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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.
  • Tube stub is pre-grooved as standard. (Size 1, 2, and 3 not grooved). Generic (non-grooved 4-16) can be ordered through Quick Response Department.
  • The machined ferrule end (T2) requires only 1/4 turn from finger tight to assemble.
  • Add -Z6 for assembly of nuts and ferrules on the tube stub end.
  • Port Connector for fractional tube
    Unit of Measure
    Items Port Connector for fractional tube
    1-1 ZPC
    Port Connector for fractional tube
    Port Connector for fractional tube
    1-2 ZPC
    Port Connector for fractional tube
    Port Connector for fractional tube
    1-4 ZPC
    Port Connector for fractional tube
    Port Connector for fractional tube
    2-2 ZPC
    Port Connector for fractional tube
    Port Connector for fractional tube
    2-4 ZPC
    Port Connector for fractional tube
    Connection Type N/A Tube for CPI™
    TUBE O.D. T1 N/A 1/16 in N/A 1/16 in N/A 1/16 in N/A 1/8 in N/A 1/8 in
    TUBE O.D. T2 N/A 1/16 in N/A 1/8 in N/A 1/4 in N/A 1/8 in N/A 1/4 in
    A N/A .63 in N/A .84 in N/A .91 in N/A .95 in N/A 1.05 in
    K N/A .44 in N/A .44 in N/A .44 in N/A .54 in N/A .54 in
    Bore N/A .03 in N/A .03 in N/A .03 in N/A .08 in N/A .08 in