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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.
    • NPT Male Branch Tee for metric tube
    Unit of Measure
    1 

    Item #

    Connection Type

    Tube O.D.

    NPT Pipe Thread

    A

    C

    H

    L

    R

    W HEX

    SBZ 6-6-1/8 N/A CPI™ x CPI™ x NPT N/A 6.0 mm N/A 1/8 N/A 53.8 mm N/A 26.9 mm N/A 18.9 mm N/A 19.5 mm N/A 9.7 mm N/A 1/2 in
    SBZ 6-6-1/4 N/A CPI™ x CPI™ x NPT N/A 6.0 mm N/A 1/4 N/A 53.8 mm N/A 26.9 mm N/A 23.8 mm N/A 19.5 mm N/A 13.5 mm N/A 1/2 in
    SBZ 8-8-1/8 N/A CPI™ x CPI™ x NPT N/A 8.0 mm N/A 1/8 N/A 60.0 mm N/A 30.0 mm N/A 20.9 mm N/A 22.3 mm N/A 9.7 mm N/A 5/8 in
    SBZ 8-8-1/4 N/A CPI™ x CPI™ x NPT N/A 8.0 mm N/A 1/4 N/A 60.0 mm N/A 30.0 mm N/A 25.7 mm N/A 22.3 mm N/A 14.5 mm N/A 5/8 in
    SBZ 10-10-1/4 N/A CPI™ x CPI™ x NPT N/A 10.0 mm N/A 1/4 N/A 67.0 mm N/A 33.5 mm N/A 28.4 mm N/A 25.9 mm N/A 14.5 mm N/A 13/16 in
    SBZ 10-10-3/8 N/A CPI™ x CPI™ x NPT N/A 10.0 mm N/A 3/8 N/A 67.0 mm N/A 33.5 mm N/A 28.4 mm N/A 25.9 mm N/A 14.5 mm N/A 13/16 in
    SBZ 12-12-1/4 N/A CPI™ x CPI™ x NPT N/A 12.0 mm N/A 1/4 N/A 72.2 mm N/A 36.1 mm N/A 28.4 mm N/A 25.9 mm N/A 14.5 mm N/A 13/16 in
    SBZ 12-12-3/8 N/A CPI™ x CPI™ x NPT N/A 12.0 mm N/A 3/8 N/A 72.2 mm N/A 36.1 mm N/A 28.7 mm N/A 25.9 mm N/A 14.5 mm N/A 13/16 in
    SBZ 12-12-1/2 N/A CPI™ x CPI™ x NPT N/A 12.0 mm N/A 1/2 N/A 72.2 mm N/A 36.1 mm N/A 33.2 mm N/A 25.9 mm N/A 19.3 mm N/A 13/16 in
    SBZ 16-16-1/2 N/A CPI™ x CPI™ x NPT N/A 16.0 mm N/A 1/2 N/A 77.6 mm N/A 38.8 mm N/A 36.2 mm N/A 28.7 mm N/A 19.3 mm N/A 1 in
    M6MBT1/8N N/A A-LOK® x A-LOK® x NPT N/A 6.0 mm N/A 1/8 N/A 53.8 mm N/A 26.9 mm N/A 18.9 mm N/A 19.5 mm N/A 9.7 mm N/A 1/2 in
    M6MBT1/4N N/A A-LOK® x A-LOK® x NPT N/A 6.0 mm N/A 1/4 N/A 53.8 mm N/A 26.9 mm N/A 23.8 mm N/A 19.5 mm N/A 13.5 mm N/A 1/2 in
    M8MBT1/8N N/A A-LOK® x A-LOK® x NPT N/A 8.0 mm N/A 1/8 N/A 60.0 mm N/A 30.0 mm N/A 20.9 mm N/A 22.3 mm N/A 9.7 mm N/A 5/8 in
    M8MBT1/4N N/A A-LOK® x A-LOK® x NPT N/A 8.0 mm N/A 1/4 N/A 60.0 mm N/A 30.0 mm N/A 25.7 mm N/A 22.3 mm N/A 14.5 mm N/A 5/8 in
    M10MBT1/4N N/A A-LOK® x A-LOK® x NPT N/A 10.0 mm N/A 1/4 N/A 67.0 mm N/A 33.5 mm N/A 28.4 mm N/A 25.9 mm N/A 14.5 mm N/A 13/16 in
    M10MBT3/8N N/A A-LOK® x A-LOK® x NPT N/A 10.0 mm N/A 3/8 N/A 67.0 mm N/A 33.5 mm N/A 28.4 mm N/A 25.9 mm N/A 14.5 mm N/A 13/16 in
    M12MBT1/4N N/A A-LOK® x A-LOK® x NPT N/A 12.0 mm N/A 1/4 N/A 72.2 mm N/A 36.1 mm N/A 28.4 mm N/A 25.9 mm N/A 14.5 mm N/A 13/16 in
    M12MBT3/8N N/A A-LOK® x A-LOK® x NPT N/A 12.0 mm N/A 3/8 N/A 72.2 mm N/A 36.1 mm N/A 28.7 mm N/A 25.9 mm N/A 14.5 mm N/A 13/16 in
    M12MBT1/2N N/A A-LOK® x A-LOK® x NPT N/A 12.0 mm N/A 1/2 N/A 72.2 mm N/A 36.1 mm N/A 33.2 mm N/A 25.9 mm N/A 19.3 mm N/A 13/16 in
    M16MBT1/2N N/A A-LOK® x A-LOK® x NPT N/A 16.0 mm N/A 1/2 N/A 77.8 mm N/A 38.9 mm N/A 36.2 mm N/A 28.7 mm N/A 19.3 mm N/A 1 in
    Unit of Measure
    1