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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.
  • ED fittings are supplied with sealing washers in nitrile as standard, suitable for temperatures between -35°C and +100°C (-31°F to +212°F).
  • Fluorocarbon seals are available upon request which are suitable for temperatures between -25°C and +120°C (-13°F to +248°F).
  • Add -Z6 for assembly of nuts and ferrules on the tube stub end.
    • BSPP Tube End Male Adapter with ED Seal for metric tube
    Unit of Measure
    1 

    Item #

    Connection Type

    Tube O.D.

    BSPP Thread

    A

    K

    R

    W HEX

    Bore

    T2HF 6-1/4R-ED N/A Tube to BSPP N/A 6.0 mm N/A 1/4 N/A 36.6 mm N/A 15.9 mm N/A 11.9 mm N/A 19.0 mm N/A 4.0 mm
    T2HF 6-1/2R-ED N/A Tube to BSPP N/A 6.0 mm N/A 1/2 N/A 42.7 mm N/A 15.9 mm N/A 14.0 mm N/A 27.0 mm N/A 4.0 mm
    T2HF 10-1/4R-ED N/A Tube to BSPP N/A 10.0 mm N/A 1/4 N/A 38.1 mm N/A 17.5 mm N/A 11.9 mm N/A 19.0 mm N/A 6.4 mm
    T2HF 10-1/2R-ED N/A Tube to BSPP N/A 10.0 mm N/A 1/2 N/A 44.2 mm N/A 17.5 mm N/A 14.0 mm N/A 27.0 mm N/A 7.5 mm
    T2HF 12-1/4R-ED N/A Tube to BSPP N/A 12.0 mm N/A 1/4 N/A 43.7 mm N/A 23.0 mm N/A 11.9 mm N/A 19.0 mm N/A 6.4 mm
    T2HF 12-3/8R-ED N/A Tube to BSPP N/A 12.0 mm N/A 3/8 N/A 45.0 mm N/A 23.0 mm N/A 11.9 mm N/A 22.0 mm N/A 7.9 mm
    T2HF 12-1/2R-ED N/A Tube to BSPP N/A 12.0 mm N/A 1/2 N/A 49.8 mm N/A 23.0 mm N/A 14.0 mm N/A 27.0 mm N/A 9.1 mm
    M6MA1/4R-ED N/A Tube to BSPP N/A 6.0 mm N/A 1/4 N/A 36.6 mm N/A 15.9 mm N/A 11.9 mm N/A 19.0 mm N/A 4.0 mm
    M6MA1/2R-ED N/A Tube to BSPP N/A 6.0 mm N/A 1/2 N/A 42.7 mm N/A 15.9 mm N/A 14.0 mm N/A 27.0 mm N/A 4.0 mm
    M10MA1/4R-ED N/A Tube to BSPP N/A 10.0 mm N/A 1/4 N/A 38.1 mm N/A 17.5 mm N/A 11.9 mm N/A 19.0 mm N/A 6.4 mm
    M10MA1/2R-ED N/A Tube to BSPP N/A 10.0 mm N/A 1/2 N/A 44.2 mm N/A 17.5 mm N/A 14.0 mm N/A 27.0 mm N/A 7.5 mm
    M12MA1/4R-ED N/A Tube to BSPP N/A 12.0 mm N/A 1/4 N/A 43.7 mm N/A 23.0 mm N/A 11.9 mm N/A 19.0 mm N/A 6.4 mm
    M12MA3/8R-ED N/A Tube to BSPP N/A 12.0 mm N/A 3/8 N/A 45.0 mm N/A 23.0 mm N/A 11.9 mm N/A 22.0 mm N/A 7.9 mm
    M12MA1/2R-ED N/A Tube to BSPP N/A 12.0 mm N/A 1/2 N/A 49.8 mm N/A 23.0 mm N/A 14.0 mm N/A 27.0 mm N/A 9.1 mm
    Unit of Measure
    1