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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

2570 items

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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 4NU4-316
    4NU4-316 Parker A-Lok Nut
    4NU4-316

    Parker Hannifin

    Product Type: Nuts

    Parker A-lok nut, 316SS, 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-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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  • Parker A-lok 4MBC4N-316
    4MBC4N-316 Parker A-Lok Male Bulkhead Connector
    4MBC4N-316

    Parker Hannifin

    Product Type: Straights

    End 1 Type: Double Ferrule Tube Fitting

    End 2 Type: MNPT

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

    Parker Hannifin

    A tariff surcharge has been applied to the price of this item.

    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

    A tariff surcharge has been applied to the price of this item.

    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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