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

    Parker Hannifin

    Product Type: Nipples

    Parker CPI Series Instrumentation Coupling, 1/4 316 stainless Steel valved plug, 3000 psig rating, 1/4" single ferrule tube fitting ends, Viton seal
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  • Parker A-lok 4PC6-316
    4PC6-316 Parker A-Lok Port Connector
    4PC6-316

    Parker Hannifin

    Product Type: Straights

    End 1 Type: Tube Stub

    End 2 Type: Machined Ferrule on Tube Stub

    Parker A-lok port connector, 316SS, 1/4" tube stub x 3/8" machined ferrule on tube stub
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  • Parker A-lok 4PC4-316
    4PC4-316 Parker A-Lok Port Connector
    4PC4-316

    Parker Hannifin

    Product Type: Straights

    End 1 Type: Tube Stub

    End 2 Type: Machined Ferrule on Tube Stub

    Parker A-lok port connector, 316SS, 1/4" tube stub x 1/4" machined ferrule on tube stub
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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 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 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 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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