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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.
  • This connector allows a 37° Flare to Compression connection.
    • 37° Flare Connector for fractional tube
    Unit of Measure
    1 

    Item #

    Connection Type

    Flare End

    Tube O.D.

    A

    B

    C

    W HEX

    2-1 XHBZ N/A 37° Flare to CPI™ N/A 1/8 N/A 1/16 in N/A 1.07 in N/A .45 in N/A .43 in N/A 7/16 in
    2-2 XHBZ N/A 37° Flare to CPI™ N/A 1/8 N/A 1/8 in N/A 1.27 in N/A .45 in N/A .60 in N/A 7/16 in
    4-2 XHBZ N/A 37° Flare to CPI™ N/A 1/4 N/A 1/8 in N/A 1.38 in N/A .55 in N/A .60 in N/A 1/2 in
    3-3 XHBZ N/A 37° Flare to CPI™ N/A 3/16 N/A 3/16 in N/A 1.39 in N/A .48 in N/A .64 in N/A 7/16 in
    4-4 XHBZ N/A 37° Flare to CPI™ N/A 1/4 N/A 1/4 in N/A 1.48 in N/A .55 in N/A .70 in N/A 1/2 in
    5-5 XHBZ N/A 37° Flare to CPI™ N/A 5/16 N/A 5/16 in N/A 1.51 in N/A .55 in N/A .73 in N/A 9/16 in
    4-6 XHBZ N/A 37° Flare to CPI™ N/A 1/4 N/A 3/8 in N/A 1.56 in N/A .55 in N/A .76 in N/A 5/8 in
    6-6 XHBZ N/A 37° Flare to CPI™ N/A 3/8 N/A 3/8 in N/A 1.56 in N/A .55 in N/A .76 in N/A 5/8 in
    8-8 XHBZ N/A 37° Flare to CPI™ N/A 1/2 N/A 1/2 in N/A 1.81 in N/A .66 in N/A .87 in N/A 13/16 in
    10-10 XHBZ N/A 37° Flare to CPI™ N/A 5/8 N/A 5/8 in N/A 1.93 in N/A .76 in N/A .87 in N/A 15/16 in
    12-12 XHBZ N/A 37° Flare to CPI™ N/A 3/4 N/A 3/4 in N/A 2.11 in N/A .86 in N/A .87 in N/A 1 1/8 in
    16-16 XHBZ N/A 37° Flare to CPI™ N/A 1 N/A 1 in N/A 2.43 in N/A .91 in N/A 1.05 in N/A 1 3/8 in
    2XASC1 N/A 37° Flare to A-LOK® N/A 1/8 N/A 1/16 in N/A 1.07 in N/A .45 in N/A .43 in N/A 7/16 in
    2XASC2 N/A 37° Flare to A-LOK® N/A 1/8 N/A 1/8 in N/A 1.27 in N/A .45 in N/A .60 in N/A 7/16 in
    4XASC2 N/A 37° Flare to A-LOK® N/A 1/4 N/A 1/8 in N/A 1.38 in N/A .55 in N/A .60 in N/A 1/2 in
    3XASC3 N/A 37° Flare to A-LOK® N/A 3/16 N/A 3/16 in N/A 1.39 in N/A .48 in N/A .64 in N/A 7/16 in
    4XASC4 N/A 37° Flare to A-LOK® N/A 1/4 N/A 1/4 in N/A 1.48 in N/A .55 in N/A .70 in N/A 1/2 in
    5XASC5 N/A 37° Flare to A-LOK® N/A 5/16 N/A 5/16 in N/A 1.51 in N/A .55 in N/A .73 in N/A 9/16 in
    4XASC6 N/A 37° Flare to A-LOK® N/A 1/4 N/A 3/8 in N/A 1.56 in N/A .55 in N/A .76 in N/A 5/8 in
    6XASC6 N/A 37° Flare to A-LOK® N/A 3/8 N/A 3/8 in N/A 1.56 in N/A .55 in N/A .76 in N/A 5/8 in
    8XASC8 N/A 37° Flare to A-LOK® N/A 1/2 N/A 1/2 in N/A 1.81 in N/A .66 in N/A .87 in N/A 13/16 in
    10XASC10 N/A 37° Flare to A-LOK® N/A 5/8 N/A 5/8 in N/A 1.93 in N/A .76 in N/A .87 in N/A 15/16 in
    12XASC12 N/A 37° Flare to A-LOK® N/A 3/4 N/A 3/4 in N/A 2.11 in N/A .86 in N/A .87 in N/A 1 1/8 in
    16XASC16 N/A 37° Flare to A-LOK® N/A 1 N/A 1 in N/A 2.43 in N/A .91 in N/A 1.05 in N/A 1 3/8 in
    Unit of Measure
    1