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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 Run Tee for fractional tube
    Unit of Measure
    Items NPT Male Run Tee for fractional tube
    2-2-2 RBZ
    NPT Male Run Tee for fractional tube     		NPT Male Run Tee for fractional tube
    2-4-2 RBZ
    NPT Male Run Tee for fractional tube     		NPT Male Run Tee for fractional tube
    3-2-3 RBZ
    NPT Male Run Tee for fractional tube     		NPT Male Run Tee for fractional tube
    4-2-4 RBZ
    NPT Male Run Tee for fractional tube     		NPT Male Run Tee for fractional tube
    4-4-4 RBZ
    NPT Male Run Tee for fractional tube
    Connection Type N/A CPI™ x NPT x CPI™
    NPT Pipe Thread N/A 1/8 N/A 1/4 N/A 1/8 N/A 1/8 N/A 1/4
    A N/A 1.63 in N/A 1.89 in N/A 1.66 in N/A 1.80 in N/A 1.99 in
    C N/A .93 in N/A .96 in N/A .96 in N/A 1.06 in N/A 1.06 in
    H N/A .70 in N/A .93 in N/A .70 in N/A .74 in N/A .93 in
    L N/A .66 in N/A .70 in N/A .70 in N/A .77 in N/A .77 in
    R N/A .38 in N/A .56 in N/A .38 in N/A .38 in N/A .56 in
    W HEX N/A 7/16 in N/A 9/16 in N/A 7/16 in N/A 1/2 in N/A 1/2 in