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    AC134A Air Conditioning PolarSeal® I Hose

    PolarSeal® I Hose is designed for environmentally-safe liquid and gaseous LR134a and R12 refrigerant applications in automotive air conditioning and industrial systems, including tractors, construction trucks, mobile and stationary refrigeration units. Designed to minimize permeation of R134a and R12 refrigerant.

    • Synthetic EPDM rubber, nylon barrier, and reinforced polyester construction.
    • Working Pressure: 3,44 MPa.
    • Size: 5/16" to 5/8".

    All Parts

    Part # Product # Description Maximum Working Pressure (psi) Maximum Working Pressure (bar) Inside Diameter (in) Inside Diameter (mm) Outside Diameter (in) Outside Diameter (mm)


    PolarSeal® I Hose builds on our decades of innovation in material science. PolarSeal® I Hose is specially constructed to handle environmentally-sensitive liquid and gaseous refrigerant applications. Synthetic EPDM cover construction, a nylon internal barrier inside a chloroprene rubber tube, and spiraled polyester reinforcement create a highly durable, low permeation refrigerant-specific fluid power solution for a wide range of automotive and industrial applications.

    Features and Benefits

    • SAE J51, Type A2 Dimensions; SAE J51, Type D Performance; SAE J2064, Type C, Class II Performance.
    • Temperature Range:
        • -30°C to +125°C
        • -22°F to +257°F
    • Multiple crimping options.
    • Design factor: 4:1.
    • Nylon barrier.


    Whether on the road or on the factory floor, even a little refrigerant leak can be a big deal. That's why our PolarSeal® I Hose is highly engineered to withstand the most demanding operating environments, including wide fluctuations in external temperature, ensuring maximum durability and extended service life.

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