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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.
  • Low dead volume fitting adapter for connection to compression fitting tubes.
  • Union Connector - Low Dead Volume for fractional tube
    Unit of Measure
    1 

    Item #

    Connection Type

    T1 Tube O.D.

    T2 Tube O.D.

    A

    B

    C

    D1

    D2

    E Internal Opening

    G1

    G2

    H

    W HEX

    Internal Volume

    1-1 Z7HBZ7-SS N/A CPI™ to CPI™ N/A 1/16 in N/A 1/16 in N/A 1.26 in N/A .21 in N/A .21 in N/A .41 in N/A .41 in N/A .01 in N/A .25 in N/A .25 in N/A .84 in N/A 1/4 in N/A 8.7 x 10-5cc
    2-1 Z7HBZ7-SS N/A CPI™ to CPI™ N/A 1/8 in N/A 1/16 in N/A 1.53 in N/A .31 in N/A .21 in N/A .56 in N/A .41 in N/A .01 in N/A .38 in N/A .25 in N/A 1.01 in N/A 7/16 in N/A 8.7 x 10-5cc
    2-2 Z7HBZ7-SS N/A CPI™ to CPI™ N/A 1/8 in N/A 1/8 in N/A 1.81 in N/A .31 in N/A .31 in N/A .56 in N/A .56 in N/A .05 in N/A .38 in N/A .38 in N/A 1.19 in N/A 7/16 in N/A 9.7 x 10-2cc
    1-1 Z7HLZ7 N/A A-LOK® to A-LOK® N/A 1/16 in N/A 1/16 in N/A 1.26 in N/A .21 in N/A .21 in N/A .41 in N/A .41 in N/A .01 in N/A .25 in N/A .25 in N/A .84 in N/A 1/4 in N/A 8.7 x 10-5cc
    2-1 Z7HLZ7 N/A A-LOK® to A-LOK® N/A 1/8 in N/A 1/16 in N/A 1.53 in N/A .31 in N/A .21 in N/A .56 in N/A .41 in N/A .01 in N/A .38 in N/A .25 in N/A 1.01 in N/A 7/16 in N/A 8.7 x 10-5cc
    2-2 Z7HLZ7 N/A A-LOK® to A-LOK® N/A 1/8 in N/A 1/8 in N/A 1.81 in N/A .31 in N/A .31 in N/A .56 in N/A .56 in N/A .05 in N/A .38 in N/A .38 in N/A 1.19 in N/A 7/16 in N/A 9.7 x 10-2cc
    Unit of Measure
    1