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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.
  • Tube stub is pre-grooved as standard. Generic (non-grooved) can be ordered through Quick Response Department.
  • Add -Z6 for assembly of nuts and ferrules on the tube stub end.
  • Tube End Bulkhead Adapter for fractional tube
    Unit of Measure
    1 

    Item #

    Connection Type

    A

    C

    L

    K

    Bore

    W HEX

    2-2 T2H2BZ N/A Tube to CPI™ N/A 1.95 in N/A 1.23 in N/A .97 in N/A .53 in N/A .09 in N/A 1/2 in
    4-4 T2H2BZ N/A Tube to CPI™ N/A 2.20 in N/A 1.31 in N/A 1.02 in N/A .63 in N/A .19 in N/A 5/8 in
    6-6 T2H2BZ N/A Tube to CPI™ N/A 2.42 in N/A 1.44 in N/A 1.16 in N/A .69 in N/A .28 in N/A 3/4 in
    8-8 T2H2BZ N/A Tube to CPI™ N/A 2.87 in N/A 1.65 in N/A 1.25 in N/A .91 in N/A .41 in N/A 15/16 in
    2TUBC2 N/A Tube to A-LOK® N/A 1.95 in N/A 1.23 in N/A .97 in N/A .53 in N/A .09 in N/A 1/2 in
    4TUBC4 N/A Tube to A-LOK® N/A 2.20 in N/A 1.31 in N/A 1.02 in N/A .63 in N/A .19 in N/A 5/8 in
    6TUBC6 N/A Tube to A-LOK® N/A 2.42 in N/A 1.44 in N/A 1.16 in N/A .69 in N/A .28 in N/A 3/4 in
    8TUBC8 N/A Tube to A-LOK® N/A 2.87 in N/A 1.65 in N/A 1.25 in N/A .91 in N/A .41 in N/A 15/16 in
    Unit of Measure
    1