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    An AI Overview is not available for this searchCan't generate an AI overview right now. Try again later.
    AI Overview
    R134a centrifugal chillers are high-pressure, water-cooled HVAC systems designed for large-capacity comfort cooling and industrial processes. They utilize R-134a refrigerant, a high-pressure HFC that prevents non-condensable influx, offering high energy efficiency (COP > 6), reliability, and a long life. Many modern units (e.g., Carrier 19XR, YORK YK) feature variable frequency drives (VFDs), two-stage compressors, or magnetic bearings for superior part-load performance. 
    Key Aspects of R134a Centrifugal Chillers: 
    • Operating Pressure: R-134a is a high-pressure refrigerant (
      >0is greater than 0
      >0
       psig), meaning these chillers do not require purge systems to remove non-condensable gases, unlike low-pressure systems (e.g., R-123).
    • Capacity and Efficiency: Common in large-scale applications (e.g., 700 kW to over 10,000 kW) with exceptional COP (Coefficient of Performance) often above 6.0.
    • Performance Technologies: They often use two-stage compressors for 10-13% better efficiency and magnetic bearing technology for oil-free operation, reducing maintenance.
    • Environmental Status: While effective, R-134a has a GWP of 1430, leading to a mandatory phase-down under the Montreal Protocol. Many manufacturers now offer R-513A or R-1234ze as lower-GWP alternatives for similar, or sometimes the same, equipment.
    • Applications: Ideal for commercial air conditioning, data centers, and industrial process cooling. 
    Key Manufacturers & Models: 
    • Carrier: AquaEdge 19XR/XRV/XRE Series.
    • YORK: Model YK (Style G) and YD Dual Centrifugal.
    • LG: Centrifugal Chillers (Two-stage).
    • Midea: Magnetic Series Water Cooled Centrifugal Chiller.
    • Dunham Bush: Oil-Free Magnetic Bearing Chillers. 
    • Current Status and Future Prospects for Centrifugal Chillers with ...
      Dec 20, 2024 — R134a, an HFC refrigerant conventionally used for centrifugal chillers, has a GWP of 1430(1), and at the 28th Meeting of the Parti...
      Mitsubishi Heavy Industries, Ltd.
    • Haier CCWP0440-8800-R134a Water-cooled magnetic bearing ...
      Magnetic bearing technology Magnetic bearing frictionless movement system provides quiet, reliable operation and eliminates the re...
      海尔集团
    • Dunham Bush 50/ 60Hz R134A HVAC System Oil Free Industrial ...
      Advanced Technology. ... The axially and radially located magnetic bearings create electromagnetic field which levitates the shaft...
      Made-in-China.com
    Show all
    • 19XR/XRV/XRE Water-Cooled Centrifugal Chiller with R134a ...
      The AquaEdge™ 19XR water-cooled centrifugal chiller is ideal for comfort cooling, process cooling and heating applications where n...
      Carrier
    • Current Status and Future Prospects for Centrifugal Chillers with ...
      Dec 20, 2024 — R134a, an HFC refrigerant conventionally used for centrifugal chillers, has a GWP of 1430(1), and at the 28th Meeting of the Parti...
      Mitsubishi Heavy Industries, Ltd.
    • Haier CCWP0440-8800-R134a Water-cooled magnetic bearing ...
      Magnetic bearing technology Magnetic bearing frictionless movement system provides quiet, reliable operation and eliminates the re...
      海尔集团
    • Dunham Bush 50/ 60Hz R134A HVAC System Oil Free Industrial ...
      Advanced Technology. ... The axially and radially located magnetic bearings create electromagnetic field which levitates the shaft...
      Made-in-China.com
    • Model YK Style G, with R-134a, R-513A, or R-1234ze
      The YORK Model YK centrifugal liquid chiller is completely factory-packaged including the evaporator, condenser, compressor, motor...
      Johnson Controls
    • YD Dual Centrifugal Chiller | YORK®
      The YORK YD Dual Centrifugal Chiller is a compact chiller that uses two compressors operating in parallel. It's designed for comfo...
      www.york.com
    • Midea 800rt R134A Magnetic Series Water Cooled Centrifugal Chiller
      Midea 800rt R134A Magnetic Series Water Cooled Centrifugal... * Design features of YK centrifugal chiller. * Single-stage compress...
      www.fliercn.com
    • LG CENTRIFUGAL CHILLERS | Goldman Energy
      LG centrifugal chillers use R-134a refrigerant and have a COP of 6.7. They are available in capacities from 700 kW to 10,370 kW. L...
      Goldman Energy
    • Know High VS Low Pressure Chillers - Chiller Academy
      Oct 10, 2024 — so we need to address the difference between a low pressure and a high pressure chiller. and this is something you're really going...
      14:39
      YouTube·HVACTIME
    • SKM WATER COOLED CENTRIFUGAL CHILLER
      High-pressure Refrigerant R-134a centrifugal water chiller is able to display continuous performance by extending the life of the ...
      SKM Air Conditioning
    • Centrifugal Chiller | LG Global Business
      The LG Centrifugal Chiller is a cooling solution that uses a two-stage compressor system. It's designed to be efficient and reliab...
      LG
    • Water-Cooled Centrifugal Chiller Explained | HVAC Simplified
      Dec 15, 2025 — welcome to HIX simplified. where HVAC is explained in the simplest way. possible. this is a water- cooled chiller with centrifugal...
      0:31
      YouTube·HVAC SIMPLIFIED
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    Web results

    19XR/XRV/XRE Water-Cooled Centrifugal Chiller with ...


    Carrier
    https://www.carrier.com › ... › Chillers
    Carrier
    https://www.carrier.com › ... › Chillers
    The AquaEdge™ 19XR water-cooled centrifugal chiller is ideal for comfort cooling, process cooling and heating applications where no chlorine is required.
    People also ask
    What refrigerant do centrifugal chillers use?
    Our centrifugal chillers use R134a refrigerant with zero GWP (global warming potential) making them suitable for projects with stringent sustainability requirements.

    Centrifugal Chillers | Hitachi Cooling & Heating


    Hitachi Air Conditioning
    https://www.hitachiaircon.com › Ranges › Chillers
    Hitachi Air Conditioning
    https://www.hitachiaircon.com › Ranges › Chillers
    What is the replacement for R134a in chillers?
    R-513A is a lower GWP refrigerant which is an excellent choice for replacement of R-134a, R-12, R-401A, and R-409A. The refrigerant and HVAC industry continues to move away from the use of ozone-depleting and high global warming potential (GWP) refrigerants.

    2063051 ADM MNL 513 Retrofit Guide Chillers A4


    honeywell.com
    https://prod-edam.honeywell.com › en-us › documents
    honeywell.com
    https://prod-edam.honeywell.com › en-us › documents
    What is the purpose of a centrifugal chiller?
    Centrifugal chillers are typically the most economical chiller to use for cooling sizable buildings. They can efficiently produce a high flow rate and are ideal for larger applications.Jul 23, 2019

    Centrifugal Chillers


    North Slope Chillers
    https://northslopechillers.com › blog › centrifugal-chillers
    North Slope Chillers
    https://northslopechillers.com › blog › centrifugal-chillers
    What is the suction pressure for 134a chiller?
    R134a refrigeration cycle components and conditions

    The evaporator temperature is -21°C. The high pressure in the condenser varies between 117 PSI and 156 PSI. The low back pressure is 3 PSI.    Feb 4, 2026

    suction pressure for r134a refrigerant? - Facebook


    Facebook
    https://www.facebook.com › groups › posts
    Facebook
    https://www.facebook.com › groups › posts

    Web results

    Centrifugal Chiller | LG Global Business


    LG
    https://www.lg.com › ... › Commercial Solutions › Chiller
    LG
    https://www.lg.com › ... › Commercial Solutions › Chiller
    The LG Centrifugal Chiller offers a cooling solution not only R-134a but also low GWP R-513A refrigerant​. With LG's technologies such as the two-stage ...Read more

    Model YK Style G, with R-134a, R-513A, or R-1234ze


    Johnson Controls
    https://docs.johnsoncontrols.com › khub › content
    Johnson Controls
    https://docs.johnsoncontrols.com › khub › content
    PDF
    The YORK Model YK centrifugal liquid chiller is completely factory-packaged including the evaporator, condenser, compressor, motor, lubrication system ...Read more
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    Centrifugal Chillers | Hitachi Cooling & Heating


    Hitachi Air Conditioning
    https://www.hitachiaircon.com › Ranges › Chillers
    Hitachi Air Conditioning
    https://www.hitachiaircon.com › Ranges › Chillers
    – Hitachi's centrifugal chillers with enviroment-friendly refrigirant. Our centrifugal chillers use R134a refrigerant with zero GWP (global warming potential) ...Read more

    Current Status and Future Prospects for Centrifugal Chillers ...


    Mitsubishi Heavy Industries, Ltd.
    https://solutions.mhi.com › blog › current-status-and-fu...
    Mitsubishi Heavy Industries, Ltd.
    https://solutions.mhi.com › blog › current-status-and-fu...
    Dec 20, 2024 — R134a, an HFC refrigerant conventionally used for centrifugal chillers, has a GWP of 1430(1), and at the 28th Meeting of the Parties (MOP28) to ...Read more
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    H.Stars (Guangzhou) Refrigerating Equipment Group Ltd.
    Midea 250rt R134A Magnetic Series Water Cooled Centrifugal Chiller
    Midea 250rt R134A Magnetic Series Water Cooled Centrifugal Chiller
    Beijing Midea Overseas Engineering & Technology Co., Ltd.
    Midea 3000rt R134A 11kv-3pH-50Hz High Efficiency Series ...
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    [Hot Item] Dunham Bush 50/ 60Hz R134A HVAC System Oil Free Industrial Centrifugal Water Cooled Chiller
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    Web results

    Centrifugal Chiller - Fundamentals


    Energy-Models.com
    https://energy-models.com › centrifugal-chiller-fundame...
    Energy-Models.com
    https://energy-models.com › centrifugal-chiller-fundame...
    HFC-134a requires about 3 cfm/ton while HCFC-123 requires about 17 cfm/ton. HFC-134a has a higher density. A key design parameter for centrifugal compressors is ...Read more
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      AI 75%C 10L Recirculating Chiller with 30L/min Centrifugal Pump
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    Web results

    YD Dual Centrifugal Chiller | YORK®


    york.com
    https://www.york.com › water-cooled-chillers › yd_ch
    york.com
    https://www.york.com › water-cooled-chillers › yd_ch
    The YD dual centrifugal chiller offers a variable-speed drive for real-world efficiency, a compact design and enhanced reliability.
    Missing: r134a ‎| Show results with: r134a

    R134a water cooled oil free centrifugal chiller


    H.Stars (Guangzhou) Refrigerating Equipment Group Ltd.
    https://www.hstarschiller.com › r134a-water-cooled-oil-...
    H.Stars (Guangzhou) Refrigerating Equipment Group Ltd.
    https://www.hstarschiller.com › r134a-water-cooled-oil-...
    Brand: Hstars. Frozen water temperature range: 5-20 ° C. Applications: Mainly used in central air conditioning systems and industrial process cooling.Read more

    LG CENTRIFUGAL CHILLERS


    Goldman Energy
    https://goldmanenergy.com.au › energy-services › lg-cen...
    Goldman Energy
    https://goldmanenergy.com.au › energy-services › lg-cen...
    LG CENTRIFUGAL CHILLERS. LG Electronics offer high-efficiency chlorine-free, water-cooled centrifugal Chillers using the R-134a refrigerant.Read more
    Missing: r134a ‎| Show results with: r134a
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