
Solderless Tube Connectors for A/C, Automotive and Refrigeration. ISO ISO 9001:2000 Certified

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The Cold, Clean Connection

No welding, brazing or epoxy to join tubing.
Lokrings join aluminum, copper, and steel tubing of equal or dissimilar diameters. LOKRING Tube Connection Technology represents a proven method of producing hermetically sealed metal-to-metal tube connections including aluminum to copper and copper to titanium

Example: Copper to Titanium Single Ring Connection

.LOKRING tube connectors are used in residential, commercial and automotive air-conditioning* and in refrigeration* industries.

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This website contains information about LOKRING fittings for tube diameters from 1.6mm (1/16") up to 35.0mm (1 3/8") and specialty parts for automotive and refrigeration applications. Special orders can be delivered upon request. American LOKRING reserves the right to make changes for the purposes of technical improvement.

Lokring Video 14.4mg

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Products

LOKRINGS for OEM Manufacturing: Single Rings are applied with a hydraulic tool and sized to fit your specific application. Works with swaged or slip- fitted tubes.

LOKRING Connectors for Service and Repair: Join aluminum tube to copper tube, copper to copper, copper to steel. Union Connectors for straight in-line joints, Step-Sized Connectors for different diameter tubes, and