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 4MBT4N-316
    4MBT4N-316 Parker A-Lok NPT Male Branch Tee
    4MBT4N-316

    Parker Hannifin

    Product Type: Tees

    End 1 Type: Double Ferrule Tube Fitting

    End 2 Type: Double Ferrule Tube Fitting

    Parker A-lok male branch tee, 316SS, 1/4" double ferrule tube fitting x 1/4" double ferrule tube fitting x 1/4" MNPT (bottom)
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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 A-lok 4MA4N-316
    4MA4N-316 Parker A-Lok Tube End Male Adapter
    4MA4N-316

    Parker Hannifin

    Product Type: Straights

    End 1 Type: Tube Stub

    End 2 Type: MNPT

    Parker A-lok male adapter, 316SS, 1/4" tube stub x 1/4" MNPT
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  • Parker 4M-Q6VY-SS
    4M-Q6VY-SS Parker CPI/A-Lok Series Instrumentation Couplings
    4M-Q6VY-SS

    Parker Hannifin

    Product Type: Nipples

    Parker CPI Series Instrumentation Coupling, 3/8 316 stainless Steel valved plug, 1500 psig rating, 1/4" MNPT ends, Viton seal
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  • Parker 4M-Q6CY-SSP
    4M-Q6CY-SSP Parker CPI/A-Lok Series Instrumentation Couplings
    4M-Q6CY-SSP

    Parker Hannifin

    Product Type: Couplings

    Parker CPI Series Instrumentation Coupling, 3/8 316 stainless Steel coupler (female half), 1500 psig rating, 1/4" MNPT ends, Viton seal, Ulti-Mate sleeve
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  • Parker A-lok 4M1SC6-316
    4M1SC6-316 Parker A-Lok Male Connector SAE Straight Thread
    4M1SC6-316

    Parker Hannifin

    Product Type: Straights

    End 1 Type: Double Ferrule Tube Fitting

    End 2 Type: SAE Straight Thread

    Parker A-lok male connector, 316SS, 1/4" double ferrule tube fitting x 9/16-18 SAE straight thread
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  • Parker A-lok 4M1SC4-316
    4M1SC4-316 Parker A-Lok Male Connector SAE Straight Thread
    4M1SC4-316

    Parker Hannifin

    Product Type: Straights

    End 1 Type: Double Ferrule Tube Fitting

    End 2 Type: SAE Straight Thread

    Parker A-lok male connector, 316SS, 1/4" double ferrule tube fitting x 7/16-20 SAE straight thread
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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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