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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)

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CPI/A-LOK

3798 items

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  • Parker A-lok 4SC4-B
    4SC4-B Parker A-Lok Union
    4SC4-B

    Parker Hannifin

    Product Type: Unions

    End 1 Type: Double Ferrule Tube Fitting

    End 2 Type: Double Ferrule Tube Fitting

    Parker A-lok union, brass, 1/4" double ferrule tube fitting x 1/4" double ferrule tube fitting
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  • Parker A-lok 4RU3-316
    4RU3-316 Parker A-Lok Reducing Union
    4RU3-316

    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 3/16" double ferrule tube fitting
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  • Parker A-lok 4RU2-B
    4RU2-B Parker A-Lok Reducing Union
    4RU2-B

    Parker Hannifin

    Product Type: Unions

    End 1 Type: Double Ferrule Tube Fitting

    End 2 Type: Double Ferrule Tube Fitting

    Parker A-lok reducing union, brass, 1/4" double ferrule tube fitting x 1/8" double ferrule tube fitting
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  • Parker A-lok 4RU1-316
    4RU1-316 Parker A-Lok Reducing Union
    4RU1-316

    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 1/16" double ferrule tube fitting
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  • Parker A-lok 4PC8-316
    4PC8-316 Parker A-Lok Port Connector
    4PC8-316

    Parker Hannifin

    Product Type: Straights

    End 1 Type: Tube Stub

    End 2 Type: Machined Ferrule on Tube Stub

    Parker A-lok port connector, 316SS, 1/4" tube stub x 1/2" machined ferrule on tube stub
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  • Parker A-lok 4PC6-B
    4PC6-B Parker A-Lok Port Connector
    4PC6-B

    Parker Hannifin

    Product Type: Straights

    End 1 Type: Tube Stub

    End 2 Type: Machined Ferrule on Tube Stub

    Parker A-lok port connector, brass, 1/4" tube stub x 3/8" machined ferrule on tube stub
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  • Parker A-lok 4NU4-S
    4NU4-S Parker A-Lok Nut
    4NU4-S

    Parker Hannifin

    Product Type: Nuts

    Parker A-lok nut, carbon Steel, for 1/4" double ferrule tube fitting
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  • Parker A-lok 4MVEL4N-316
    4MVEL4N-316 Parker A-Lok NPT Male 45° Elbow
    4MVEL4N-316

    Parker Hannifin

    Product Type: Elbows

    End 1 Type: Double Ferrule Tube Fitting

    End 2 Type: MNPT

    Parker A-lok male 45° elbow, 316SS, 1/4" double ferrule tube fitting x 1/4" MNPT
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