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Parker CPI™/A-LOK® Instrumentation Tube Fittings are designed as leak-free connections for process, power and instrumentation applications. The CPI tube fittings utilize a single ferrule for easy make-up and excellent performance in vibration applications. The “spring loaded” effect of the single ferrule creates a constant tension between the fitting body and fitting nut. The A-LOK two ferrule compression tube fittings are designed to provide reliable leak-free connections for applications that specify a two ferrule system. These single and two ferrule fitting designs are manufactured to the highest quality standards and are available in a broad range of sizes, materials and configurations.

NOTE:
  • Dimensions for reference only, subject to change.
  • A and C dimensions are typical finger-tight.
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    Item #

    Connection Type

    Tube O.D.

    A

    C

    L

    W HEX

    N/A CPI™ x CPI™ x CPI™ N/A 2.0 mm N/A 44.8 mm N/A 22.4 mm N/A 15.8 mm N/A 3/8 in
    N/A CPI™ x CPI™ x CPI™ N/A 3.0 mm N/A 44.8 mm N/A 22.4 mm N/A 15.8 mm N/A 3/8 in
    N/A CPI™ x CPI™ x CPI™ N/A 4.0 mm N/A 51.4 mm N/A 25.7 mm N/A 18.8 mm N/A 1/2 in
    N/A CPI™ x CPI™ x CPI™ N/A 6.0 mm N/A 53.8 mm N/A 26.9 mm N/A 19.6 mm N/A 1/2 in
    N/A CPI™ x CPI™ x CPI™ N/A 8.0 mm N/A 60.4 mm N/A 30.2 mm N/A 22.4 mm N/A 5/8 in
    N/A CPI™ x CPI™ x CPI™ N/A 10.0 mm N/A 63.0 mm N/A 31.5 mm N/A 23.9 mm N/A 11/16 in
    N/A CPI™ x CPI™ x CPI™ N/A 12.0 mm N/A 72.2 mm N/A 36.1 mm N/A 25.9 mm N/A 13/16 in
    N/A CPI™ x CPI™ x CPI™ N/A 14.0 mm N/A 77.6 mm N/A 38.8 mm N/A 28.7 mm N/A 1 in
    N/A CPI™ x CPI™ x CPI™ N/A 15.0 mm N/A 77.6 mm N/A 38.8 mm N/A 28.7 mm N/A 1 in
    N/A CPI™ x CPI™ x CPI™ N/A 16.0 mm N/A 77.8 mm N/A 38.9 mm N/A 28.7 mm N/A 1 in
    N/A CPI™ x CPI™ x CPI™ N/A 18.0 mm N/A 79.6 mm N/A 39.8 mm N/A 29.7 mm N/A 1 1/16 in
    N/A CPI™ x CPI™ x CPI™ N/A 20.0 mm N/A 89.2 mm N/A 44.6 mm N/A 34.5 mm N/A 1 3/8 in
    N/A CPI™ x CPI™ x CPI™ N/A 22.0 mm N/A 89.2 mm N/A 44.6 mm N/A 34.5 mm N/A 1 3/8 in
    N/A CPI™ x CPI™ x CPI™ N/A 25.0 mm N/A 98.2 mm N/A 49.1 mm N/A 36.8 mm N/A 1 3/8 in
    N/A A-LOK® x A-LOK® x A-LOK® N/A 2.0 mm N/A 44.8 mm N/A 22.4 mm N/A 15.8 mm N/A 3/8 in
    N/A A-LOK® x A-LOK® x A-LOK® N/A 3.0 mm N/A 44.8 mm N/A 22.4 mm N/A 15.8 mm N/A 3/8 in
    N/A A-LOK® x A-LOK® x A-LOK® N/A 4.0 mm N/A 51.4 mm N/A 25.7 mm N/A 18.8 mm N/A 1/2 in
    N/A A-LOK® x A-LOK® x A-LOK® N/A 6.0 mm N/A 53.8 mm N/A 26.9 mm N/A 19.6 mm N/A 1/2 in
    N/A A-LOK® x A-LOK® x A-LOK® N/A 8.0 mm N/A 60.4 mm N/A 30.2 mm N/A 22.4 mm N/A 5/8 in
    N/A A-LOK® x A-LOK® x A-LOK® N/A 10.0 mm N/A 63.0 mm N/A 31.5 mm N/A 23.9 mm N/A 11/16 in
    N/A A-LOK® x A-LOK® x A-LOK® N/A 12.0 mm N/A 72.2 mm N/A 36.1 mm N/A 25.9 mm N/A 13/16 in
    N/A A-LOK® x A-LOK® x A-LOK® N/A 14.0 mm N/A 77.6 mm N/A 38.8 mm N/A 28.7 mm N/A 1 in
    N/A A-LOK® x A-LOK® x A-LOK® N/A 15.0 mm N/A 77.6 mm N/A 38.8 mm N/A 28.7 mm N/A 1 in
    N/A A-LOK® x A-LOK® x A-LOK® N/A 16.0 mm N/A 77.8 mm N/A 38.9 mm N/A 28.7 mm N/A 1 in
    N/A A-LOK® x A-LOK® x A-LOK® N/A 18.0 mm N/A 79.6 mm N/A 39.8 mm N/A 29.7 mm N/A 1 1/16 in
    1 - 25 of 28 | Results Per Page | View | Unit of Measure
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