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 4Z-Q4VY-SS
    4Z-Q4VY-SS Parker CPI/A-Lok Series Instrumentation Couplings
    4Z-Q4VY-SS

    Parker Hannifin

    Product Type: Nipples

    Parker CPI Series Instrumentation Coupling, 1/4 316 stainless Steel valved plug, 3000 psig rating, 1/4" single ferrule tube fitting ends, Viton seal
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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 4MSEL4N-316
    4MSEL4N-316 Parker A-Lok Male Elbow
    4MSEL4N-316

    Parker Hannifin

    Product Type: Elbows

    End 1 Type: Double Ferrule Tube Fitting

    End 2 Type: MNPT

    Parker A-lok male elbow, 316SS, 1/4" double ferrule tube fitting x 1/4" MNPT
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  • Parker A-lok 4MSC4N-B
    4MSC4N-B Parker A-Lok Male Connector
    4MSC4N-B

    Parker Hannifin

    Product Type: Straights

    End 1 Type: Double Ferrule Tube Fitting

    End 2 Type: MNPT

    Parker A-lok male connector, brass, 1/4" double ferrule tube fitting x 1/4" MNPT
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  • Parker A-lok 4MSC4N-316
    4MSC4N-316 Parker A-Lok Male Connector
    4MSC4N-316

    Parker Hannifin

    Product Type: Straights

    End 1 Type: Double Ferrule Tube Fitting

    End 2 Type: MNPT

    Parker A-lok male connector, 316SS, 1/4" double ferrule tube fitting x 1/4" MNPT
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  • Parker A-lok 4MSC2N-316
    4MSC2N-316 Parker A-Lok Male Connector
    4MSC2N-316

    Parker Hannifin

    Product Type: Straights

    End 1 Type: Double Ferrule Tube Fitting

    End 2 Type: MNPT

    Parker A-lok male connector, 316SS, 1/4" double ferrule tube fitting x 1/8" MNPT
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