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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:
  • For body only specify PNZ.
  • Dimensions for reference only, subject to change.
  • A and C dimensions are typical finger-tight.
  • Cap for metric tube
    Unit of Measure
    1 

    Item #

    Connection Type

    Tube O.D.

    A

    C

    W HEX

    PNBZ 3 N/A CPI™ N/A 3.0 mm N/A 19.6 mm N/A 15.3 mm N/A 12.0 mm
    PNBZ 4 N/A CPI™ N/A 4.0 mm N/A 19.4 mm N/A 16.1 mm N/A 12.0 mm
    PNBZ 6 N/A CPI™ N/A 6.0 mm N/A 22.8 mm N/A 17.7 mm N/A 14.0 mm
    PNBZ 8 N/A CPI™ N/A 8.0 mm N/A 24.0 mm N/A 18.6 mm N/A 15.0 mm
    PNBZ 10 N/A CPI™ N/A 10.0 mm N/A 26.2 mm N/A 19.5 mm N/A 18.0 mm
    PNBZ 12 N/A CPI™ N/A 12.0 mm N/A 28.6 mm N/A 22.0 mm N/A 22.0 mm
    PNBZ 14 N/A CPI™ N/A 14.0 mm N/A 29.4 mm N/A 22.0 mm N/A 24.0 mm
    PNBZ 15 N/A CPI™ N/A 15.0 mm N/A 29.4 mm N/A 22.0 mm N/A 24.0 mm
    PNBZ 16 N/A CPI™ N/A 16.0 mm N/A 29.4 mm N/A 22.0 mm N/A 24.0 mm
    PNBZ 18 N/A CPI™ N/A 18.0 mm N/A 31.0 mm N/A 22.0 mm N/A 27.0 mm
    PNBZ 20 N/A CPI™ N/A 20.0 mm N/A 33.5 mm N/A 22.0 mm N/A 30.0 mm
    BLENM3 N/A A-LOK® N/A 3.0 mm N/A 19.6 mm N/A 15.3 mm N/A 12.0 mm
    BLENM4 N/A A-LOK® N/A 4.0 mm N/A 19.4 mm N/A 16.1 mm N/A 12.0 mm
    BLENM6 N/A A-LOK® N/A 6.0 mm N/A 22.8 mm N/A 17.7 mm N/A 14.0 mm
    BLENM8 N/A A-LOK® N/A 8.0 mm N/A 24.0 mm N/A 18.6 mm N/A 15.0 mm
    BLENM10 N/A A-LOK® N/A 10.0 mm N/A 26.2 mm N/A 19.5 mm N/A 18.0 mm
    BLENM12 N/A A-LOK® N/A 12.0 mm N/A 28.6 mm N/A 22.0 mm N/A 22.0 mm
    BLENM14 N/A A-LOK® N/A 14.0 mm N/A 29.4 mm N/A 22.0 mm N/A 24.0 mm
    BLENM15 N/A A-LOK® N/A 15.0 mm N/A 29.4 mm N/A 22.0 mm N/A 24.0 mm
    BLENM16 N/A A-LOK® N/A 16.0 mm N/A 29.4 mm N/A 22.0 mm N/A 24.0 mm
    BLENM18 N/A A-LOK® N/A 18.0 mm N/A 31.0 mm N/A 22.0 mm N/A 27.0 mm
    BLENM20 N/A A-LOK® N/A 20.0 mm N/A 33.5 mm N/A 22.0 mm N/A 30.0 mm
    Unit of Measure
    1