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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.

For plugging open ended CPI™ / A-LOK® fitting ends

NOTE:
  • Dimensions for reference only, subject to change.

  • HOW TO ASSEMBLE

    Wrench tighten only 1/4 turn from finger tight position. Assembly includes machined ferrule with lock ring.
    Plug for fractional tube
    Unit of Measure
    Items Plug for fractional tube
    1 FNZ
    Plug for fractional tube
    Plug for fractional tube
    2 FNZ
    Plug for fractional tube
    Plug for fractional tube
    3 FNZ
    Plug for fractional tube
    Plug for fractional tube
    4 FNZ
    Plug for fractional tube
    Plug for fractional tube
    5 FNZ
    Plug for fractional tube
    Connection Type N/A CPI™
    Tube O.D. N/A 1/16 in N/A 1/8 in N/A 3/16 in N/A 1/4 in N/A 5/16 in
    Thread N/A 10-32 N/A 5/16-20 N/A 3/8-20 N/A 7/16-20 N/A 1/2-20
    A N/A .31 in N/A .47 in N/A .47 in N/A .50 in N/A .53 in
    W HEX N/A 5/16 in N/A 7/16 in N/A 1/2 in N/A 9/16 in N/A 5/8 in