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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.
  • Sizes 20, 24, 32 require additional lubrication prior to assembly.
  • Union Elbow for fractional tube
    Unit of Measure
    Items Union Elbow for fractional tube
    1-1 EBZ
    Union Elbow for fractional tube
    Union Elbow for fractional tube
    2-2 EBZ
    Union Elbow for fractional tube
    Union Elbow for fractional tube
    3-3 EBZ
    Union Elbow for fractional tube
    Union Elbow for fractional tube
    4-4 EBZ
    Union Elbow for fractional tube
    Union Elbow for fractional tube
    5-5 EBZ
    Union Elbow for fractional tube
    Connection Type N/A CPI™ to CPI™
    C N/A .70 in N/A .88 in N/A 1.00 in N/A 1.06 in N/A 1.13 in
    L N/A .55 in N/A .62 in N/A .74 in N/A .77 in N/A .84 in
    W HEX N/A 3/8 in N/A 3/8 in N/A 1/2 in N/A 1/2 in N/A 9/16 in