.
4. Product Contamination:
In industries where compressed air comes into direct contact with products or processes, high humidity can result in product contamination. Moisture in compressed air can mix with sensitive products, leading to quality issues, spoilage, or even health hazards in industries such as food and beverage, pharmaceuticals, and electronics manufacturing.
5. Increased Maintenance Requirements:
Humidity in compressed air can increase the maintenance requirements of a compressed air system. Moisture can accumulate in filters, separators, and other air treatment components, necessitating frequent replacement or cleaning. Excessive moisture can also lead to the growth of bacteria, fungus, and mold within the system, requiring additional cleaning and maintenance efforts.
6. Adverse Effects on Instrumentation:
Humidity can adversely affect instrumentation and control systems that rely on compressed air. Moisture can disrupt the accuracy and reliability of pressure sensors, flow meters, and other pneumatic instruments, leading to incorrect measurements and control signals.
To mitigate the impact of humidity on compressed air quality, various air treatment equipment is employed, including air dryers, moisture separators, and filters. These devices help remove moisture from the compressed air, ensuring that the air supplied is dry and of high quality for the intended applications.
How do you maintain proper air quality in compressed air systems?
Maintaining proper air quality in compressed air systems is essential to ensure the reliability and performance of pneumatic equipment and the safety of downstream processes. Here are some key steps to maintain air quality:
1. Air Filtration:
Install appropriate air filters in the compressed air system to remove contaminants such as dust, dirt, oil, and water. Filters are typically placed at various points in the system, including the compressor intake, aftercoolers, and before point-of-use applications. Regularly inspect and replace filters to ensure their effectiveness.
2. Moisture Control:
Excessive moisture in compressed air can cause corrosion, equipment malfunction, and compromised product quality. Use moisture separators or dryers to remove moisture from the compressed air. Refrigerated dryers, desiccant dryers, or membrane dryers are commonly employed to achieve the desired level of dryness.
3. Oil Removal:
If the compressed air system utilizes oil-lubricated compressors, it is essential to incorporate proper oil removal mechanisms. This can include coalescing filters or adsorption filters to remove oil aerosols and vapors from the air. Oil-free compressors eliminate the need for oil removal.
4. Regular Maintenance:
Perform routine maintenance on the compressed air system, including inspections, cleaning, and servicing of equipment. This helps identify and address any potential issues that may affect air quality, such as leaks, clogged filters, or malfunctioning dryers.
5. Air Receiver Tank Maintenance:
Regularly drain and clean the air receiver tank to remove accumulated contaminants, including water and debris. Proper maintenance of the tank helps prevent contamination from being introduced into the compressed air system.
6. Air Quality Testing:
Periodically test the quality of the compressed air using appropriate instruments and methods. This can include measuring particle concentration, oil content, dew point, and microbial contamination. Air quality testing provides valuable information about the effectiveness of the filtration and drying processes and helps ensure compliance with industry standards.
7. Education and Training:
Educate personnel working with compressed air systems about the importance of air quality and the proper procedures for maintaining it. Provide training on the use and maintenance of filtration and drying equipment, as well as awareness of potential contaminants and their impact on downstream processes.
8. Documentation and Record-Keeping:
Maintain accurate records of maintenance activities, including filter replacements, drying system performance, and air quality test results. Documentation helps track the system’s performance over time and provides a reference for troubleshooting or compliance purposes.
By implementing these practices, compressed air systems can maintain proper air quality, minimize equipment damage, and ensure the integrity of processes that rely on compressed air.
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Can you explain the basics of air compressor terminology?
Understanding the basic terminology related to air compressors can help in better comprehension of their operation and discussions related to them. Here are some essential terms related to air compressors:
1. CFM (Cubic Feet per Minute): CFM is a unit of measurement that denotes the volumetric flow rate of compressed air. It indicates the amount of air a compressor can deliver within a minute and is a crucial factor in determining the compressor’s capacity.
2. PSI (Pounds per Square Inch): PSI is a unit of measurement used to quantify pressure. It represents the force exerted by the compressed air on a specific area. PSI is a vital specification for understanding the pressure capabilities of an air compressor and determining its suitability for various applications.
3. Duty Cycle: Duty cycle refers to the percentage of time an air compressor can operate in a given time period. It indicates the compressor’s ability to handle continuous operation without overheating or experiencing performance issues. For instance, a compressor with a 50% duty cycle can run for half the time in a given hour or cycle.
4. Horsepower (HP): Horsepower is a unit used to measure the power output of a compressor motor. It indicates the motor’s capacity to drive the compressor pump and is often used as a reference for comparing different compressor models.
5. Receiver Tank: The receiver tank, also known as an air tank, is a storage vessel that holds the compressed air delivered by the compressor. It helps in stabilizing pressure fluctuations, allowing for a more consistent supply of compressed air during peak demand periods.
6. Single-Stage vs. Two-Stage: These terms refer to the number of compression stages in a reciprocating air compressor. In a single-stage compressor, air is compressed in a single stroke of the piston, while in a two-stage compressor, it undergoes initial compression in one stage and further compression in a second stage, resulting in higher pressures.
7. Oil-Free vs. Oil-Lubricated: These terms describe the lubrication method used in air compressors. Oil-free compressors have internal components that do not require oil lubrication, making them suitable for applications where oil contamination is a concern. Oil-lubricated compressors use oil for lubrication, enhancing durability and performance but requiring regular oil changes and maintenance.
8. Pressure Switch: A pressure switch is an electrical component that automatically starts and stops the compressor motor based on the pre-set pressure levels. It helps maintain the desired pressure range in the receiver tank and protects the compressor from over-pressurization.
9. Regulator: A regulator is a device used to control and adjust the output pressure of the compressed air. It allows users to set the desired pressure level for specific applications and ensures a consistent and safe supply of compressed air.
These are some of the fundamental terms associated with air compressors. Familiarizing yourself with these terms will aid in understanding and effectively communicating about air compressors and their functionality.
editor by CX 2023-11-08