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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.
  • C dimension is typical finger-tight.
  • Adapter fitting for connection of compression fittings to welded systems.
    • Socket Weld Elbow for fractional tube
    Unit of Measure
    1 

    Item #

    Connection Type

    C

    L

    H

    P

    X

    W HEX

    2-2 ZEBW N/A CPI™ x Socket Weld N/A .92 in N/A .66 in N/A .63 in N/A .16 in N/A .38 in N/A 5/16 in
    3-3 ZEBW N/A CPI™ x Socket Weld N/A .98 in N/A .72 in N/A .69 in N/A .20 in N/A .44 in N/A 7/16 in
    4-4 ZEBW N/A CPI™ x Socket Weld N/A 1.06 in N/A .78 in N/A .84 in N/A .25 in N/A .50 in N/A 9/16 in
    6-6 ZEBW N/A CPI™ x Socket Weld N/A 1.31 in N/A 1.02 in N/A 1.08 in N/A .34 in N/A .63 in N/A 3/4 in
    8-8 ZEBW N/A CPI™ x Socket Weld N/A 1.42 in N/A 1.02 in N/A 1.14 in N/A .41 in N/A .76 in N/A 3/4 in
    10-10 ZEBW N/A CPI™ x Socket Weld N/A 1.57 in N/A 1.17 in N/A 1.35 in N/A .49 in N/A .94 in N/A 1 1/16 in
    12-12 ZEBW N/A CPI™ x Socket Weld N/A 1.57 in N/A 1.17 in N/A 1.39 in N/A .50 in N/A 1.09 in N/A 1 1/16 in
    16-16 ZEBW N/A CPI™ x Socket Weld N/A 2.14 in N/A 1.65 in N/A 1.84 in N/A .56 in N/A 1.44 in N/A 1 5/8 in
    2-2 ZELW N/A A-LOK® x Socket Weld N/A .92 in N/A .66 in N/A .63 in N/A .16 in N/A .38 in N/A 5/16 in
    3-3 ZELW N/A A-LOK® x Socket Weld N/A .98 in N/A .72 in N/A .69 in N/A .20 in N/A .44 in N/A 7/16 in
    4-4 ZELW N/A A-LOK® x Socket Weld N/A 1.06 in N/A .78 in N/A .84 in N/A .25 in N/A .50 in N/A 9/16 in
    6-6 ZELW N/A A-LOK® x Socket Weld N/A 1.31 in N/A 1.02 in N/A 1.08 in N/A .34 in N/A .63 in N/A 3/4 in
    8-8 ZELW N/A A-LOK® x Socket Weld N/A 1.42 in N/A 1.02 in N/A 1.14 in N/A .41 in N/A .76 in N/A 3/4 in
    10-10 ZELW N/A A-LOK® x Socket Weld N/A 1.57 in N/A 1.17 in N/A 1.35 in N/A .49 in N/A .94 in N/A 1 1/16 in
    12-12 ZELW N/A A-LOK® x Socket Weld N/A 1.57 in N/A 1.17 in N/A 1.39 in N/A .50 in N/A 1.09 in N/A 1 1/16 in
    16-16 ZELW N/A A-LOK® x Socket Weld N/A 2.14 in N/A 1.65 in N/A 1.84 in N/A .56 in N/A 1.44 in N/A 1 5/8 in
    Unit of Measure
    1