16 - 18 October 2018 // Nuremberg, Germany

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Exhibitors & Products Chillventa 2016
Zoom product LOGO_Solderfree tube connections for OEMs

Solderfree tube connections for OEMs

LOGO_Solderfree tube connections for OEMs

Solderfree tube connections for OEMs

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For 30 years, VULKAN LOKRING has been a global OEM for all leading manufacturers of refrigerators and freezers. Over this period, more than 1,000,000,000 LOKRING® tube connections have been successfully used in the industrial volume production of vehicle air-conditioning systems, cooling and freezing units. LOKRING® is the preferred alternative to soldering as it is more cost effective, delivers better quality with less failure and leak rates, and the installation process is both more straightforward and quicker compared to conventional tube connections.
Furthermore, LOKRING® provides an excellent opportunity to switch tubes and components of the cycle system to cost saving materials (e.g. aluminium).
LOKRING® directly saves on the costs for silver solder and highly trained operators. Meanwhile, LOKRING® indirectly reduces potential brazing cost implications that might occur through leaks, corrosion, harmful fumes, damage, burns or tube preparations. Indeed, LOKRING® may even reduce the number of joints needed and the consumption of expensive Cu components. A correctly installed LOKRING® connection ensures both zero failure rate and zero leak rate in both the plant and field. In addition, the LOKRING® joint is very clean both inside and outside and there is no possibility of damage and burns occurring from brazing inside a cabinet.
Finally, it ensures that there is no corrosion on grinded St tubes and no hazardous brazing fumes.
A LOKRING® joint just needs 10 seconds. As the net time of brazing may not be higher, the gross time of brazing – which includes such additional operations as grinding, coating and scale removal etc. – makes LOKRING® the clear winning choice. And the more LOKRING® tube connections are applied, the more significant the time advantage becomes.
As it is the preferred material for brazing, Cu material is extensively used in refrigerant cycle systems. However, Cu is heavy and expensive. For example, in the highly innovative automotive industry, all refrigerant lines are Al material. By “joining” LOKRING® you can finally consider the new possibilities that are available to you. And as LOKRING® can join any tube materials with the same level of quality, you can switch the components and tubes of the cycle system to the most feasible and most cost effective material – regardless of brazing standards.

Solderfree tube connections for installation & service

LOGO_Solderfree tube connections for installation & service



LOKRING tube connections

LOGO_LOKRING tube connections

Solderfree tube connections for OEMs is assigned to following product groups:


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