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OEM Air Dryer Pre-cooled Plate Fin Heat Exchanger
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OEM Air Dryer Pre-cooled Plate Fin Heat Exchanger

We have been focusing on thermal management field over 10 years. Our capabilities cover a wide range that provide you one-stop solution quicker and easier.

Mstirling has been focusing on design and manufacturing condenser and evaporator for auto air conditioner, and pre-cooled evaporator for refrigerated air dryers.

100% customized as your requirements. Support OEM/ODM. 100% meets the standards of GB, SGS, CE.

Product name : OEM air dryer evaporator pre-cooled plate fin heat exchanger

                                      PRODUCT DESCRIPTION






Aluminum alloy 3003


Outer Dimension (L*W*H)

Up to 1200*600*120 mm


Working Pressure for air

1.3 Mpa


Working Pressure for coolant R22

2.0 Mpa


Capacity for Air/Gas

5/10/15/20/40 L


Capacity for R22

1/1.5/2/3/4 L



Refrigerant and Gas


Manufacturing Method

Controlled atmosphere brazing


Cooling Method

Air to coolant


Surface Finish

Natural or powder coating or zinc coating


Warranty time

1 year


Place of Region

Jiangsu province of China


Reference Standard

GB/T 3190-2008,NB/T47006-2019

M-stirling’s condenser or evaporator technologies include

Vacuum brazed or controlled atmosphere brazed aluminum parallel flow condenser or evaporator with flat microchannel tube and fins

◆ Controlled atmosphere brazed serpentine condenser with microchannel tube and fins

Auto air conditioning condenser

▲ Auto air conditioning condenser                        


Air dryer heat exchanger evaporator

▲ Air dryer heat exchanger evaporator    

About Air dryer

What is the principle of air dryer?

The refrigerated air dryer working principle is based on de-humidifying air by rapidly cooling it, condensing it, and draining off the moisture. The operation is like that of a domestic refrigerator or home air-conditioning system.

How does a refrigeration air dryer work?

Refrigerated air dryers operate with a similar principle to domestic refrigerators or home air conditioning systems. The compressed air is cooled in an air-to-refrigerant heat exchanger to about 35°F, a temperature where the moisture condenses and is drained off.

What is the function of air dryer in humidity?

The basic function of the air dryer is to remove moisture from the air by cooling it with a refrigerant. Thus, the water vapor is condensed, and the air can be compressed. The result is dry compressed air, which can be used in compressed air equipment without causing any damage.

Which gas is used in air dryer?

The compressors used in this type of dryer are usually of the hermetic type and the most common gas used is R-134a and R-410a for smaller air dryers up to 100 cfm.

What causes an air dryer to freeze?

Air Dryers in Cold Weather
In cold ambient conditions, refrigerated air dryers may operate too efficiently. As moisture is separated out by the dryer, it can be cooled to a point where it will freeze within the heat exchanger, causing blockages or damage.

M-stirling’s main condenser and evaporator

●    Auto air conditioning condenser

●    Auto air conditioning evaporator

●    Other custom parallel flow aluminum condenser and evaporator



We, Mstirling, focus on cooling and refrigeration field. Our products cover coolers, refrigeration parts, heat exchangers, ultra-low temperature cooling system and other refrigeration system.

As a professional manufacturer of cooling system parts and products, we could meet different clients' requests and develop new products with professional team and front-line skillful workers.

Quality Assurance

Quality aspects are comprehensively involved from design stage, design of process, tools & fixtures and packing must fit DFM(Design For Manufacturing) concept;
Lean six sigma tools are widely used at Mstirling to minimize process variations and guarantee consistent quality by implementation of continuous improvement;
Our advanced laboratory testing equipment in house provide us sufficient test data and verify quality characters and reliability;
Our engineers work closely with our inspectors to establish product quality files from the very beginning, documenting the manufacturing process of each product.
Visual & Dimensions Inspection:
  • 3D Imaging Test
  • Water Leak Detection Test
  • Helium Leak Deteciton Test
  • Wind Tunnel Test
  • Thermal shock Test
  • Immersion Ultrasonic C-scan Image Test
  • Flow Resistance Test
  • X-RAY Imaging Test

Customer First

Putting the customer first is the starting point and the key to our success
☛We translate their needs into business solutions.
☛We work closely with our customers and listen to customer's voices clearly to ensure their needs are clearly understood and transferred into our actions efficiently.
With a vision of aiming to drive cooling technology limits towards a better life, Mstirling is dedicating to being a terminator of your cooling solution for your application. 




    Add : NO. 12 East mozhou road, Jiangning development zone, Nanjing, China
    Phone : +86-25 86136881
   Fax : +86-25 86136302
   : +86-13626107044
    E-mail :
   Skype : fly20091116
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