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 A-lok 4FF4-316
    4FF4-316 Parker A-Lok Front Ferrule
    4FF4-316

    Parker Hannifin

    Product Type: Components

    End 1 Type: Double Ferrule Tube Fitting

    Parker A-lok front ferrule, 316SS, for 1/4" double ferrule tube fitting
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  • Parker 4F-Q4CY-SSP
    4F-Q4CY-SSP Parker CPI/A-Lok Series Instrumentation Couplings
    4F-Q4CY-SSP

    Parker Hannifin

    Product Type: Couplings

    Parker CPI Series Instrumentation Coupling, 1/4 316 stainless Steel coupler (female half), 3000 psig rating, 1/4" FNPT ends, Viton seal, Ulti-Mate sleeve
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  • Parker ET Union Tee A-lok 4ET4-316
    4ET4-316 Parker A-Lok Union Tee
    4ET4-316

    Parker Hannifin

    Product Type: Tees

    Product Type: Unions

    End 1 Type: Double Ferrule Tube Fitting

    End 2 Type: Double Ferrule Tube Fitting

    Parker A-lok union tee, 316SS, 1/4" double ferrule tube fitting all ends
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  • Parker EE Union ElbowA-lok 4EE4-316
    4EE4-316 Parker A-Lok Union Elbow
    4EE4-316

    Parker Hannifin

    Product Type: Elbows

    Product Type: Unions

    End 1 Type: Double Ferrule Tube Fitting

    End 2 Type: Double Ferrule Tube Fitting

    Parker A-lok union elbow, 316SS, 1/4" double ferrule tube fitting x 1/4" double ferrule tube fitting
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  • Parker A-lok 4BLP4-316
    4BLP4-316 Parker A-Lok Plug
    4BLP4-316

    Parker Hannifin

    Product Type: Plugs

    Parker A-lok plug, 316SS, 1/4" double ferrule tube fitting
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  • Parker A-lok 4BLEN4-316
    4BLEN4-316 Parker A-Lok Cap (with Nut and Ferrule)
    4BLEN4-316

    Parker Hannifin

    Product Type: Caps

    Parker A-lok cap (with nut and ferrule), 316SS, 1/4" double ferrule tube fitting
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  • Parker BC Hulkhead Union A-lok 4BC4-316
    4BC4-316 Parker A-Lok Bulkhead Union
    4BC4-316

    Parker Hannifin

    Product Type: Unions

    End 1 Type: Double Ferrule Tube Fitting

    End 2 Type: Double Ferrule Tube Fitting

    Parker A-lok bulkhead union, 316SS, 1/4" double ferrule tube fitting x 1/4" double ferrule tube fitting
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  • Parker A-lok 4A-Q4VY-SS
    4A-Q4VY-SS Parker CPI/A-Lok Series Instrumentation Couplings
    4A-Q4VY-SS

    Parker Hannifin

    Product Type: Nipples

    Parker CPI Series Instrumentation Coupling, 1/4 316 stainless Steel valved plug, 3000 psig rating, 1/4" double ferrule tube fitting ends, Viton seal
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