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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.
    • Union Cross for fractional tube
    Unit of Measure
    1 

    Item #

    Connection Type

    A

    C

    L

    W HEX

    2 KBZ N/A CPI™ x CPI™ x CPI™ x CPI™ N/A 1.76 in N/A .88 in N/A .62 in N/A 7/16 in
    3 KBZ N/A CPI™ x CPI™ x CPI™ x CPI™ N/A 1.92 in N/A .96 in N/A .70 in N/A 7/16 in
    4 KBZ N/A CPI™ x CPI™ x CPI™ x CPI™ N/A 2.12 in N/A 1.06 in N/A .76 in N/A 1/2 in
    5 KBZ N/A CPI™ x CPI™ x CPI™ x CPI™ N/A 2.34 in N/A 1.17 in N/A .88 in N/A 5/8 in
    6 KBZ N/A CPI™ x CPI™ x CPI™ x CPI™ N/A 2.34 in N/A 1.17 in N/A .88 in N/A 5/8 in
    8 KBZ N/A CPI™ x CPI™ x CPI™ x CPI™ N/A 2.84 in N/A 1.42 in N/A 1.02 in N/A 13/16 in
    10 KBZ N/A CPI™ x CPI™ x CPI™ x CPI™ N/A 3.14 in N/A 1.57 in N/A 1.17 in N/A 1 1/16 in
    12 KBZ N/A CPI™ x CPI™ x CPI™ x CPI™ N/A 3.14 in N/A 1.57 in N/A 1.17 in N/A 1 1/16 in
    14 KBZ N/A CPI™ x CPI™ x CPI™ x CPI™ N/A 3.52 in N/A 1.76 in N/A 1.36 in N/A 1 5/16 in
    16 KBZ N/A CPI™ x CPI™ x CPI™ x CPI™ N/A 3.88 in N/A 1.94 in N/A 1.45 in N/A 1 5/16 in
    2ECR2 N/A A-LOK® x A-LOK® x A-LOK® x A-LOK® N/A 1.76 in N/A .88 in N/A .62 in N/A 7/16 in
    3ECR3 N/A A-LOK® x A-LOK® x A-LOK® x A-LOK® N/A 1.92 in N/A .96 in N/A .70 in N/A 7/16 in
    4ECR4 N/A A-LOK® x A-LOK® x A-LOK® x A-LOK® N/A 2.12 in N/A 1.06 in N/A .76 in N/A 1/2 in
    5ECR5 N/A A-LOK® x A-LOK® x A-LOK® x A-LOK® N/A 2.34 in N/A 1.17 in N/A .88 in N/A 5/8 in
    6ECR6 N/A A-LOK® x A-LOK® x A-LOK® x A-LOK® N/A 2.34 in N/A 1.17 in N/A .88 in N/A 5/8 in
    8ECR8 N/A A-LOK® x A-LOK® x A-LOK® x A-LOK® N/A 2.84 in N/A 1.42 in N/A 1.02 in N/A 13/16 in
    10ECR10 N/A A-LOK® x A-LOK® x A-LOK® x A-LOK® N/A 3.14 in N/A 1.57 in N/A 1.17 in N/A 1 1/16 in
    12ECR12 N/A A-LOK® x A-LOK® x A-LOK® x A-LOK® N/A 3.14 in N/A 1.57 in N/A 1.17 in N/A 1 1/16 in
    14ECR14 N/A A-LOK® x A-LOK® x A-LOK® x A-LOK® N/A 3.52 in N/A 1.76 in N/A 1.36 in N/A 1 5/16 in
    16ECR16 N/A A-LOK® x A-LOK® x A-LOK® x A-LOK® N/A 3.88 in N/A 1.94 in N/A 1.45 in N/A 1 5/16 in
    Unit of Measure
    1