Industries Ltd.

Solderless Tube Connectors for A/C, Automotive and Refrigeration.

High Tech, Simple and Reliable.

LOKRING Tube Connection Technology represents a proven method of producing hermetically sealed metal-to-metal tube connections including aluminium to copper.  Lokrings do not use soldering, welding, brazing, or epoxy to create the joint. Lokrings may be used with aluminium, copper, and steel tubes of equal or dissimilar diameters.

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

This website contains information about LOKRING fittings for tube diameters from 1.6mm (1/16") up to 22.0mm (7/8") and specialty parts for automotive and refrigeration applications. Special orders can be delivered upon request. VULKAN LOKRING reserves the right to make changes for the purposes of technical improvement. Lokring Video - 1.8mg

Lokring Video - 4.04mg

Lokring Video 14.4mg

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 aluminium 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 Tee Connectors for 3 to 4 joints with same or different diameters.
 
LOKRING Tools and Extras
Assembly Tools, LOKPREP, and Special Fittings
 
Refrigeration Specialty Parts
Products specific to the Refrigeration Industry include dryers, charging tubes and union or reducing connectors with schrader valves.
 
Automotive Specialty Parts
Products specific to Automotive applications including Hose-LOK and  Tube-LOK for joining double-braided hose to tube, Service Ports, Cut-out Switch Ports, and GM Orifice Tube Repair Kits. Approved for r12 and r134a refrigerants.
 
LOKRING Presents -New Products
Cut-out Switch Ports, and GM Orifice Tube Repair Kits
 
  

  

 

Technical and Installation Information

LOKRING Background and Theory
LOKRING history from the aerospace industry through current applications and technical specifications to explain the function and application of LOKRING Technology.
LOKRING Installation Guide
Complete copy of the LOKRING Installation Manual and service guide covering basic installation of LOKRING Union and Reducer Connectors through installation of compressor stub extensions, capillary tubes, Tees, elbows, dryers, and all other LOKRING Parts. LOKPREP is required for all installations.

Contact Information

VULKAN LOKRING Worldwide Offices

VULKAN Industries Ltd.
Archer Road
Armytage Road Industrial Estate
Brighouse, West Yorkshire, HD6 1XF
Tel. (014 84) 71 22 73 Fax (014 84) 72 13 76
E-Mail: sales@vulkan.co.uk

Vulkan Industries Ltd is responsible for the delivery of quality tube connectors and tools. The purchaser is responsible for the assembly of LOKRING Tube Connectors and use of LOKRING tools in accordance with supplied instruction and exclusively with original LOKRING parts.

*Please consult Vulkan Industries Ltd before using LOKRING Tube Connectors in other industries.

Copyright © 1997 VULKAN Industries Ltd.
Last modified: August 03, 2002 Webmaster