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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.
    • BSP Taper Female Connector for fractional tube
    Unit of Measure
    1 

    Item #

    Connection Type

    BSPT Thread

    A

    C

    W HEX

    Bore

    4-2K GBZ N/A CPI™ to FBSPT N/A 1/8 N/A 1.24 in N/A .70 in N/A 9/16 in N/A .19 in
    4-4K GBZ N/A CPI™ to FBSPT N/A 1/4 N/A 1.42 in N/A .70 in N/A 3/4 in N/A .19 in
    4-6K GBZ N/A CPI™ to FBSPT N/A 3/8 N/A 1.49 in N/A .70 in N/A 7/8 in N/A .19 in
    4-8K GBZ N/A CPI™ to FBSPT N/A 1/2 N/A 1.68 in N/A .70 in N/A 1 1/16 in N/A .19 in
    6-4K GBZ N/A CPI™ to FBSPT N/A 1/4 N/A 1.48 in N/A .76 in N/A 3/4 in N/A .28 in
    6-6K GBZ N/A CPI™ to FBSPT N/A 3/8 N/A 1.54 in N/A .76 in N/A 7/8 in N/A .28 in
    6-8K GBZ N/A CPI™ to FBSPT N/A 1/2 N/A 1.73 in N/A .76 in N/A 1 1/16 in N/A .28 in
    8-4K GBZ N/A CPI™ to FBSPT N/A 1/4 N/A 1.59 in N/A .87 in N/A 13/16 in N/A .41 in
    8-6K GBZ N/A CPI™ to FBSPT N/A 3/8 N/A 1.65 in N/A .87 in N/A 7/8 in N/A .41 in
    8-8K GBZ N/A CPI™ to FBSPT N/A 1/2 N/A 1.84 in N/A .87 in N/A 1 1/16 in N/A .41 in
    4FSC2K N/A A-LOK® to FBSPT N/A 1/8 N/A 1.24 in N/A .70 in N/A 9/16 in N/A .19 in
    4FSC4K N/A A-LOK® to FBSPT N/A 1/4 N/A 1.42 in N/A .70 in N/A 3/4 in N/A .19 in
    4FSC6K N/A A-LOK® to FBSPT N/A 3/8 N/A 1.49 in N/A .70 in N/A 7/8 in N/A .19 in
    4FSC8K N/A A-LOK® to FBSPT N/A 1/2 N/A 1.68 in N/A .70 in N/A 1 1/16 in N/A .19 in
    6FSC4K N/A A-LOK® to FBSPT N/A 1/4 N/A 1.48 in N/A .76 in N/A 3/4 in N/A .28 in
    6FSC6K N/A A-LOK® to FBSPT N/A 3/8 N/A 1.54 in N/A .76 in N/A 7/8 in N/A .28 in
    6FSC8K N/A A-LOK® to FBSPT N/A 1/2 N/A 1.73 in N/A .76 in N/A 1 1/16 in N/A .28 in
    8FSC4K N/A A-LOK® to FBSPT N/A 1/4 N/A 1.59 in N/A .87 in N/A 13/16 in N/A .41 in
    8FSC6K N/A A-LOK® to FBSPT N/A 3/8 N/A 1.65 in N/A .87 in N/A 7/8 in N/A .41 in
    8FSC8K N/A A-LOK® to FBSPT N/A 1/2 N/A 1.84 in N/A .87 in N/A 1 1/16 in N/A .41 in
    Unit of Measure
    1