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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.
  • For bulkhead hole drill size and maximum bulkhead thickness, see page 32, Part BC.
  • This connector allows a 37° Flare to Compression connection.
  • 37° Flare Bulkhead Connector for fractional tube
    Unit of Measure
    Items 37° Flare Bulkhead Connector for fractional tube
    2-2 XH2BZ
    37° Flare Bulkhead Connector for fractional tube
    37° Flare Bulkhead Connector for fractional tube
    3-3 XH2BZ
    37° Flare Bulkhead Connector for fractional tube
    37° Flare Bulkhead Connector for fractional tube
    4-2 XH2BZ
    37° Flare Bulkhead Connector for fractional tube
    37° Flare Bulkhead Connector for fractional tube
    4-4 XH2BZ
    37° Flare Bulkhead Connector for fractional tube
    37° Flare Bulkhead Connector for fractional tube
    5-5 XH2BZ
    37° Flare Bulkhead Connector for fractional tube
    Connection Type N/A 37° Flare to CPI™
    Flare End N/A 1/8 N/A 3/16 N/A 1/4 N/A 1/4 N/A 5/16
    Tube O.D. N/A 1/8 in N/A 3/16 in N/A 1/8 in N/A 1/4 in N/A 5/16 in
    A N/A 1.91 in N/A 1.98 in N/A 2.03 in N/A 2.12 in N/A 2.21 in
    C N/A 1.23 in N/A 1.26 in N/A 1.23 in N/A 1.31 in N/A 1.42 in
    L N/A .97 in N/A .99 in N/A .98 in N/A 1.02 in N/A 1.13 in
    B N/A .45 in N/A .48 in N/A .55 in N/A .55 in N/A .55 in
    W HEX N/A 1/2 in N/A 9/16 in N/A 5/8 in N/A 5/8 in N/A 11/16 in