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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.
  • BSP Taper Male Connector for metric tube
    Unit of Measure
    Items BSP Taper Male Connector for metric tube
    FBZ 2-1/8K
    BSP Taper Male Connector for metric tube
    BSP Taper Male Connector for metric tube
    FBZ 3-1/8K
    BSP Taper Male Connector for metric tube
    BSP Taper Male Connector for metric tube
    FBZ 3-1/4K
    BSP Taper Male Connector for metric tube
    BSP Taper Male Connector for metric tube
    FBZ 4-1/8K
    BSP Taper Male Connector for metric tube
    BSP Taper Male Connector for metric tube
    FBZ 4-1/4K
    BSP Taper Male Connector for metric tube
    Connection Type N/A CPI™ to BSPT
    Tube O.D. N/A 2.0 mm N/A 3.0 mm N/A 3.0 mm N/A 4.0 mm N/A 4.0 mm
    BSPT Thread N/A 1/8 N/A 1/8 N/A 1/4 N/A 1/8 N/A 1/4
    A N/A 29.7 mm N/A 29.7 mm N/A 35.3 mm N/A 31.2 mm N/A 36.3 mm
    C N/A 15.3 mm N/A 15.3 mm N/A 15.3 mm N/A 16.1 mm N/A 16.1 mm
    R N/A 9.7 mm N/A 9.7 mm N/A 14.5 mm N/A 9.7 mm N/A 14.5 mm
    W HEX N/A 12.0 mm N/A 12.0 mm N/A 14.0 mm N/A 12.0 mm N/A 14.0 mm