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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, C1 and C2 dimensions are typical finger-tight.
  • Reducing Union for metric tube
    Unit of Measure
    Items Reducing Union for metric tube
    HBZ 3-2
    Conversion Union for metric tube
    Reducing Union for metric tube
    HBZ 6-2
    Conversion Union for metric tube
    Reducing Union for metric tube
    HBZ 6-3
    Conversion Union for metric tube
    Reducing Union for metric tube
    HBZ 6-4
    Conversion Union for metric tube
    Reducing Union for metric tube
    HBZ 8-6
    Conversion Union for metric tube
    Connection Type N/A CPI™ to CPI™
    T1 Tube O.D. N/A 3.0 mm N/A 6.0 mm N/A 6.0 mm N/A 6.0 mm N/A 8.0 mm
    T2 Tube O.D. N/A 2.0 mm N/A 2.0 mm N/A 3.0 mm N/A 4.0 mm N/A 6.0 mm
    A N/A 35.8 mm N/A 38.7 mm N/A 38.7 mm N/A 39.5 mm N/A 42.4 mm
    C1 N/A 15.3 mm N/A 17.7 mm N/A 17.7 mm N/A 17.7 mm N/A 18.6 mm
    C2 N/A 15.3 mm N/A 15.3 mm N/A 15.3 mm N/A 16.1 mm N/A 17.7 mm
    W HEX N/A 12.0 mm N/A 14.0 mm N/A 14.0 mm N/A 14.0 mm N/A 15.0 mm