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

    Parker Hannifin

    Product Type: Nipples

    Parker CPI Series Instrumentation Coupling, 1/4 316 stainless Steel valved plug, 3000 psig rating, 1/4" MNPT ends, Viton seal
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  • Parker 4M-Q4CY-SSP
    4M-Q4CY-SSP Parker CPI/A-Lok Series Instrumentation Couplings
    4M-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" MNPT ends, Viton seal, Ulti-Mate sleeve
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  • Parker 4F-Q4VY-SS
    4F-Q4VY-SS Parker CPI/A-Lok Series Instrumentation Couplings
    4F-Q4VY-SS

    Parker Hannifin

    Product Type: Nipples

    Parker CPI Series Instrumentation Coupling, 1/4 316 stainless Steel valved plug, 3000 psig rating, 1/4" FNPT ends, Viton seal
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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 A-lok 4FBC4N-316
    4FBC4N-316 Parker A-Lok Female Bulkhead Connector
    4FBC4N-316

    Parker Hannifin

    Product Type: Straights

    End 1 Type: Double Ferrule Tube Fitting

    End 2 Type: FNPT

    Parker A-lok female bulkhead connector, 316SS, 1/4" double ferrule tube fitting x 1/4" FNPT
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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 A-lok 4BF4-B
    4BF4-B Parker A-Lok Back Ferrule, 1/4"
    4BF4-B

    Parker Hannifin

    Product Type: Components

    End 1 Type: Double Ferrule Tube Fitting

    Parker A-lok back ferrule, brass, for 1/4" double ferrule tube fitting
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  • Parker CPI 4-8 FBZ-B
    4-8 FBZ-B Parker CPI Male Connector
    4-8 FBZ-B

    Parker Hannifin

    Product Type: Straights

    End 1 Type: Single Ferrule Tube Fitting

    End 2 Type: MNPT

    Parker CPI male connector, brass, 1/4" single ferrule tube fitting x 1/2" MNPT
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