Parker CPI™ / A-LOK® Tube Fittings

Parker Hannifin CPI™/A-LOK® Instrumentation Tube Fittings are designed as leak-free connections for process, power and instrumentation applications. These single and two ferrule fittings are manufactured to the highest quality standards and are available in a broad range of sizes, materials and configurations.

Parker CPI/A-LOK Tube Fittings Catalog (PDF)

CPI/A-LOK

3798 items

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  • Parker CPI 6 FNZ-B
    6 FNZ-B Parker CPI Plug
    6 FNZ-B

    Parker Hannifin

    Product Type: Plugs

    Parker CPI plug, brass, 3/8" single ferrule tube fitting
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  • tz-1-r
    6 CPI-SS-SET Parker CPI One-Piece Ferrule Set (10-Pack)
    6 CPI-SS-SET

    Parker Hannifin

    Product Type: Components

    Parker CPI ferrule set (10-pack), 316SS, for 3/8" single ferrule tube fitting
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  • Parker CPI 6 BZ-SS
    6 BZ-SS Parker CPI Nut
    6 BZ-SS

    Parker Hannifin

    Product Type: Nuts

    Parker CPI nut, 316SS, for 3/8" single ferrule tube fitting
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  • Parker CPI 6 BZ-B
    6 BZ-B Parker CPI Nut
    6 BZ-B

    Parker Hannifin

    Product Type: Nuts

    Parker CPI nut, brass, for 3/8" single ferrule tube fitting
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  • Parker A-lok 4SC4-316
    4SC4-316 Parker A-Lok Union
    4SC4-316

    Parker Hannifin

    Product Type: Unions

    End 1 Type: Double Ferrule Tube Fitting

    End 2 Type: Double Ferrule Tube Fitting

    Parker A-lok union, 316SS, 1/4" double ferrule tube fitting x 1/4" double ferrule tube fitting
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  • Parker A-lok 4RU2-316
    4RU2-316 Parker A-Lok Reducing Union
    4RU2-316

    Parker Hannifin

    Product Type: Unions

    End 1 Type: Double Ferrule Tube Fitting

    End 2 Type: Double Ferrule Tube Fitting

    Parker A-lok reducing union, 316SS, 1/4" double ferrule tube fitting x 1/8" double ferrule tube fitting
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  • Parker A-lok 4NU4-B
    4NU4-B Parker A-Lok Nut
    4NU4-B

    Parker Hannifin

    Product Type: Nuts

    Parker A-lok nut, brass, for 1/4" double ferrule tube fitting
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  • Parker A-lok 4NU4-316
    4NU4-316 Parker A-Lok Nut
    4NU4-316

    Parker Hannifin

    Product Type: Nuts

    Parker A-lok nut, 316SS, for 1/4" double ferrule tube fitting
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