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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 5 PNBZ-SS
    5 PNBZ-SS Parker CPI Cap (with Nut and Ferrule)
    5 PNBZ-SS

    Parker Hannifin

    Product Type: Caps

    Parker CPI cap (with nut and ferrule), 316SS, for 5/16" single ferrule tube fitting
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  • Parker CPI 5 FNZ-SS
    5 FNZ-SS Parker CPI Plug
    5 FNZ-SS

    Parker Hannifin

    Product Type: Plugs

    Parker CPI plug, 316SS, 5/16" single ferrule tube fitting
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  • Parker CPI 5 BZ-SS
    5 BZ-SS Parker CPI Nut
    5 BZ-SS

    Parker Hannifin

    Product Type: Nuts

    Parker CPI nut, 316SS, for 5/16" single ferrule tube fitting
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  • Parker 5 BZP-B
    5 BZP-B Parker A-Lok/CPI Knurled Nut
    5 BZP-B

    Parker Hannifin

    Product Type: Nuts

    Parker A-lok/CPI knurled nut, brass, for 5/16" single or double ferrule tube fitting
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  • Parker CPI 4Z-Q4P-SS
    4Z-Q4P-SS Parker CPI/A-Lok Series Instrumentation Couplings
    4Z-Q4P-SS

    Parker Hannifin

    Product Type: Nipples

    Parker CPI Series Instrumentation Coupling, 1/4 316 stainless Steel non-valved plug, 3000 psig rating, 1/4" single ferrule tube fitting ends
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  • Parker CPI 4Z-Q4CY-SSP
    4Z-Q4CY-SSP Parker CPI/A-Lok Series Instrumentation Couplings
    4Z-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" single ferrule tube fitting ends, Viton seal, Ulti-Mate sleeve
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  • Parker 4ZH-Q4CY-SSP
    4ZH-Q4CY-SSP Parker CPI/A-Lok Series Instrumentation Couplings
    4ZH-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" single ferrule tube fitting ends, Viton seal, bulkhead style, Ulti-Mate sleeve
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  • Parker A-lok 4XASC6-316
    4XASC6-316 Parker A-Lok 37° Flare Connector
    4XASC6-316

    Parker Hannifin

    Product Type: Adapters

    End 1 Type: Male 37° Flare

    End 2 Type: Double Ferrule Tube Fitting

    Parker A-lok adapter, 316SS, 1/4" 37° flare x 3/8" double ferrule tube fitting
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