Tube-to-Tube Configurations

Tube-to-Tube Configurations

(5088 products)

Fittings that join tube to tube: unions, reducing unions, elbows, tees, crosses and bulkhead unions. Use them to splice, branch or turn a run without pipe threads. DK-Lok two-ferrule tube fittings make a gas-tight seal that holds up to vibration and pressure impulse, can be checked with a gap inspection gauge, and can be remade. Sizes run 1/16" to 2" and 2 to 50 mm OD, in 316 SS, brass, carbon steel and specialty alloys.

Need help matching a part number or checking a rating? Call 310-833-3353 or email sales@abesttube.com.


  • DK Lok

    DU-14-B

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  • DK Lok

    DU-12-B

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  • DK Lok

    DU-10-B

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  • DK Lok

    DU-8-B

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  • DK Lok

    DU-6-B

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  • DK Lok

    DU-5-B

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  • DK Lok

    DU-4-B

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  • DK Lok

    DU-3-B

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  • DK Lok

    DU-2-B

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  • DK Lok

    DU-1-B

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  • DK Lok

    DU-32-S

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  • DK Lok

    DU-24-S

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  • DK Lok

    DU-20-S

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  • DK Lok

    DU-16-S

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  • DK Lok

    DU-14-S

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  • DK Lok

    DU-12-S

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  • DK Lok

    DU-8-S

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  • DK Lok

    DU-10-S

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  • DK Lok

    DU-6-S

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  • DK Lok

    DU-5-S

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  • DK Lok

    DU-1-S

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  • DK Lok

    DU-3-S

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  • DK Lok

    DU-4-S

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  • DK Lok

    DU-2-S

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