Product Description
BK series Screw Air Compressor Instruction:
The CHINAMFG (BK) series compressor represent a giant leap in design and performance with each component designed for reliability and ease of maintenance. The compressor is manufactured in compliance with applicable international standards CE,IAF and others and designed as per the international quality standards. These new generation compressor significantly reduce operating costs and provide cost savings with fast return on investment.
The BK series industrial screw air compressor comes configured as belt driven (11kw – 18.5kw), optional gear driven, direct driven(7.5kw – 132kw) with discharge pressures from 0.8MPa to 1.3MPa. And can variable frequency.
Product Application
Rotors are the key elements in producing compressed air efficiently. CHINAMFG airends utilize a male 5 lobe rotor driving rotor and a 6 lobe female rotor(driven rotor).These state of the art Y profile rotors were introduced in the LG series compressor.
They have the following characteristics:
1.Larger rotors are designed to ensure the airends have slower rotor speeds to deliver compressed air more efficiently than smaller airends
2.This translates into energy cost savings and a longer unit life.
3.The airends are guaranteed for 3 years. The rotor profile minimizes leakage and the tighter clearances achieved through state of the art manufacturing processes results in higher.
4.efficiency and improved lubrication.
Main Features
Fully seal & double screw,dual shock proof,smooth operation,can be installed anywhere.
♦ With a exquisite shape and compact structure and cover a small area.
♦ Large displacement,stable pressure and high efficiency.
♦ Low exhaust temperature (only 7 °C~10°C higher than the ambient temperature)
♦ Safe,liable,smooth operation,little noise and long maintenance cycle and using life.
♦ The intelligent control system completely satisfy the continuous cooperation without man work.
♦ Many screw air compressors operate together and start or shut down automatically according to the air amount,and no man-work is needed.
♦ It is more energy saving for a single compressor can adjust air demand automatically according to the users’ air amount(frequency conversion type).
♦ The degree of tightness of the belt can be auto-matched with the flexible belt. Through adjusting the tensility, the loss of the pressure and efficiency can be reduced to the lowest point and increase the time efficiency of pressing.
♦ Narrow belt has higher transmission power with efficiency of about 98%.the structure can reduce internal heat and prevent aging. It enjoy Longer service life and much lower stretch ability.
Economic operation
The system adopts stepless capacity regulation of 0-100%. When the gas consumption is reduced, exhaust volume decreases, the motor current decreases at the same time; when no gas, air compressor run empty, empty for too long the automatic shutdown. When the gas consumption increases, the resumption of heavy truck. Energy-saving effect is optimal.
Good environment adaptability
Design of cooling system of extraordinary, especially suitable for high temperature, high humidity environment in Asia. Vibration and noise reduction measures excellent, make CHINAMFG brand screw air compressor installation without special foundation, just leave the minimum ventilation and maintenance space, can arrange your compressor.
Parameter for BK series Screw Air Compressor
| Model | Air capacity | Discharge pressure | Motor Power | Outlet Size | Noise level | Weight | drive type | Dimension | ||
| m3/min | CFM | Mpa | Kw | HP | inch | dB(A) | KG | belt/direct | ( Lx WxH ) mm | |
| BK7.5-8G | 1.2 | 42 | 0.8 | 7.5 | 10 | G1 | 72 | 200 | direct | 800x620x800 |
| BK7.5G-8 | 1.2 | 42 | 0.8 | 7.5 | 10 | G1 | 72 | 200 | direct | 800x620x800 |
| BK11-8 | 1.7 | 59.5 | 0.8 | 11 | 15 | G1 | 72 | 290 | belt | 700x670x1250 |
| BK11-10 | 1.5 | 52.5 | 1 | 11 | 15 | G1 | ||||
| BK11-13 | 1.2 | 42 | 1.3 | 11 | 15 | G1 | ||||
| BK11-8G | direct | |||||||||
| BK15-8 | 2.4 | 84 | 0.8 | 15 | 20 | G1 | 72 | 290 | belt | 700x670x1250 |
| BK15-10 | 2.2 | 77 | 1 | 15 | 20 | G1 | ||||
| BK15-13 | 1.7 | 59.5 | 1.3 | 15 | 20 | G1 | ||||
| BK15-8G | 2.4 | 84 | 0.8 | 15 | 20 | G1 | direct | |||
| BK18-8G | 3 | 105 | 0.8 | 18.5 | 25 | G1 | 75 | 500 | direct | 1080 x880 x1235 |
| BK18-10G | 2.7 | 94.5 | 1 | 18.5 | 25 | G1 | ||||
| BK22-8ZG | 3.6 | 126 | 0.8 | 22 | 30 | G1 | 76 | 560 | direct | 1410*850*1120 |
| BK22-10G | 3.2 | 112 | 1 | 22 | 30 | G1 | ||||
| BK22-13G | 2.7 | 94.5 | 1.3 | 22 | 30 | G1 | ||||
| BK30-8G | 5 | 175 | 0.8 | 30 | 41 | G1 1/2 | 77 | 650 | direct | 1120x930x1290 |
| BK30-10G | 4.4 | 154 | 1 | 30 | 41 | G1 1/2 | ||||
| BK30-13G | 3.6 | 126 | 1.3 | 30 | 41 | G1 1/2 | ||||
| BK37-8ZG | 6 | 210 | 0.8 | 37 | 50 | G1 1/2 | 79 | 740 | direct | 1530*900*1230 |
| BK37-10G | 5.5 | 192.5 | 1 | 37 | 50 | G1 1/2 | ||||
| BK37-13G | 4.6 | 161 | 1.3 | 37 | 50 | G1 1/2 | ||||
| BK45-8 | 7.1 | 248.5 | 0.8 | 45 | 61.2 | G1 1/2 | 79 | 820 | belt | 1240 x1030 x 1595 |
| BK45-10 | 6.5 | 227.5 | 1 | 45 | 61.2 | G1 1/2 | 79 | 820 | ||
| BK45-13 | 5.6 | 196 | 1.3 | 45 | 61.2 | G1 1/2 | 79 | 820 | ||
| BK55-8 | 9.5 | 332.5 | 0.8 | 55 | 74.8 | G1 1/2 | 80 | 1200 | belt | 1540 x 1200 x 1470 |
| BK55-10 | 8.5 | 297.5 | 1 | 55 | 74.8 | G1 1/2 | 80 | 1200 | ||
| BK55-13 | 7.4 | 259 | 1.3 | 55 | 74.8 | G1 1/2 | 80 | 1200 | ||
| BK45-8GH | 7.1 | 248.5 | 0.8 | 45 | 61.2 | G1 1/4 | 78 | 970 | direct | 1700 x 1050 x 1255 |
| BK55-8GH | 10 | 350 | 0.8 | 55 | 74.8 | G1 1/2 | 80 | 1180 | 1790 x 1150 x 1360 | |
| BK75-8GH | 13 | 455 | 0.8 | 75 | 102 | G2 | 81 | 1470 | 2000 x 1200 x 1500 | |
| BKL90-8GH | 16 | 560 | 0.8 | 90 | 122.4 | G2 | 81 | 1520 | ||
| BK110-8GH | 20 | 700 | 0.8 | 110 | 149.6 | DN65 | 82 | 2210 | 2410×1300 x1670 | |
| BKL132-8GH | 22 | 770 | 0.8 | 132 | 179.52 | DN65 | 82 | 2370 | ||
| BK110-8T | 20 | 700 | 0.8 | 110 | 149.6 | DN65 | 82 | 2210 | 2410×1300 x1670 | |
| BKL132-8T | 22 | 770 | 0.8 | 132 | 179.52 | DN65 | 82 | 2370 | ||
Living producing status in workshop:
The package for compressor:
About CHINAMFG Group:
KAISHAN Group is located in HangZhou City ZHangZhoug Province, which covers an area of 514,800 square CHINAMFG with total assets of 1 billion dollars. There are more 6000 staffs, including 1075 technicians serving for this group company.
ZHangZhoug CHINAMFG Compressor Co., Ltd. is the largest compressor and pneumatic tools manufacturer in China. In year 2571 it produced and delivered a total amount of 27,000pcs screw compressors units and 200,000pcs piston compressors units for domestic and oversea marketing.
KAISHAN compressor has a complete vertical integrated production line from foundry plant, air head plant, air receiver plant, sheet metal plant, heat exchanger plant to the final unit and system assembling plant.
We are over 50 years professional manufacturer of air compressor and drilling tools and we are approved with CE, ISO9001, ISO14001, ASME, GC Energy saving certificate etc.
FAQ Collection:
Q1: Are you factory or trade company?
A1: We are factory. And we have ourselves trading company.
Q2: What the exactly address of your factory?
A2: Our factory is located in No.9 Kaixuan Ave West,Economic Zone HangZhou, ZHangZhoug, China
Q3: Warranty terms of your machine?
A3: One year 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: What about the voltage of products? Can they be customized?
A5: Our standard voltage is 380V, 50HZ, 3phase. The voltage can be customized according to your equirement.
Q6: Which payment term can you accept?
A6: 30% T/T in advanced, 70% T/T against the B/L copy.
Q7: How long will you take to arrange production?
A7: we can delivery the normal goods within 7-15 days. Other nonstandard electrical items we will delivery within 25-30 days.
Q8: Can you accept OEM orders?
A8: Yes, with professional design team, OEM orders are highly welcome.
Q9: Which trade term can you accept?
A9: Available trade terms: FOB, CIF, CFR, EXW, CPT, etc.
| After-sales Service: | one year |
|---|---|
| Warranty: | 6 months |
| Lubrication Style: | Lubricated |
| Cooling System: | Air Cooling |
| Power Source: | AC Power |
| Cylinder Position: | Vertical |
| Samples: |
US$ 1640/Piece
1 Piece(Min.Order) | |
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| Customization: |
Available
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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.
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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.
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What are the different types of air compressors?
There are several different types of air compressors, each with its own unique design and operating principle. Here’s an overview of the most commonly used types:
1. Reciprocating Air Compressors: Reciprocating air compressors, also known as piston compressors, use one or more pistons driven by a crankshaft to compress air. They operate by drawing air into a cylinder, compressing it with the piston’s up-and-down motion, and discharging the compressed air into a storage tank. Reciprocating compressors are known for their high pressure capabilities and are commonly used in industrial applications.
2. Rotary Screw Air Compressors: Rotary screw air compressors utilize two interlocking screws to compress air. As the male and female screws rotate, the air is trapped between them and gradually compressed as it moves along the screw threads. These compressors are known for their continuous duty cycle, high efficiency, and quiet operation. They are widely used in industrial, commercial, and automotive applications.
3. Centrifugal Air Compressors: Centrifugal air compressors rely on the principle of centrifugal force to compress air. They use a high-speed impeller to accelerate the incoming air and then convert the kinetic energy into pressure energy. Centrifugal compressors are commonly used in large-scale industrial applications that require high volumes of compressed air.
4. Rotary Vane Air Compressors: Rotary vane air compressors employ a rotor with sliding vanes that compress the air. As the rotor rotates, the vanes slide in and out of the rotor, creating compression chambers. Air is drawn in, trapped, and compressed as the vanes move. These compressors are compact, reliable, and suitable for small to medium-sized applications.
5. Axial Flow Air Compressors: Axial flow air compressors are primarily used in specialized applications such as aircraft engines and gas turbines. They utilize a series of rotating and stationary blades to compress air in a continuous flow. Axial flow compressors are known for their high flow rates and are designed for applications that require large volumes of compressed air.
6. Scroll Air Compressors: Scroll air compressors consist of two interlocking spirals or scrolls that compress the air. One spiral remains stationary while the other orbits around it, creating a series of expanding and contracting pockets that compress the air. Scroll compressors are compact, reliable, and commonly used in applications where low noise and oil-free air are required, such as medical and dental equipment.
These are just a few examples of the different types of air compressors available. Each type has its own advantages, capabilities, and ideal applications. The choice of air compressor depends on factors such as required pressure, flow rate, duty cycle, noise level, oil-free operation, and specific application requirements.
editor by CX 2023-11-10