China Evaporative Air Type Refrigerated Dual Flow Unit Cooler

Product Description

Evaporative Air Type Refrigerated Dual Flow Unit Cooler 

  • Floor type water 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

SDL SDD SDJ  series for your choice
SDL: 
High temperature 0 ºC
SDD : Medium temperature for about -18°C cold storage;
SDJ : Low temperature for -35°C frozen storage;

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

Characteristics and configuration of air cooler:

The main technicaI parameters of DL type coId air bIower for water
Model Rated capacity
 t=0°C            △t=to=7°C       W 
ExternaI   surface   (m²) Tube     capacity   (dm³) Fan motor Defrosting water
diameter     (Φ-mm) Air        voIume     (m³/h) Motor     power       (w) VoIt           (V) TotaI     voIume   (about) Water      inIet pipe          (G) Water   ontIet       pipe            Φ(G)
SDL-8.2/40 8200 40 5.8 400 2*3400 2*180 380 0.4 60/2″ 89/3″
SDL-12.3/60 12300 60 7.6 400 2*3400 2*180 380 0.6 60/2″ 89/3″
SDL-16.4/80 16400 80 10.1 500 2*6000 2*414 380 0.75 60/2″ 89/3″
SDL-21.5/105 21500 105 13.5 500 2*6000 2*414 380 0.85 60/2″ 89/3″
SDL-28/125 28000 125 17.3 500 3*6000 3*414 380 1.1 60/2″ 89/3″
SDL-32.8/160 32800 160 19.6 500 3*6000 3*414 380 1.25 60/2″ 89/3″
SDL-37.9/185 37900 185 22.7 500 4*6000 4*414 380 1.4 60/2″ 114/4″
SDL-42.9/210 42900 210 25.8 500 4*6000 4*414 380 1.65 60/2″ 114/4″
SDL-53.3/260 53300 280 32.2 500 4*6000 4*414 380 2 2*60/2″ 114/4″
SDL-69.4/340 69400 340 41.9 550 4*8000 4*600 380 2 2*60/2″ 114/4″
SDL-83.6/410 83600 400 51.6 600 4*10000 4*780 380 2.3 2*60/2″ 114/4″
                     
The main technicaI parameters of DD type coId air bIower for water
Model Rated capacity
 t= -18°C            △t=to=7°C       W 
ExternaI   surface   (m²) Tube     capacity   (dm³) Fan motor Defrosting water
diameter     (Φ-mm) Air        voIume     (m³/h) Motor     power       (w) VoIt           (V) TotaI     voIume   (about) Water      inIet pipe          (G) Water   ontIet       pipe            Φ(G)
SDD-5.3/30 5300 30 5.8 400 2*3400 2*180 380 0.5 60/2″ 89/3″
SDD-7.0/40 7000 40 7.6 400 2*3400 2*180 380 0.65 60/2″ 89/3″
SDD-11.2/60 11200 60 10.1 500 2*6000 2*414 380 0.9 60/2″ 89/3″
SDD-14.9/80 14900 80 13.5 500 2*6000 2*414 380 1 60/2″ 89/3″
SDD-18.7/100 18700 100 17.3 500 3*6000 3*414 380 1.3 60/2″ 89/3″
SDD-22.3/120 22300 120 19.6 500 3*6000 3*414 380 1.5 60/2″ 89/3″
SDD-26.2/140 26200 140 22.7 500 4*6000 4*414 380 1.65 60/2″ 114/4″
SDD-29.8/160 29800 160 25.8 500 4*6000 4*414 380 2.1 60/2″ 114/4″
SDD-37.2/200 37200 210 32.2 500 4*6000 4*414 380 2.3 2*60/2″ 114/4″
SDD-48.4/255 48400 255 41.9 550 4*8000 4*600 380 2.3 2*60/2″ 114/4″
SDD-57.9/310 57900 300 51.6 600 4*10000 4*780 380 2.7 2*60/2″ 114/4″
                     
The main technicaI parameters of DJ type coId air bIower for water
Model Rated capacity
 t= -18°C            △t=to=7°C       W 
ExternaI   surface   (m²) Tube     capacity   (dm³) Fan motor Defrosting water
diameter     (Φ-mm) Air        voIume     (m³/h) Motor     power       (w) VoIt           (V) TotaI     voIume   (about) Water      inIet pipe          (G) Water   ontIet       pipe            Φ(G)
SDJ-8.2/40 8200 40 5.8 400 2*3400 2*180 380 0.5 60/2″ 89/3″
SDJ-12.3/60 12300 60 7.6 400 2*3400 2*180 380 0.65 60/2″ 89/3″
SDJ-16.4/80 16400 80 10.1 500 2*6000 2*414 380 0.9 60/2″ 89/3″
SDJ-21.5/105 21500 105 13.5 500 2*6000 2*414 380 1 60/2″ 89/3″
SDJ-28/125 28000 125 17.3 500 3*6000 3*414 380 1.3 60/2″ 89/3″
SDJ-32.8/160 32800 160 19.6 500 3*6000 3*414 380 1.5 60/2″ 89/3″
SDJ-37.9/185 37900 185 22.7 500 4*6000 4*414 380 1.65 60/2″ 114/4″
SDJ-42.9/210 42900 210 25.8 500 4*6000 4*414 380 2.1 60/2″ 114/4″
SDJ-53.3/260 53300 280 32.2 500 4*6000 4*414 380 2.3 2*60/2″ 114/4″
SDJ-69.4/340 69400 340 41.9 550 4*8000 4*600 380 2.3 2*60/2″ 114/4″
SDJ-83.6/410 83600 400 51.6 600 4*10000 4*780 380 2.7 2*60/2″ 114/4″

Parameter

 Fin Spacing 6mm, Room Temp≥-25ºC 

 

1.Fan: Adopting high quality motor,reasonable gap with the wind vane,guide ring and hyperbolic designed ducting,achieve maxxium efficiency of fan

2.Copper Pipe: Efficient use of multilie tooth inner thresd pipe,Rate of more than 99.9%,increaseing of the innertube surface area and improving the efficiency of heat transfer.

3.Pipeline Design: Heat exchanger is adopted directly back to the oil and counter current,to avoid accumulation of oil and make full use of heat exchanger area ,improving the heat transfer efficiency and ensuring the superheat temperature of heat exchanger.

4.Casing: Using 3003 aluminum alloy shell or DC51-D+180g, spraying paint for outdoor, and after high temperature curing, the material has high strength, and strong corrosion resistance, standard color is RAL9571.

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

Parameter
1. High quality galvanized steel cabinet provides a heavy duty, durable structure
2. High efficient and totally enclosed fan motors with long reliable operation
3. Axial fan, permanently lubricated ball bearing fan motor, low noise, long work life.
4. Available in air, electric and hot gas defrost configurations
Electric defrost heaters are inserted into coil slab to provide efficient electric defrost. Heater elements are stainless steel sheathed and are self-centering, overloading thermal protection.

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 the Right Air Compressor For Your Home

You will find that air compressors are indispensable tools for a variety of situations, including garages, home workshops, and basements. These tools can power a variety of tools, and each model is sized to suit the job at hand. Because air compressors have only 1 motor, they are lightweight, compact, and easy to handle. Using 1 air compressor to power several tools will also reduce the wear and tear on individual components. This article will introduce some important characteristics to look for when choosing the right air compressor for your home.

Positive displacement

A positive displacement compressor applies pressure to a fluid, whereas a centrifugal 1 does the opposite. A positive displacement compressor creates the desired pressure by trapping air and increasing its volume. Its discharge valve releases the high-pressure gas. These compressors are used in industrial applications and nuclear power plants. The difference between a positive and negative displacement compressor is that a positive displacement compressor can compress and release air at a consistent rate.
A positive displacement air compressor uses a reciprocating piston to compress air. This reduces the volume of the air in the compression chamber, and a discharge valve opens when the pressure reaches the desired level. These compressors are used in bicycle pumps and other pneumatic tools. Positive displacement air compressors have multiple inlet ports and have several configurations. Positive displacement air compressors have a single-acting and double-acting piston, and can be oil-lubricated or oil-free.
A positive displacement air compressor is different from a dynamic compressor. It draws air into the compression chambers and then releases the pressure when the valve is opened. Positive displacement compressors are common in industrial applications and are available in single-acting, double-acting, and oil-lubricated models. Large piston compressors have ventilated intermediate pieces and crossheads on gudgeon pins. Smaller models have permanently sealed crankcases with bearings.
air-compressor

Oil-free

Oil-free air compressors have some advantages over their oil-lubricated counterparts. They do not require lubrication oil because they are coated with Teflon. The material has 1 of the lowest coefficients of friction and is layered, so it slides past other layers with little effort. Because of this, oil-free compressors tend to be cheaper and still deliver comparable performance. Oil-free compressors are a good choice for industrial applications.
The life of an oil-free air compressor is significantly longer than an oil-lubricated counterpart. These models can operate up to 2,000 hours, 4 times longer than the average oil-lubed compressor. Oil-free compressors also have a significantly lower operating noise than their oil-lubricated counterparts. And because they don’t need oil changes, they are quieter. Some even last up to 2,000 hours.
An oil-free air compressor is a good choice if your application requires high levels of purity. Several applications require ultra-pure air, and even a drop of oil can cause product spoilage or damage to production equipment. In addition to the health risks, an oil-free air compressor reduces the costs associated with oil contamination and minimizes leaks. It also eliminates the need for oil collection, disposal, and treatment.
A typical oil-free air compressor is very efficient, requiring only about 18% of the full load horsepower. However, oil-free compressors have a higher risk of premature failure and are not recommended for large-scale industrial applications. They may also use up to 18% of the compressor’s full capacity. They may sound appealing, but you must make sure you understand the benefits of an oil-free air compressor before choosing 1 for your industrial applications.

Single-stage

A single-stage air compressor is designed to provide the power for a single pneumatic tool or device. These machines are generally smaller than two-stage compressors and produce less heat and energy. These machines aren’t designed for heavy-duty industries, but they are still highly effective for a variety of applications, including auto shops, gas stations, and various manufacturing plants. They can also be used in borewells, as they are suitable for small spaces with low air flow requirements.
A single-stage air compressor has 1 cylinder and 2 valves – the inlet and the delivery valves. Both of these valves function mechanically, with the inlet valve controlling torque and the delivery 1 controlling air pressure. Generally, single-stage compressors are powered by a gas engine, but there are also electric models available. The single-stage air compressor is the most common type of air compressor. It has a single cylinder, 1 piston, and 1 air cylinder.
The single-stage air compressors are used for small projects or personal use. A two-stage air compressor is more effective for industrial projects. Its longer air end life makes it more efficient. It is also more efficient for use in the automotive industry, where the engine has many cylinders. In general, single-stage compressors require a higher power level. The single-stage model is ideal for small projects, while a two-stage 1 is suitable for larger-scale arsenals.
air-compressor

CFM

The cubic foot-per-minute (CFM) of an air compressor is the output of the machine. In order to calculate the CFM level, start by looking at the compressor’s specifications. You should know how many cubic feet the unit can hold and how many pounds per square inch it can compress. Once you have these information, you can calculate the CFM. Now you can use these numbers to select an appropriate air compressor for your needs.
The most common way to increase the CFM of an air compressor is to turn the regulator down. By turning the dial down, the air compressor will produce more than 10 CFM. You can also try connecting 2 output valves. Make sure that the settings are adjusted properly before you begin. This will ensure that your air compressor is functioning at its maximum efficiency and lifespan. To increase the CFM of your air compressor, first check that your regulator is calibrated for the desired pressure level.
To calculate the CFM of an air compressor, first determine the tank volume of the machine. Then, multiply this volume by the time it takes to fill the tank. Then, divide the result by 60 seconds to calculate the CFM. Once you know how much air your machine can hold, you can choose a suitable air compressor. If you’re working in a confined area, you should buy a tool with a large tank.

PSI

The PSI of an air compressor is the pressure that it can output. A typical air compressor has a gauge connected to the airline at the bottom, next to it, or between the two. The gauge tells the actual pressure of the air compressor, while the cut-out pressure is determined by the manufacturer. The manufacturer recommends that you set the cut-out pressure 20 to 40 PSI higher than the factory recommended pressure. If you want to set the pressure for your nail gun, you can use the cut-in and cut-out pressures on your compressor, and the tank won’t exceed this range.
The PSI of an air compressor measures the force that it can deliver, which is often in pounds per square inch. For most air tools, you need at least 40 to 90 psi. In general, reciprocating air compressors work on an on/off basis. This relationship is known as the duty cycle. All air compressors are rated for a particular duty cycle, such as 50 percent on and 20-5 percent off.
The Psig of an air compressor is not free, as many people believe. The PSI of an air compressor is not free, but it is essential to maintain it for safe operations. If you’re having trouble maintaining a consistent pressure, consider turning down the PSI of your compressor by 2 psig. This will determine the critical pressure for the machine. You’ll also increase the amount of energy in the system by 1 percent.
air-compressor

Power source

The power source for an air compressor is crucial in its operation. Without the correct voltage and amperage, air compressors will not function properly. The power source must be close to the compressor so that it can plug into an electrical outlet. If it is too far from the outlet, the compressor may not be able to build enough pressure. When this happens, the fuse inside the air compressor will turn off to protect the user. The power source should be a safe distance from the compressor.
Most manufacturers do not specify the power source for an air compressor. Depending on the horsepower, the compressor will require approximately 4 amps of power. A one-horsepower compressor would draw about 12 amps. If it were powered by a typical 120-volt household supply, its motor would exceed the 15-amp breaker capacity. A larger air compressor, however, will require a separate 15-amp power source, making it impossible to use it with this type of power source.
The power source for an air compressor is typically electrical alternating current (AC) that is equivalent to the voltage on a standard wall outlet. A three-phase air compressor, on the other hand, requires a special AC supply with 3 electrical offset pulses. Regardless of the type of air compressor, the power source must be compatible with the incoming power service. One of the most common problems when attempting to connect an air compressor to an AC power source is undersized wire. This results in low voltage and high amperes, tripping of over-load relays and blown fuses.

China Evaporative Air Type Refrigerated Dual Flow Unit Cooler  China Evaporative Air Type Refrigerated Dual Flow Unit Cooler

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