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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:
  • A, C, and D dimensions are typical finger tight.
  • Dimensions for reference only, subject to change.


    • Sanitary flange fittings combine the reliability and versatility of Parker tube fittings with conventional sanitary flanges.
    The fittings permit direct downstream connections for hookups and sampling.

    Flange sizes are 1/2, 3/4, 1, and 1-1/2 in.

    Parker tube fitting ends are available in 1/4, 3/8, and 1/2 in. Parker tube fittings allow use of a variety of tubing materials including metal, hard plastic, and soft plastic.

    For a Thermocouple/“Bored-Thru” version of the above Sanitary Adapter fittings, add a “4” to the part number. Example: A 4-12 ZHLS-SS becomes a 4-12 ZH4LS-SS for a 3/4" Sanitary Flange with a 1/4" diameter bored through on the A-LOK® fitting end.

    For the full line of Sanitary Fittings and Flow Components, see Catalog 4270-Sanitary/ASME-BPE Fittings.
    Sanitary Flange Fitting for fractional tube
    Unit of Measure
    1 

    Item #

    Connection Type

    Tube O.D.

    Sanitary Flange

    A

    B

    C

    E Min. Opening

    F

    G Hex Flat

    H

    I

    4-8 ZHBS N/A CPI™ x Flanged N/A 1/4 in N/A 1/2 N/A 1.57 in N/A .37 in N/A .70 in N/A .19 in N/A 1.00 in N/A 9/16 in N/A 1.34 in N/A .98 in
    4-12 ZHBS N/A CPI™ x Flanged N/A 1/4 in N/A 3/4 N/A 1.57 in N/A .62 in N/A .70 in N/A .19 in N/A 1.00 in N/A 9/16 in N/A 1.34 in N/A .98 in
    4-16 ZHBS N/A CPI™ x Flanged N/A 1/4 in N/A 1 N/A 1.57 in N/A .87 in N/A .70 in N/A .19 in N/A 1.38 in N/A 9/16 in N/A 1.34 in N/A 1.98 in
    4-24 ZHBS N/A CPI™ x Flanged N/A 1/4 in N/A 1 1/2 N/A 1.57 in N/A 1.37 in N/A .70 in N/A .19 in N/A 1.38 in N/A 9/16 in N/A 1.28 in N/A 1.98 in
    6-8 ZHBS N/A CPI™ x Flanged N/A 3/8 in N/A 1/2 N/A 1.63 in N/A .37 in N/A .76 in N/A .28 in N/A 1.00 in N/A 11/16 in N/A 1.34 in N/A .98 in
    6-12 ZHBS N/A CPI™ x Flanged N/A 3/8 in N/A 3/4 N/A 1.63 in N/A .62 in N/A .76 in N/A .28 in N/A 1.00 in N/A 11/16 in N/A 1.34 in N/A .98 in
    6-16 ZHBS N/A CPI™ x Flanged N/A 3/8 in N/A 1 N/A 1.63 in N/A .87 in N/A .76 in N/A .28 in N/A 1.38 in N/A 11/16 in N/A 1.34 in N/A 1.98 in
    6-24 ZHBS N/A CPI™ x Flanged N/A 3/8 in N/A 1 1/2 N/A 1.63 in N/A 1.37 in N/A .76 in N/A .28 in N/A 1.38 in N/A 11/16 in N/A 1.34 in N/A 1.98 in
    8-8 ZHBS N/A CPI™ x Flanged N/A 1/2 in N/A 1/2 N/A 1.74 in N/A .37 in N/A .90 in N/A .37 in N/A 1.00 in N/A 7/8 in N/A 1.40 in N/A .98 in
    8-12 ZHBS N/A CPI™ x Flanged N/A 1/2 in N/A 3/4 N/A 1.74 in N/A .62 in N/A .90 in N/A .41 in N/A 1.00 in N/A 7/8 in N/A 1.34 in N/A .98 in
    8-16 ZHBS N/A CPI™ x Flanged N/A 1/2 in N/A 1 N/A 1.74 in N/A .87 in N/A .90 in N/A .41 in N/A 1.38 in N/A 7/8 in N/A 1.34 in N/A 1.98 in
    8-24 ZHBS N/A CPI™ x Flanged N/A 1/2 in N/A 1 1/2 N/A 1.74 in N/A 1.37 in N/A .90 in N/A .41 in N/A 1.38 in N/A 7/8 in N/A 1.34 in N/A 1.98 in
    4-8 ZHLS-SS N/A A-LOK® x Flanged N/A 1/4 in N/A 1/2 N/A 1.57 in N/A .37 in N/A .70 in N/A .19 in N/A 1.00 in N/A 9/16 in N/A 1.34 in N/A .98 in
    4-12 ZHLS-SS N/A A-LOK® x Flanged N/A 1/4 in N/A 3/4 N/A 1.57 in N/A .62 in N/A .70 in N/A .19 in N/A 1.00 in N/A 9/16 in N/A 1.34 in N/A .98 in
    4-16 ZHLS-SS N/A A-LOK® x Flanged N/A 1/4 in N/A 1 N/A 1.57 in N/A .87 in N/A .70 in N/A .19 in N/A 1.38 in N/A 9/16 in N/A 1.34 in N/A 1.98 in
    4-24 ZHLS-SS N/A A-LOK® x Flanged N/A 1/4 in N/A 1 1/2 N/A 1.57 in N/A 1.37 in N/A .70 in N/A .19 in N/A 1.38 in N/A 9/16 in N/A 1.28 in N/A 1.98 in
    6-8 ZHLS-SS N/A A-LOK® x Flanged N/A 3/8 in N/A 1/2 N/A 1.63 in N/A .37 in N/A .76 in N/A .28 in N/A 1.00 in N/A 11/16 in N/A 1.34 in N/A .98 in
    6-12 ZHLS-SS N/A A-LOK® x Flanged N/A 3/8 in N/A 3/4 N/A 1.63 in N/A .62 in N/A .76 in N/A .28 in N/A 1.00 in N/A 11/16 in N/A 1.34 in N/A .98 in
    6-16 ZHLS-SS N/A A-LOK® x Flanged N/A 3/8 in N/A 1 N/A 1.63 in N/A .87 in N/A .76 in N/A .28 in N/A 1.38 in N/A 11/16 in N/A 1.34 in N/A 1.98 in
    6-24 ZHLS-SS N/A A-LOK® x Flanged N/A 3/8 in N/A 1 1/2 N/A 1.63 in N/A 1.37 in N/A .76 in N/A .28 in N/A 1.38 in N/A 11/16 in N/A 1.34 in N/A 1.98 in
    8-8 ZHLS-SS N/A A-LOK® x Flanged N/A 1/2 in N/A 1/2 N/A 1.74 in N/A .37 in N/A .90 in N/A .37 in N/A 1.00 in N/A 7/8 in N/A 1.40 in N/A .98 in
    8-12 ZHLS-SS N/A A-LOK® x Flanged N/A 1/2 in N/A 3/4 N/A 1.74 in N/A .62 in N/A .90 in N/A .41 in N/A 1.00 in N/A 7/8 in N/A 1.34 in N/A .98 in
    8-16 ZHLS-SS N/A A-LOK® x Flanged N/A 1/2 in N/A 1 N/A 1.74 in N/A .87 in N/A .90 in N/A .41 in N/A 1.38 in N/A 7/8 in N/A 1.34 in N/A 1.98 in
    8-24 ZHLS-SS N/A A-LOK® x Flanged N/A 1/2 in N/A 1 1/2 N/A 1.74 in N/A 1.37 in N/A .90 in N/A .41 in N/A 1.38 in N/A 7/8 in N/A 1.34 in N/A 1.98 in
    Unit of Measure
    1