China High Quality High Temperature Air Evaporative Cooler Is Used in Cold Room/Storage

Product Description

China high quality and energy efficient cooling fan condenser air cooler

Floor standing air cooled evaporator
1. MOQ:1PCS 
2.Payment:30% TT in advance .70% against the B/L copy
3. Port of loading: HangZhou port
4:Delivery time:25 working days

DL DD DJ  series for your choice
DL : High temperature for -5°C preservation cold room;
DD : Medium temperature for about -18°C cold storage;
DJ : Low temperature for -35°C frozen storage;

Application fields: Biology, industry, military, food, florist, farming, medicine, logistics, hospitality, and food processing.

DL condoIe type air cooIer technoIogy parameteers

Model Refigeating   capacity NominaI area  VoIume Iniet/Outet tube of    refrigerant parameters of fan EIetrothermaI defrosting
Quantity Diameter of fan VoItage Power Air voIume Range Defrosting power      of fins Power of     defrosting   pan
L mm mm V m³/h m W W
DL-2/10 2000 10 1.4 12/19 1 300 380/220 75 1563 8 600 600
DL-4.3/20 4260 20 2.7 12/19 2 300 380/220 2*75 3126 8 2400 1200
DL-6.2/30 6200 30 3.5 12/19 2 350 380/220 2*140 4580 8 2400 1200
DL-8.2/40 8200 40 5.8 16/22 2 400 380/220 2*180 6800 10 2400 1200
DL-12.3/60 12300 60 7.6 16/22 2 400 380/220 2*180 6800 10 3000 1500
DL-16.4/80 16400 80 10.1 19/32 2 500 380 2*414 12000 15 3000 1500
DL-21.5/105 21500 105 13.5 19/40 2 500 380 2*414 12000 15 4500 1500
DL-27.6/125 27600 125 17.3 25/40 3 500 380 3*414 18000 15 6000 2000
DL-32.8/160 32800 160 19.6 25/40 3 500 380 3*414 18000 15 6000 2000
DL-37.9/185 37900 185 22.7 25/48 4 500 380 4*414 24000 15 7200 2400
DL-42.9/210 42900 210 25.8 25/48 4 500 380 4*414 24000 15 7200 2400
DL-53.3/260 53300 260 32.2 25/50 4 500 380 4*414 24000 15 9600 2400
DL-69.4/340 69400 340 41.9 28/54 4 550 380 4*600 32000 15 12000 2400
DL-83.6/410 83600 410 51.6 28/54 4 600 380 4*780 36000 15 19200 2400

DD condoIe type air cooIer technoIogy parameteers

Model Refigeating   capacity NominaI area  VoIume Iniet/Outet tube of    refrigerant parameters of fan EIetrothermaI defrosting
Quantity Diameter of fan VoItage Power Air voIume Range Defrosting power      of fins Power of     defrosting   pan
L mm mm V m³/h m W W
DD-12.7 1225 7 1.4 12/19 1 300 380/220 75 1563 8 1800 600
DD-28/15 2825 15 2.7 12/19 2 300 380/220 2*75 3126 8 2400 1200
DD-3.7/22 3700 22 3.5 12/19 2 350 380/220 2*140 4580 8 2400 1200
DD-5.3/30 5300 30 5.8 16/22 2 400 380/220 2*180 6800 10 2400 1500
DD-7.0/40 7000 40 7.6 16/22 2 400 380/220 2*180 6800 10 3000 1500
DD-11.2/60 11200 60 10.1 19/32 2 500 380 2*414 12000 15 6000 1500
DD-14.9/80 14900 80 13.5 19/40 2 500 380 2*414 12000 15 6000 4000
DD-18.7/100 18700 100 17.3 25/40 3 500 380 3*414 18000 15 8000 4000
DD-22.3/120 22300 120 19.6 25/40 3 500 380 3*414 18000 15 8000 4800
DD-26.2/140 26200 140 22.7 25/48 4 500 380 4*414 24000 15 9600 4800
DD-29.8/160 29800 160 25.8 25/48 4 500 380 4*414 24000 15 9600 4800
DD-37.2/200 37200 200 32.2 25/50 4 500 380 4*414 24000 15 12000 4800
DD-48.4/255 48400 250 41.9 28/54 4 550 380 4*600 32000 15 16800 4800
DD-57.9/310 57900 310 51.6 28/54 4 600 380 4*780 36000 15 21600 4800

DJ condoIe type air cooIer technoIogy parameteers

Model Refigeating   capacity NominaI area  VoIume Iniet/Outet tube of    refrigerant parameters of fan EIetrothermaI defrosting
Quantity Diameter of fan VoItage Power Air voIume Range Defrosting power      of fins Power of     defrosting   pan
L mm mm V m³/h m W W
DJ-1.7/10 1700 10 2.7 12/19 1 300 380/220 75 3126 8 2400 1200
DJ-2.6/15 2625 15 3.5 12/19 2 350 380/220 2*75 4580 8 2400 1200
DJ-3.4/20 3400 20 5.8 12/19 2 400 380/220 2*140 6800 8 2400 1200
DJ-5.1/30 5100 30 7.6 16/22 2 400 380/220 2*180 6800 10 3000 1500
DJ-6.8/40 6800 40 10.1 16/22 2 500 380/220 2*180 12000 10 6000 1500
DJ-8.9/55 8900 55 13.5 19/32 2 500 380 2*414 12000 15 6000 1500
DJ-11.6/75 11600 70 17.3 19/40 2 500 380 2*414 18000 15 8000 4000
DJ-14.3/85 14300 85 19.6 25/40 3 500 380 3*414 18000 15 8000 4000
DJ-17.9/105 17900 105 22.7 25/40 3 500 380 3*414 24000 15 9600 4800
DJ-19.6/115 19600 115 25.8 25/48 4 500 380 4*414 24000 15 9600 4800
DJ-23.9/140 23900 140 32.2 25/48 4 500 380 4*414 24000 15 12000 4800
DJ-28.9/170 28900 170 41.9 25/50 4 550 380 4*600 32000 15 16800 4800
DD-35.8/210 35800 210 51.6 28/54 4 600 380 4*780 40000 15 21600 4800

DL Type is used for more than a cold storage temperature is -5 DEG C, cooling capacity range 2.25~200KW
DD Type is used for cold storage temperature higher than -18 DEG C, cooling capacity range 1.5~200KW
DJ Type is used for cold storage temperature lower than -35 DEG C, cooling capacity range 1.2~200KW

 
Features:
High efficiency staggered fin pattern design
Optimized sine waved fin for high performance
Internal grooved tube for higher heat exchanger efficiency
Optimized circuiting for better evaporation
Optimized air flow to reach max. Capacity
Robust,state-of-the-art sheet metal design
Casing with white coating for corrosion protection
Dual drip tray design to avoid water condensation
Fin spacing optional for specific application
Dual fin spacing design is available for min. Frost
Tailor made unit cooler is available for special application
Specific fan motor for low temp. application, higher air flow, higher air throw
Optional defrost available (Electric, water & hot gas defrost)
Imported brand e-heaters applied for defrost
Distributor support design to avoid unexpected vibration
Special “Floating Tube” design for large unit cooler
SS or Al casing is available for certain models
Air jet for longer air throw is available for certain models
Available for CO2-DX unit cooler up to 40 bar
Provide customized brine air cooler
Technical Data

Product features:
1:RFJ air cooler sheet metal pasrt series all use hydraulic or hydraulic punch one-time punched,good appearance,strength structure.
2:Sheet metal parts are crimped aluminum,spay plate,stainless steel plate can be choosed.
3:Use strong insulating U tubular heater pipe,short defrosting time,high efficiency,also can according customer’s request to choose the water defrosting or hot freon defrosting.
4:Coil pipe use the thickness cooper tube,improve the service life,aluminum fin use hign efficiency aluminum sheet,through the pipe expansion and impinges on the cooper tube,the effect of heat transfer increase to the top.
5:Using hign efficiency fan,big air volume,far range,low noise,low power consumption,long service life,hign reliability.
6:Product all through the holding pressure filling nitrogen before product leave the factory

RFJ cold storage is widely used in food, supermarkets, hotels, aquatic products, pharmaceutical, biological, chemical, industrial and mining enterprises and other industries.It can be customized according to customer requirements and library features, the constant pursuit of excellence, has the ability to meet the special requirements of customers, to win customer satisfaction. In the past 2 years, the brand awareness has improved rapidly, the products exported to spread all over the world, and best-selling overseas.

Application:
1, textile, machinery, ceramics, fine chemicals, metallurgy, glass, metal, leather and other manufacturing industries;
2, electroplating, electronics, footwear, printing, plastics, clothing, printing, packaging, food processing industry;
3, hospitals, waiting rooms, schools, waiting rooms, supermarkets, laundry room;
Cooler instance, click to enlarge
1, kitchen, vegetable market, a large entertainment center, underground parking, railway stations and other public places; greenhouse, flowers, poultry, CZPT and other types of farms;
2, the existing air conditioning and blower equipment modification and installation.
3, the requirements of high humidity places (such as textiles, planting, etc.), can be part of the interior installation design.
4, the requirements of low humidity, low humidity and high cleanliness of the place, please carefully consider the suitability of use.

 

Choosing an Air Compressor

Considering a new Air Compressor? Here are some tips to make the decision easier. Learn the pros and cons of each type, including the differences between oil-injected and oil-free models, single stage and positive displacement. In addition, learn more about the different technologies that are available for your air compressor. It is important to choose an appropriate unit for the type of work you do. Here are some of the best compressors available today.
air-compressor

Positive displacement

There are several different types of air compressors, but most are positive displacement air compressors. They use a rotary or reciprocating component to compress air. The reciprocating component compresses air by reducing the volume of the chamber. Positive displacement compressors are used in bicycle pumps, chemical plants, and refrigerators. Positive displacement air compressors use multiple inlet ports. Despite the various types, the principle of operation remains the same.
Another type of positive displacement air compressor is a reciprocating piston. The piston inside a cylinder moves up and down, causing the compressed air to fill the upper part of the cylinder. These air compressors are used in a variety of different applications, including blowing bottles and gas pipelines. These air compressors can be water-cooled, lubricated, or non-lubricated. Different types have different capacities and air pressures.
A positive displacement flowmeter uses a rotating chamber that divides continuous fluid into discrete portions. The number of times the chamber is filled and discharged can be used to estimate the flow rate. The rotation speed of the measuring chamber is directly proportional to the flow rate. The drawbacks of this type of positive displacement flowmeter are that it is prone to jamming. If the fluid contains particles, it may be too thick for the meter to determine flow rate.
A negative displacement air compressor was invented in 1860 and is the oldest type of compressor. It uses 2 lobes positioned in a circular cavity. One rotor is connected to an engine, while the other pushes the other 1 to spin in the opposite direction. Negative displacement compressors are low-maintenance, but they do require more precision. They are often used in nuclear power plants because they use the kinetic energy of the rotating elements to produce pressure.

Oil-injected

Oil-flooded or oil-injected air compressors use liquid to seal and lubricate moving parts and reduce noise. Oil-flooded air compressors are effective for a variety of pneumatic tools and accessories. Some models have a thermostat that controls the amount of oil used during operation. Other types of oil-flooded air compressors are piston-type models. Here is an overview of the basic differences between these 2 air compressors.
An oil-injected air compressor is more expensive than a comparable oil-free air compressor, but its advantages far outweigh its disadvantages. An oil-free compressor is quieter, requires less maintenance, and has a lower price tag. It also offers a greater degree of air purity. A number of other advantages may also make this type of air compressor the better choice for many industrial settings. If you need a high-pressure compressor in a tight space, consider the benefits of an oil-free system.
Oil-injected air compressors require more maintenance than oil-free models. Both types of air compressors offer similar capacity and ISO 8573-1 Class 0 and 1-2 purity, but the oil-injected systems require more air-treatment components. They require an activated carbon filter and coalescing filter. Oil-injected air compressors will likely remain the standard for industrial air compressors for many years. And since their performance and efficiency are comparable, it may be worthwhile to invest in some point-of-use air treatment.
Both types of air compressors have their benefits. However, choosing between oil-free and oil-injected air compressors is not as straightforward as you might think. Whichever type you choose, make sure it will meet your needs. The benefits of an oil-injected air compressor outweigh their disadvantages. In general, oil-injected air compressors are more durable and can last longer than oil-free models. The only downside is their higher price.
air-compressor

Oil-free

When choosing an air compressor for your company, you’ll need to determine what it is going to be used for. For example, if you’re planning on using it to power multiple workers, you should consider getting an oil-free compressor. An oil-free compressor, on the other hand, is quieter and can power several workers at a time. If you’re a contractor, the most important consideration will be the type of jobs you’ll be doing. Higher air pressure means greater demand for air flow, and more pressure can damage the equipment.
Oil-free compressed air is certified 100% free of contaminants. Technically, oil-free air is not completely free of foreign matter, but it is extremely low within the limits of practical air quality. A technically oil-free air compressor might have a total oil level of 0.003 mg/m3. If you’re in need of a technically oil-free air compressor, you must install an air treatment equipment after your current compressor.
If you’re in the manufacturing industry, a good oil-free air compressor will save you money and reduce your environmental impact. Many of these tools require air compressors to work, and this equipment will ensure that they don’t get contaminated. To buy the best oil-free compressor, you should learn a bit about the different terms used by compressor repair companies. ACFM, for example, is the amount of air that can be compressed in 1 minute at rated conditions.
When you’re using an oil-free air compressor, you should know that the overall life of the device will be much shorter. Compared to an oil-flooded rotary screw air compressor, an oil-free compressor typically has a lifespan of 50 thousand hours. But it’s important to understand that this type of compressor can still cause damage to piping and processes. Therefore, you should choose an oil-free compressor when you need to clean air for your business.

Single-stage

A single-stage air compressor, also known as a piston air compressor, compresses air only once before storing it in a cylinder. This stored air has enough energy to power a variety of pneumatic tools, such as screwdrivers, chisels, and wrenches. These units are also ideally suited for low-flow applications and are widely used in gas stations, auto shops, and various manufacturing plants.
A single-stage air compressor uses 2 valves – 1 for inlet and 1 for outlet – to transfer compressed air. Both valves are actuated by springs. The inlet valve has a slight curvature to provide protection from damage. The compressor’s outlet valve opens when the pressure in the cylinder is higher than the pressure in the storage tank. The piston moves very quickly inside the cylinder, exerting a high amount of force throughout the compression process. This high piston speed is a common cause of compressor wear and tear.
A single-stage air compressor is ideal for smaller tradesmen and small construction crews. Its lightweight and compact design make it easier to transport and store. While it may be tempting to buy the first cheap air compressor you see, it’s important to balance the price against performance to choose the right air compressor for your needs. The best single-stage air compressor is 1 that provides excellent performance and durability. Its two-stage counterpart is designed for larger construction teams and large applications.
The main difference between a single-stage and a two-stage air compressor lies in their capacity. A single-stage air compressor compresses air only once and delivers it into the storage tank, while a two-stage compressor compresses it twice, creating double the pressure. Because of this, single-stage air compressors are cheaper and versatile than their counterparts, which means that they can be used for multiple purposes.
air-compressor

Low-noise

A low-noise air compressor is a type of industrial compressor that is less noisy than regular air compressors. These are generally smaller machines designed for smaller factories and workshops with a few to several employees. They are designed to handle mid-weight volumes of compressed air per day. This type of compressor is especially useful for smaller manufacturing businesses that need to produce compressed air for medical applications. Small breweries can also benefit from the low-noise capabilities of these compressors.
Low-noise air compressors come in various sizes and features. For smaller jobs, you can purchase a one-gallon model that is lightweight and portable. For larger jobs, you can purchase 1 with a larger tank that can provide more pressure for longer jobs. However, a larger tank will make the compressor heavier and harder to transport. To avoid this, make sure to check the size of the tank and how much power it can handle.
Considering a low-noise air compressor for your business? If so, you’ve come to the right place. There are a variety of affordable and dependable low-noise options to choose from. A CAT 10020C, for example, is designed to provide high-volume air to many outlets at once. A CAT 10020C comes with a 10-gallon tank, wheels, and a carrying handle.
Noise levels can also affect the productivity of employees. When employees work with air compressors in close proximity to each other, they may develop tinnitus. If employees are free from tinnitus because of the loud noise, they are likely to work more efficiently. Moreover, it will be easier for them to focus and communicate efficiently. If you need a compressor, a low-noise 1 is an excellent choice.

China High Quality High Temperature Air Evaporative Cooler Is Used in Cold Room/Storage  China High Quality High Temperature Air Evaporative Cooler Is Used in Cold Room/Storage

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