Product Description
Oil Free Scroll Electric truck Vehicles Bus Cars Air Compressor
Technical parameters:
| Technical parameters | |||
| Model | LD20571 | LD30030 | LD40040 |
| Type of motor | Permanent magnet synchronous AC motor | ||
| Rated power (KW) | 2.7 | 3 | 3.7 |
| The input power | AC380V/3phase | AC380V/3phase | AC380V/3phase |
| Rated speed (r/min) | 2650 | 2650 | 2850 |
| Start mode | Direct start without engine | ||
| Air flow (m3 / min / 0.8mpa) | 0.25 | 0.3 | 0.35 |
| Rated work pressure (Mpa) | 1.0 | 1.0 | 1.0 |
| Maximum output pressure (Mpa) | ≤1.2 | ≤1.2 | ≤1.2 |
| Relief valve open pressure (Mpa) | 1.21 | 1.21 | 1.21 |
| Gas oil content (PPM) | 0 | 0 | 0 |
| Compressed host cooling mode | Mechanical one-piece forced air cooling | ||
| Exhaust air temperature | <70ºC | <70ºC | <70ºC |
| Protection level of the whole machine | IP 68 | IP 68 | IP 68 |
| Noise (dB) | 74db | 75db | 75db |
| The host working environment temperature ( ºC ) | -30ºC~50ºC | -30ºC~50ºC | -30ºC~50ºC |
| Temperature sensor | built-in | built-in | built-in |
| Check valve | built-in | built-in | built-in |
| Dimensions (length x width x height) | 452x367x355 | 452x367x355 | 452x367x355 |
| Weight (Kg) | 34(including backplane) | 34(including backplane) | 34(including backplane) |
| Applicable models | 5 tons truck / 8 m below bus |
8 tons truck / 8.5 m below bus |
heavy card / 12m above bus |
Oil Free Scroll Mini Electric Bus Vehicles Bus Cars Air Compressor
Oil free scrollcompression is realized by rotational motion of static plate and moving plate.
The air is sucked in from the suction port at the outside of the fixed scroll. The air enclosed in the confined space is compressed towards the center when the compression chamber is becoming smaller due to the rotation movement. The compressed space becomes smallest at the center, and the air compressed to the highest limit is discharged out from the central exhaust port. The movement Figure 1-4 (Suction-Compression-Exhaust) is repeated thereby to produce compressed air without pulsation.
A reliable, high quality compressed air source is a significant part in the whole range of applications on vehicles, such as New Energy Vehicles, Electric Buses, Electric Vehicles, the EMU, Subway and Light Rail Vehicles. CHINAMFG vehicle-mounted scroll oil-free air compressor, the ideal air supply equipment for various of vehicles and rail vehicles, including Pneumatic Brake Systems, Air suspension Systems, Door Operation, Pneumatic wiper systems, Pantograph lifting, etc.
Features of Portable Pump Cars Compressor
1,GUARANTEED 100% OIL FREE OPERATION -The scroll compressor requires no lubrication, so it does not have lubricating oil replace and reducing cost of unnecessary space parts that gas separator core, oil filters, which the contribute to inefficiencies as piston-type compressors do, it gives you the following benefits:
• Reliability -Compressed air system without oil and hydrocarbon pollution, extending the valve and cylinder fittings and other parts service life;
• Maintenance-free-Completely solve the problem of lubricating oil emulsification for compressors, eliminating the issue of machine performance that aiming at the cause of lubricating oil temperature;
• Economy-There is no risk of oil leakage, so It does not require a centralized processing and additional treatment for the condensate that benefit to environmental protection.
We are specialized in providing compressed air products and solution to our customers all over the world.
Leadway factory
Leadway in fair
Leadway Certificate
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What are the differences between stationary and portable air compressors?
Stationary and portable air compressors are two common types of air compressors with distinct features and applications. Here are the key differences between them:
1. Mobility:
The primary difference between stationary and portable air compressors is their mobility. Stationary air compressors are designed to be permanently installed in a fixed location, such as a workshop or a factory. They are typically larger, heavier, and not easily movable. On the other hand, portable air compressors are smaller, lighter, and equipped with handles or wheels for easy transportation. They can be moved from one location to another, making them suitable for jobsites, construction sites, and other mobile applications.
2. Power Source:
Another difference lies in the power source used by stationary and portable air compressors. Stationary compressors are usually powered by electricity, as they are designed for continuous operation in a fixed location with access to power outlets. They are connected to the electrical grid or have dedicated wiring. In contrast, portable compressors are available in various power options, including electric, gasoline, and diesel engines. This versatility allows them to operate in remote areas or sites without readily available electricity.
3. Tank Capacity:
Tank capacity is also a distinguishing factor between stationary and portable air compressors. Stationary compressors often have larger storage tanks to store compressed air for extended periods. The larger tanks enable them to deliver a continuous and steady supply of compressed air for longer durations without the need for frequent cycling. Portable compressors, due to their compact size and portability, generally have smaller tank capacities, which may be sufficient for intermittent or smaller-scale applications.
4. Performance and Output:
The performance and output capabilities of stationary and portable air compressors can vary. Stationary compressors are typically designed for high-volume applications that require a consistent and continuous supply of compressed air. They often have higher horsepower ratings, larger motor sizes, and higher air delivery capacities. Portable compressors, while generally offering lower horsepower and air delivery compared to their stationary counterparts, are still capable of delivering sufficient air for a range of applications, including pneumatic tools, inflation tasks, and light-duty air-powered equipment.
5. Noise Level:
Noise level is an important consideration when comparing stationary and portable air compressors. Stationary compressors, being larger and built for industrial or commercial settings, are often equipped with noise-reducing features such as sound insulation and vibration dampening. They are designed to operate at lower noise levels, which is crucial for maintaining a comfortable working environment. Portable compressors, while efforts are made to reduce noise, may produce higher noise levels due to their compact size and portability.
6. Price and Cost:
Stationary and portable air compressors also differ in terms of price and cost. Stationary compressors are generally more expensive due to their larger size, higher power output, and industrial-grade construction. They often require professional installation and may involve additional costs such as electrical wiring and system setup. Portable compressors, being smaller and more versatile, tend to have a lower upfront cost. They are suitable for individual users, contractors, and small businesses with budget constraints or flexible air supply needs.
When selecting between stationary and portable air compressors, it is essential to consider the specific requirements of the intended application, such as mobility, power source availability, air demands, and noise considerations. Understanding these differences will help in choosing the appropriate type of air compressor for the intended use.
What is the impact of altitude on air compressor performance?
The altitude at which an air compressor operates can have a significant impact on its performance. Here are the key factors affected by altitude:
1. Decreased Air Density:
As altitude increases, the air density decreases. This means there is less oxygen available per unit volume of air. Since air compressors rely on the intake of atmospheric air for compression, the reduced air density at higher altitudes can lead to a decrease in compressor performance.
2. Reduced Airflow:
The decrease in air density at higher altitudes results in reduced airflow. This can affect the cooling capacity of the compressor, as lower airflow hampers the dissipation of heat generated during compression. Inadequate cooling can lead to increased operating temperatures and potential overheating of the compressor.
3. Decreased Power Output:
Lower air density at higher altitudes also affects the power output of the compressor. The reduced oxygen content in the air can result in incomplete combustion, leading to decreased power generation. As a result, the compressor may deliver lower airflow and pressure than its rated capacity.
4. Extended Compression Cycle:
At higher altitudes, the air compressor needs to work harder to compress the thinner air. This can lead to an extended compression cycle, as the compressor may require more time to reach the desired pressure levels. The longer compression cycle can affect the overall efficiency and productivity of the compressor.
5. Pressure Adjustments:
When operating an air compressor at higher altitudes, it may be necessary to adjust the pressure settings. As the ambient air pressure decreases with altitude, the compressor's pressure gauge may need to be recalibrated to maintain the desired pressure output. Failing to make these adjustments can result in underinflated tires, improper tool performance, or other issues.
6. Compressor Design:
Some air compressors are specifically designed to handle higher altitudes. These models may incorporate features such as larger intake filters, more robust cooling systems, and adjusted compression ratios to compensate for the reduced air density and maintain optimal performance.
7. Maintenance Considerations:
Operating an air compressor at higher altitudes may require additional maintenance and monitoring. It is important to regularly check and clean the intake filters to ensure proper airflow. Monitoring the compressor's operating temperature and making any necessary adjustments or repairs is also crucial to prevent overheating and maintain efficient performance.
When using an air compressor at higher altitudes, it is advisable to consult the manufacturer's guidelines and recommendations specific to altitude operations. Following these guidelines and considering the impact of altitude on air compressor performance will help ensure safe and efficient operation.
What is the purpose of an air compressor?
An air compressor serves the purpose of converting power, typically from an electric motor or an engine, into potential energy stored in compressed air. It achieves this by compressing and pressurizing air, which can then be used for various applications. Here's a detailed explanation of the purpose of an air compressor:
1. Powering Pneumatic Tools: One of the primary uses of an air compressor is to power pneumatic tools. Compressed air can be used to operate a wide range of tools, such as impact wrenches, nail guns, paint sprayers, sanders, and drills. The compressed air provides the necessary force and energy to drive these tools, making them efficient and versatile.
2. Supplying Clean and Dry Air: Air compressors are often used to supply clean and dry compressed air for various industrial processes. Many manufacturing and production operations require a reliable source of compressed air that is free from moisture, oil, and other contaminants. Air compressors equipped with appropriate filters and dryers can deliver high-quality compressed air for applications such as instrumentation, control systems, and pneumatic machinery.
3. Inflating Tires and Sports Equipment: Air compressors are commonly used for inflating tires, whether it's for vehicles, bicycles, or sports equipment. They provide a convenient and efficient method for quickly filling tires with the required pressure. Air compressors are also used for inflating sports balls, inflatable toys, and other similar items.
4. Operating HVAC Systems: Air compressors play a crucial role in the operation of heating, ventilation, and air conditioning (HVAC) systems. They provide compressed air for controlling and actuating dampers, valves, and actuators in HVAC systems, enabling precise regulation of air flow and temperature.
5. Assisting in Industrial Processes: Compressed air is utilized in various industrial processes. It can be used for air blow-off applications, cleaning and drying parts, powering air-operated machinery, and controlling pneumatic systems. Air compressors provide a reliable and efficient source of compressed air that can be tailored to meet the specific requirements of different industrial applications.
6. Supporting Scuba Diving and Breathing Systems: In scuba diving and other breathing systems, air compressors are responsible for filling diving tanks and supplying breathable air to divers. These compressors are designed to meet strict safety standards and deliver compressed air that is free from contaminants.
Overall, the purpose of an air compressor is to provide a versatile source of compressed air for powering tools, supplying clean air for various applications, inflating tires and sports equipment, supporting industrial processes, and facilitating breathing systems in specific contexts.
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editor by lmc 2024-11-04
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