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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.
  • For bulkhead hole drill size and maximum bulkhead thickness, see page 32, Part BC.
  • This connector allows a 37° Flare to Compression connection.
    • 37° Flare Bulkhead Connector for fractional tube
    Unit of Measure
    1 

    Item #

    Connection Type

    Flare End

    Tube O.D.

    A

    C

    L

    B

    W HEX

    2-2 XH2BZ N/A 37° Flare to CPI™ N/A 1/8 N/A 1/8 in N/A 1.91 in N/A 1.23 in N/A .97 in N/A .45 in N/A 1/2 in
    3-3 XH2BZ N/A 37° Flare to CPI™ N/A 3/16 N/A 3/16 in N/A 1.98 in N/A 1.26 in N/A .99 in N/A .48 in N/A 9/16 in
    4-2 XH2BZ N/A 37° Flare to CPI™ N/A 1/4 N/A 1/8 in N/A 2.03 in N/A 1.23 in N/A .98 in N/A .55 in N/A 5/8 in
    4-4 XH2BZ N/A 37° Flare to CPI™ N/A 1/4 N/A 1/4 in N/A 2.12 in N/A 1.31 in N/A 1.02 in N/A .55 in N/A 5/8 in
    5-5 XH2BZ N/A 37° Flare to CPI™ N/A 5/16 N/A 5/16 in N/A 2.21 in N/A 1.42 in N/A 1.13 in N/A .55 in N/A 11/16 in
    4-6 XH2BZ N/A 37° Flare to CPI™ N/A 1/4 N/A 3/8 in N/A 2.25 in N/A 1.44 in N/A 1.15 in N/A .55 in N/A 3/4 in
    6-6 XH2BZ N/A 37° Flare to CPI™ N/A 3/8 N/A 3/8 in N/A 2.25 in N/A 1.44 in N/A 1.15 in N/A .55 in N/A 3/4 in
    8-8 XH2BZ N/A 37° Flare to CPI™ N/A 1/2 N/A 1/2 in N/A 2.59 in N/A 1.65 in N/A 1.25 in N/A .66 in N/A 15/16 in
    10-10 XH2BZ N/A 37° Flare to CPI™ N/A 5/8 N/A 5/8 in N/A 2.74 in N/A 1.68 in N/A 1.28 in N/A .76 in N/A 1 1/16 in
    12-12 XH2BZ N/A 37° Flare to CPI™ N/A 3/4 N/A 3/4 in N/A 3.11 in N/A 1.87 in N/A 1.47 in N/A .86 in N/A 1 3/16 in
    16-16 XH2BZ N/A 37° Flare to CPI™ N/A 1 N/A 1 in N/A 3.65 in N/A 2.27 in N/A 1.78 in N/A .91 in N/A 1 9/16 in
    2XABC2 N/A 37° Flare to A-LOK® N/A 1/8 N/A 1/8 in N/A 1.91 in N/A 1.23 in N/A .97 in N/A .45 in N/A 1/2 in
    3XABC3 N/A 37° Flare to A-LOK® N/A 3/16 N/A 3/16 in N/A 1.98 in N/A 1.26 in N/A .99 in N/A .48 in N/A 9/16 in
    4XABC2 N/A 37° Flare to A-LOK® N/A 1/4 N/A 1/8 in N/A 2.03 in N/A 1.23 in N/A .98 in N/A .55 in N/A 5/8 in
    4XABC4 N/A 37° Flare to A-LOK® N/A 1/4 N/A 1/4 in N/A 2.12 in N/A 1.31 in N/A 1.02 in N/A .55 in N/A 5/8 in
    5XABC5 N/A 37° Flare to A-LOK® N/A 5/16 N/A 5/16 in N/A 2.21 in N/A 1.42 in N/A 1.13 in N/A .55 in N/A 11/16 in
    4XABC6 N/A 37° Flare to A-LOK® N/A 1/4 N/A 3/8 in N/A 2.25 in N/A 1.44 in N/A 1.15 in N/A .55 in N/A 3/4 in
    6XABC6 N/A 37° Flare to A-LOK® N/A 3/8 N/A 3/8 in N/A 2.25 in N/A 1.44 in N/A 1.15 in N/A .55 in N/A 3/4 in
    8XABC8 N/A 37° Flare to A-LOK® N/A 1/2 N/A 1/2 in N/A 2.59 in N/A 1.65 in N/A 1.25 in N/A .66 in N/A 15/16 in
    10XABC10 N/A 37° Flare to A-LOK® N/A 5/8 N/A 5/8 in N/A 2.74 in N/A 1.68 in N/A 1.28 in N/A .76 in N/A 1 1/16 in
    12XABC12 N/A 37° Flare to A-LOK® N/A 3/4 N/A 3/4 in N/A 3.11 in N/A 1.87 in N/A 1.47 in N/A .86 in N/A 1 3/16 in
    16XABC16 N/A 37° Flare to A-LOK® N/A 1 N/A 1 in N/A 3.65 in N/A 2.27 in N/A 1.78 in N/A .91 in N/A 1 9/16 in
    Unit of Measure
    1