China Freezer Compressor Mk Series-Adw66, R134A Gas, 220V, 1/4-HP

Product Description

1.Product Performance
 1)ADW66, MK series, use R134A refrigerant; 
 2)Voltage application 220V to 240V;
 3)Frequency for 50/60HZ;
 4)Motor type: RSIR;
 5)Cooling type: ST;
 6)Starting device is PTC Relay;
 7)Application: Low Back Pressure;
 8)Nominal power is 1/4- HP;
 9)COP is 1.20 with the cooling capacity 165W.

Basing on Test Condition(ASHRAE)
 Evaporating Temperature: -23.3 degree
 Ambient Temperature: 32.2 degree
 Subcooling Temperature: 32.2 degree
 Condensing Temperature: 54.4 degree
 Suction Temperature: 32.2 degree

2.Compressor Dimensions

3.Compressor Specification

Serial Model HP Voltage/   Frequency (V/Hz) Displacement (cm3) Cooling Capacity ASHRAE Motor type Starting Device Starting capacitor (uF) Running capacitor (uF) Cooling Type
-35ºC (-31F) -30ºC(-22F) -25ºC(-13F) Test Conditions:-23.3ºC(-10F) -20ºC(-4F) -15ºC(5F) -10ºC(10F) -5ºC(23F) 0ºC(32F)
W Btu/h W Btu/h W Btu/h Capacity (W) Capacity (Btu/h) lnput Power(W) Current  (A) COP EER W Btu/h W Btu/h W Btu/h W Btu/h W Btu/h
L QD25HG 1/12 220-240V/50-60Hz 2.5 25 85 33 113 42 143 55 188 52 0.55 1.05 3.61 69 235 86 293 107 365 134 457 168 573 RSIR PTC Starting Relay / / ST
QD30HG 1/12 3.0 30 102 39 133 50 171 65 222 62 0.63 1.05 3.58 81 276 102 348 127 433 159 543 198 676 RSIR / / ST
QD35HG 1/11 3.5 34 116 44 150 58 198 75 256 71 0.68 1.05 3.60 94 321 117 399 147 502 183 624 229 781 RSIR / / ST
ADW43 1/6- 4.3 50 171 65 222 85 290 110 375 100 1.0 1.1 3.75 138 471 172 587 215 734 269 918 336 1146 RSIR / / ST
ADW51 1/6 5.1 57 194 74 252 96 328 125 427 104 1.1 1.2 4.10 156 532 195 665 244 833 305 1041 382 1303 RSIR / / ST
ADW57 1/5- 5.7 62 212 80 273 104 355 135 461 112 1.15 1.2 4.11 170 580 211 720 264 901 330 1126 412 1406 RSIR / / ST
MS ADW43 1/6- 4.3 50 171 65 222 85 290 110 375 100 1.0 1.1 3.75 138 471 172 587 215 734 269 918 336 1146 RSIR PTC/Current Starting Relay / / ST
ADW51 1/6 5.1 57 194 74 252 96 328 125 427 104 1.1 1.2 4.10 156 532 195 665 244 833 305 1041 382 1303 RSIR / / ST
ADW57 1/5- 5.7 62 212 80 273 104 355 135 461 112 1.15 1.2 4.11 170 580 211 720 264 901 330 1126 412 1406 RSIR / / ST
ADW66 1/4- 6.6 75 256 98 334 127 433 165 563 132 1.2 1.25 4.27 206 703 258 880 322 1099 403 1375 504 1720 RSIR / / ST
ADW77 1/4 7.7 84 287 109 372 142 485 185 631 148 1.4 1.25 4.27 231 788 289 986 361 1232 452 1542 565 1928 RSIR / / ST
ADW86 1/4+ 8.6 91 310 118 403 154 525 200 682 160 1.45 1.25 4.27 250 853 313 1068 391 1334 488 1665 610 2081 RSIR / / ST
ADW91 1/3- 9.1 100 341 130 444 169 577 220 751 176 1.65 1.25 4.27 275 938 344 1174 430 1467 537 1832 671 2289 RSIR / / ST
LM ADW43 1/6- 4.3 50 171 65 222 85 290 110 375 100 1.0 1.1 3.75 138 471 172 587 215 734 269 918 336 1146 RSIR / / ST
ADW51 1/6 5.1 57 194 74 252 96 328 125 427 104 1.1 1.2 4.10 156 532 195 665 244 833 305 1041 382 1303 RSIR / / ST
ADW57 1/5- 5.7 62 212 80 273 104 355 135 461 112 1.15 1.2 4.11 170 580 211 720 264 901 330 1126 412 1406 RSIR / / ST
ADW66 1/4- 6.6 75 256 98 334 127 433 165 563 132 1.2 1.25 4.27 206 703 258 880 322 1099 403 1375 504 1720 RSIR / / ST
ADW77 1/4 7.7 84 287 109 372 142 485 185 631 148 1.4 1.25 4.27 231 788 289 986 361 1232 452 1542 565 1928 RSIR / / ST
MK ADW66 1/4- 6.6 75 256 98 334 127 433 165 563 132 1.2 1.25 4.27 206 703 258 880 322 1099 403 1375 504 1720 RSIR / / ST
ADW77 1/4 7.7 84 287 109 372 142 485 185 631 148 1.4 1.25 4.27 231 788 289 986 361 1232 452 1542 565 1928 RSIR / / ST
ADW86 1/4+ 8.6 91 310 118 403 154 525 200 682 160 1.45 1.25 4.27 250 853 313 1068 391 1334 488 1665 610 2081 RSIR / / ST
ADW91 1/3- 9.1 100 341 130 444 169 577 220 751 176 1.65 1.25 4.27 275 938 344 1174 430 1467 537 1832 671 2289 RSIR / / ST
ADW110 3/8 11.0 123 420 160 546 208 710 270 921 215 2.05 1.25 4.28 338 1153 422 1440 527 1798 659 2249 824 2811 RSIR / / F
WQ ADW91 1/3- 9.1 100 341 130 444 169 577 220 751 176 1.65 1.25 4.27 275 938 344 1174 430 1467 537 1832 671 2289 RSIR / / F
ADW110 3/8 11.0 123 420 160 546 208 710 270 921 215 2.05 1.25 4.28 338 1153 422 1440 527 1798 659 2249 824 2811 RSIR / / F
ADW128 3/8+ 12.8 146 498 189 645 246 839 320 1092 256 2.3 1.25 4.27 400 1365 500 1706 625 2133 781 2665 977 3334 CSIR Current  Starting Relay 80 / F
ADW142 1/2- 14.2 159 543 207 706 269 918 350 1194 280 2.6 1.25 4.27 438 1494 547 1866 684 2334 855 2917 1068 3644 CSIR 80 / F
ADW153 1/2 15.3 173 590 225 768 292 996 380 1297 304 2.8 1.25 4.27 475 1621 594 2571 742 2532 828 2825 1160 3958 CSIR 80 / F

4.Compressor Packing and Container Loading

5.Compressor Certificate

6.Our Production View

7.Our Show Room

8.Introduction of Company
Business Type: Manufacturer, Exporter
Location: HangZhou(near ZheJiang and HangZhou), China
Year Established: 2009 (former name: HangZhou Maidi Heating and Refrigerating Equipment Co.,LTD.) 
Company Certifcate: ISO9001/ISO14001/OHS18001
Main Product: Refrigerator Compressor; Refrigerant Gas; Liquid Line Refrigeration Spare Parts

9.Why Choose Us
 Advantages we have: 
  A.Experienced refrigeration products supplier;
  B.Over 10 years exporting history;
  C.Alibaba golden supplier, factory recognizaed by BV/SGS/ISO… so on. 
 Benefit you get:
  A.Stable Quality—-Coming from good material and technology;
  B.Lower Price—-Not cheapest but the lowest at the same quality;
  C.Good Service—-Satisfactory service before and after sales. 
 

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 Freezer Compressor Mk Series-Adw66, R134A Gas, 220V, 1/4-HP  China Freezer Compressor Mk Series-Adw66, R134A Gas, 220V, 1/4-HP

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