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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 6SC6-B
    6SC6-B Parker A-Lok Union
    6SC6-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, 3/8" double ferrule tube fitting x 3/8" double ferrule tube fitting
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  • Parker A-lok 6RU5-316
    6RU5-316 Parker A-Lok Reducing Union
    6RU5-316

    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, 3/8" double ferrule tube fitting x 5/16" double ferrule tube fitting
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  • Parker A-lok 6RU4-S
    6RU4-S Parker A-Lok Reducing Union
    6RU4-S

    Parker Hannifin

    Product Type: Unions

    End 1 Type: Double Ferrule Tube Fitting

    End 2 Type: Double Ferrule Tube Fitting

    Parker A-lok reducing union, carbon Steel, 3/8" double ferrule tube fitting x 1/4" double ferrule tube fitting
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  • Parker A-lok 6RU4-B
    6RU4-B Parker A-Lok Reducing Union
    6RU4-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, 3/8" double ferrule tube fitting x 1/4" double ferrule tube fitting
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  • Parker A-lok 6RU4-316
    6RU4-316 Parker A-Lok Reducing Union
    6RU4-316

    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, 3/8" double ferrule tube fitting x 1/4" double ferrule tube fitting
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  • Parker A-lok 6RU2-316
    6RU2-316 Parker A-Lok Reducing Union
    6RU2-316

    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, 3/8" double ferrule tube fitting x 1/8" double ferrule tube fitting
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  • Parker A-lok 6RU1-B
    6RU1-B Parker A-Lok Reducing Union
    6RU1-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, 3/8" double ferrule tube fitting x 1/16" double ferrule tube fitting
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  • Parker CPI Series Quick Couplings
    6PL-Q8VY-SS Parker CPI/A-Lok Series Instrumentation Couplings
    6PL-Q8VY-SS

    Parker Hannifin

    Product Type: Nipples

    Parker CPI Series Quick Couplings, Male Nipple, Instrumentation, 1/2", Stainless Steel, 3/8" Push Lock Hose Barb, Fluorocarbon Seal, Poppet Valve Type.
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