• Free Piston Stirling Cooler

      FPSC (Free Piston Stirling Cooler) is a new type of completely CFC-free, high efficiency, energy-saving, and environmental protection Cooler, which uses a small amount of helium as the coolant.

       

      FPSC also is a kind of Magnetic Levitation Compressor (MagLev solution). But it is even more efficient chiller compressor, low energy cost, and consumption. It is small, portable, and it is widely used for precise temperature control for under -170℃ maximum.

       

      RIGID, one of the leading Chinese companies in terms of innovation, designed a Free-Piston Stirling cooler – FPSC. The unit takes the entire product to a whole new level where it can save a lot of energy and significantly improve efficiency. The default version of Stirling coolers includes pistons, heat exchangers, and compression spaces. But we are seeing the technology advancements in all industries, such as Biotech, Pharmaceutical, Energy, Chemical, Foods, logistics, Metrology.

       

      RIGID Free-Piston Stirling cooler is a game-changer for next-generation ultra-deep freezing! Read More...

    • FPSC Stirling Cooler Application Principles

      To cool air in a compact and confined area

       

      1.

      Direct Cooling with Conductive Connection

      2.

      Indirect Cooling with Heat Exchanger+Fan

      3.

      Direct Cooling with Thermosyphon

      4.

      Direct Cooling with Brine/Glycol/Nitrogen

    •  

      1
       
      Cooling performance-Least: 
      Aluminum plate isnot uniformly and the thermal resistance between the aluminum plate and inside air is relatively large. Limited effective volume.
       
      Influence of frost on cooling-Little:
      The surface area of the aluminum plate exposed to the inside air doesn't become smaller when aluminum plate surface is covered with frost.
       
      Others:
      The vibration of the FPSC is conducted to the insulated container and aluminum plate directly and they can become a source of noise.
      2
       
      Cooling performance-Best: 
      The thermal resistance between cold side of FPSC and heat exchanger is relatively small. The thermal resistance inside air is relatively small too.
       
      Influence of frost on cooling-Large:
      When the space is filled with frost, air can't flow there. The surface area of finned plate exposed to the inside air becaomes smaller and cooling performance is reduced.
       
      Others:
      1. It is necessary to specify a fan motor suitable for operation at desired qorking temperature.
       
      2. The heat from the fan motor adds an additional heat load and reduces the overall cooling performance.
      3
       
      Cooling performance-Better: 
      Aluminum plate is cooled more uniformly than "1". Two-phase heat transport allows for the lowest thermal resistance between the aluminum plate and FPSC.
       
      Influence of frost on cooling-Little:
      The surface area of the aluminum plate exposed to the inside air doesn't become smaller when aluminum plate surface is covered with frost.
       
      Others:
      1. It is necessary to define and prepare a suitable working fluid for desired operating temperature.
       
      2. It is necessary to prepare charging equipment for working fluid.
       
      4
       
      Cooling performance-Better: 
      Copper tube is attached on aluminum plate with more freedom than "3". Plate is cooled more uniformly than "3" but results in a higher thermal resistance.
       
      Influence of frost on cooling-Little:
      The surface area of the aluminum plate exposed to the inside air doesn't become smaller when aluminum plate surface is covered with frost.
       
      Others:
      1. It is necessary to prepare suitable brine and pump for desired operating or storage temperature.
       
      2. The heat from the pump motor adds an additional heat load and reduces the overall cooling performance.
       
      3. It is necessary to take precautions against potential brine leakage.
    • FPSC-RS40

      FPSC-RS40

      Capacity: 40W

      Input Power: 12V
      N.W: 2.2kg (4.8lbs)

      Coolant: Helium=2.5g

      Size: ODФ86mm x Length260mm
      Working Lifetime: Continuously operation ≥10,000hrs
      Working Condition: 0℃~+60℃(32℉~140℉)
      Installation: Any direction is workable

       

      Temperature Sensor of Controller: -1℃ to -99℃

      Temp Range in Cold Fin (Cold part): -100℃~ 0℃

      FPSC-RS80

      FPSC-RS80

      Capacity: 80W

      Input Power: 24V
      N.W: 2.2kg (4.8lbs)

      Coolant: Helium=3.0 g

      Size: ODФ86mm x Length270mm
      Working Lifetime: Continuously operation ≥10,000hrs
      Working Condition: 0℃~+60℃ (32℉~140℉)

      Installation: Any direction is workable

      Temperature Sensor of Controller: -1℃ to -99℃
      Temp Range in Cold Fin (Cold part): -140℃~ 0℃

      FPSC-RS150

       FPSC-RS100

      Capacity: 100W

      N.W: 4.0kg (8.8lbs)

      Coolant: Helium=3.0g

      12V~30V DC Power Supply
      External Size: 132mm×132mmx336mm (LxWxH)
      Working Lifetime: Continuously operation ≥10,000hrs
      Working Condition: 0℃~+60℃ (32℉~140℉)
      Installation: Any direction is workable

      Temperature Sensor of Controller: 0℃ to -140℃
      Temp Range in Cold Fin (Cold part): -160℃ ~0℃ (Maximum: -160℃ )

    • Key Features

      Standard Cooler, Compact and Lightweight Integrated Module

      Evaporating Temp Below -80 ℃

      Temperature down to -80℃ in few mins. It's suitable for strict temperature control. Depending on the heat mass, cooling capacity and speed can be fine-tuned.

      Max Cooling Temp Below -160℃

      No OIL, No CFC.

      It adopts helium as coolant, MagLev technology. It can reach maximum ultra deep temp -160℃ (only RS100), with 50% energy savings.

      Compact and Lightweight

      RIGID stirling cooler can be installed on various applications, especially for portable equipment because of its compactness and lightweight.

      Completed and Integrated

      RIGID Stirling cooler, drive board, temperature control and fan are integrated in one unit. You can install it into your system or equipment as it is.

    • Applications

      A game-changer for next-generation deep freezing - State of the Art!

      FPSC (Free Piston Stirling Cooler) Applications - RIGID HVAC

    • Advantages-Free Piston Stirling Cooler

      Fast & Deep Freezing – State of the Art!

    • Stirling Cooler FPSC Factory Site

      Stirling Cooler Factory 

      Stirling technology has been used in military and aerospace fields for more than 20 years.

       

      However, due to its high price, it has not been used in the mass market, and there are not many related application products.

      After 3 years of efforts, RIGID engaged with a China researchinstitue and has successfully launched a series of affordable quality products for deep freezing.

      -86℃ Stirling Freezer

      Model: CPF01L86

       

      Temperature -86℃ and portable freezer. Best choice for vaccine and drug transportation and storage.

      Our R&D Team

      Ultra-low Transportable Cryogenic Freezers are specifically designed for Vaccine and drug transportation and storage.

      Stirling Power Freezer

      Freezers For all kinds of vaccines.

      Covid-19 Vaccine Freezer Storage and Transportation.
      Set the temperature you need from 8℃ to -80℃.

      Vaccine Freezer

      RIGID Can Provide Off-the-Shelf Products Designed And Produce By Us And Our Partners.

    • Stirling Cooler Component & Parts

    • Stirling Cooler Photos

      RIGID provides customized services to meet your specific requirements!

    Contact Us:

    Ph: +86-579-88379768

    Mobile: +86-13516900044

    [email protected]rigidhvac.com

    Request a Quick Quote

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