Product Description
Model | BW704 | |
Voltage/frequency
|
1.220-230V/50/60Hz 2.100-120V/50/60Hz 3.380-440v/50Hz |
1,3 optional |
Power | KW | 3.12 |
HP | 4 | |
Volume flow | L/min @0MPa | 700 |
L/min @0.7MPa | 220 | |
Pressure | Bar | 8 |
MPa | 0.8 | |
Tank volume | L | 180 |
US gallons | 47.5 | |
Noisy | dB | 60 |
Pressure switch | According to customer’s requirements . | |
Configuration optional
|
1. Add oil and water separator; 2. Add automatic drainer; 3.Air tank against rust spray |
1,2,3 optional |
Size | L*W*H cm | 130*48*92 |
Weight | Kg | 115 |
Packing | Cartons or wooden cases size cm | Wood 132*50*95 |
Typical application | |
For medical devices | Laboratory use |
Dental treatment chair | For chromatographic analyzer |
For qualification analyzer | For woodworking |
For plant gas supply | Hardware and electromechanical |
For automobile maintenance shop |
Why choose CHINAMFG air compressor
1. It saves 10-30% energy than the air compressor produced by ordinary manufacturers.
2. It is widely used in medical oxygen generator and ventilator .
3. A large number of high-speed train and automobile application cases, supporting – 41 to 70 ºC, 0-6000 CHINAMFG above sea level .
4. Medium and high-end quality, with more than 7000 hours of trouble free operation for conventional products and more than 15000 hours of trouble free operation for high-end products.
5. Simple operation, convenient maintenance and remote guidance.
6. Faster delivery time, generally completed within 25 days within 1000 PCs.
Machine Parts
Name: Motor
Brand: COMBESTAIR
Original: China
1.The coil adopts the fine pure copper enameled wire, and the rotor adopts the famous brand silicon steel sheet such as ZheJiang baosteel.
2.The customer can choose the insulation grade B or F motor according to What he wants.
3.The motor has a built-in thermal protector, which can select external heat sensor.
4.Voltage from AC100V ~120V, 200V ~240V, 50Hz / 60Hz, DC6V~200V optional ; AC motor can choose double voltage double frequency ; DC Motor can choose the control of the infinitely variable speed.
Machine Parts
Name: Bearing
Brand: ERB , CHINAMFG , NSK
Original: China ect.
1.Standard products choose the special bearing ‘ERB’ in oil-free compressor, and the environment temperature tolerance from -50ºC to 180 ºC . Ensure no fault operation for 20,000 hours.
2.Customers can select TPI, NSK and other imported bearings according to the working condition.
Machine Parts
Name: Valve plates
Brand: SANDVIK
Original: Sweden
1.Custom the valve steel of Sweden SANDVIK; Good flexibility and long durability.
2.Thickness from 0.08mm to 1.2mm, suitable for maximum pressure from 0.8 MPa to 1.2 MPa.
Machine Parts
Name: Piston ring
Brand: COMBESTAIR-OEM , Saint-Gobain
Original: China , France
1.Using domestic famous brand–Polytetrafluoroethylene composite material; Wear-resistant high temperature; Ensure more than 10,000 hours of service life.
2.High-end products: you can choose the ST.gobain’s piston ring from the American import.
serial number |
Code number | Name and specification | Quantity | Material | Note |
1 | 212571109 | Fan cover | 2 | Reinforced nylon 1571 | |
2 | 212571106 | Left fan | 1 | Reinforced nylon 1571 | |
3 | 212571101 | Left box | 1 | Die-cast aluminum alloy YL104 | |
4 | 212571301 | Connecting rod | 2 | Die-cast aluminum alloy YL104 | |
5 | 212571304 | Piston cup | 2 | PHB filled PTFE | |
6 | 212571302 | Clamp | 2 | Die-cast aluminum alloy YL102 | |
7 | 7050616 | Screw of cross head | 2 | Carbon structural steel of cold heading | M6•16 |
8 | 212571501 | Air cylinder | 2 | Thin wall pipe of aluninun alloy 6A02T4 | |
9 | 17103 | Seal ring of Cylinder | 2 | Silicone rubber | |
10 | 212571417 | Sealing ring of cylinder cover | 2 | Silicone rubber | |
11 | 212571401 | Cylinder head | 2 | Die-cast aluminum alloy YL102 | |
12 | 7571525 | Screw of inner hexagon Cylinder head | 12 | M5•25 | |
13 | 17113 | Sealing ring of connecting pipe | 4 | Silicong rubber | |
14 | 212571801 | Connecting pipe | 2 | Aluminum and aluminum alloy connecting rod LY12 | |
15 | 7100406 | Screw of Cross head | 4 | 1Cr13N19 | M4•6 |
16 | 212571409 | Limit block | 2 | Die-cast aluminum alloy YL102 | |
17 | 000402.2 | Air outlet valve | 2 | 7Cr27 quenching steel belt of The Swedish sandvik | |
18 | 212571403 | valve | 2 | Die-cast aluminum alloy YL102 | |
19 | 212571404 | Air inlet valve | 2 | 7Cr27 quenching steel belt of The Swedish sandvik | |
20 | 212571406 | Metal gasket | 2 | Stainless steel plate of heat and acidresistance | |
21 | 212571107 | Right fan | 1 | Reinforced nylon 1571 | |
22 | 212571201 | Crank | 2 | Gray castiron H20-40 | |
23 | 14040 | Bearing 6006-2Z | 2 | ||
24 | 70305 | Tighten screw of inner hexagon flat end | 2 | M8•8 | |
25 | 7571520 | Screw of inner hexagon Cylinder head | 2 | M5•20 | |
26 | 212571102 | Right box | 1 | Die-cast aluminum alloy YL104 | |
27 | 6P-4 | Lead protective ring | 1 | ||
28 | 7095712-211 | Hexagon head bolt | 2 | Carbon structural steel of cold heading | M5•152 |
29 | 715710-211 | Screw of Cross head | 2 | Carbon structural steel of cold heading | M5•120 |
30 | 16602 | Light spring washer | 4 | ø5 | |
31 | 212571600 | Stator | 1 | ||
32 | 70305 | Lock nut of hexagon flange faces | 2 | ||
33 | 212571700 | Rotor | 1 | ||
34 | 14032 | Bearing 6203-2Z | 2 |
FAQ
Q1: Are you factory or trade company?
A1: We are factory.
Q2: What the exactly address of your factory?
A2: Our factory is located in Linbei industrial area No.30 HangZhou City of ZHangZhoug Province, China
Q3: Warranty terms of your machine?
A3: Two years warranty for the machine and technical support according to your needs.
Q4: Will you provide some spare parts of the machines?
A4: Yes, of course.
Q5: How long will you take to arrange production?
A5: Generally, 1000 pcs can be delivered within 25 days
Q6: Can you accept OEM orders?
A6: Yes, with professional design team, OEM orders are highly welcome
Q7:Can you accept non-standard customization?
A7:We have the ability to develop new products and can customize, develop and research according to your requirements
After-sales Service: | Remote Guided Maintenance |
---|---|
Warranty: | 2 Years |
Principle: | Mixed-Flow Compressor |
Application: | Back Pressure Type, Intermediate Back Pressure Type, High Back Pressure Type, Low Back Pressure Type |
Performance: | Low Noise, Variable Frequency, Explosion-Proof |
Mute: | Mute |
Samples: |
US$ 630/Piece
1 Piece(Min.Order) | |
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Customization: |
Available
|
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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.
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.
How does an air compressor work?
An air compressor works by using mechanical energy to compress and pressurize air, which is then stored and used for various applications. Here’s a detailed explanation of how an air compressor operates:
1. Air Intake: The air compressor draws in ambient air through an intake valve or filter. The air may pass through a series of filters to remove contaminants such as dust, dirt, and moisture, ensuring the compressed air is clean and suitable for its intended use.
2. Compression: The intake air enters a compression chamber, typically consisting of one or more pistons or a rotating screw mechanism. As the piston moves or the screw rotates, the volume of the compression chamber decreases, causing the air to be compressed. This compression process increases the pressure and reduces the volume of the air.
3. Pressure Build-Up: The compressed air is discharged into a storage tank or receiver where it is held at a high pressure. The tank allows the compressed air to be stored for later use and helps to maintain a consistent supply of compressed air, even during periods of high demand.
4. Pressure Regulation: Air compressors often have a pressure regulator that controls the output pressure of the compressed air. This allows the user to adjust the pressure according to the requirements of the specific application. The pressure regulator ensures that the compressed air is delivered at the desired pressure level.
5. Release and Use: When compressed air is needed, it is released from the storage tank or receiver through an outlet valve or connection. The compressed air can then be directed to the desired application, such as pneumatic tools, air-operated machinery, or other pneumatic systems.
6. Continued Operation: The air compressor continues to operate as long as there is a demand for compressed air. When the pressure in the storage tank drops below a certain level, the compressor automatically starts again to replenish the compressed air supply.
Additionally, air compressors may include various components such as pressure gauges, safety valves, lubrication systems, and cooling mechanisms to ensure efficient and reliable operation.
In summary, an air compressor works by drawing in air, compressing it to increase its pressure, storing the compressed air, regulating the output pressure, and releasing it for use in various applications. This process allows for the generation of a continuous supply of compressed air for a wide range of industrial, commercial, and personal uses.
editor by CX 2023-10-04