Vulkan Lokring

Vulkan Lokring – Solder free tube connections

For the last 38 years, VULKAN Lokring has developed, manufactured and marketed mechanical tube joining systems for refrigerant lines.
VULKAN Lokring is a market leader in the field of solder-free and non-detachable tube joints.

Developed originally for the most extreme conditions encountered in manned space travel, the LOKRING tube joining technique has undergone constant advanced development for applications in commercial refrigeration and air conditioning technology.

More than 2,000,000,000 LOKRING® CONNECTIONS have been successfully used in the industrial volume production of refrigerators, freezers and air conditioning systems.

470,000 lokring per day  are produced in the 5 international manufacturing facilities of VULKAN Lokring on modern multi-spindle automatic lathe machines and shipped to 83 destination countries.

Over 7,000 customers optimise their international competitive edge by using LOKRING tube connections as cost and quality benefit compared to brazed ones.

650 unique types of lokring are used at present by customers in order to optimally join tubes made of different materials and combinations of diameters.

100% quality inspection of LOKRING based on automated industrial image processing as part of the certified VULKAN Lokring quality management system.


Find out More … Refrigeration & Air Conditioning

                                                                                      … Refrigeration Appliances

              … Vehicle Air Conditioning


A simple demonstration of Vulkan Lokring installation

Customer References
A small selection from more than 7,000 satisfied customers: