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For more than 30 years now, VULKAN LOKRING’s success has been founded on solder-free tube connection technology for refrigerant lines. Originally developed for the absolute extreme conditions of space technology, we have continually optimised our tube connections for the purposes of refrigeration and air-conditioning technology following takeover of the global patent rights for the tube connection technology, and have since developed into the leading specialist in this area on the world market.

In the meantime, more than 1,000,000,000 LOKRINGs have been successfully used in the industrial volume production of vehicle air-conditioning systems, cooling and freezing units. Every year, many more millions of vehicle air-conditioning systems, refrigerators and freezers leave the production lines of the leading manufacturers of vehicles and white goods with LOKRING tube connection technology installed. The expert knowledge we have gained as an original equipment manufacturer to industry can of course be drawn on continually for our tube connections for industrial refrigeration and air-conditioning technology, too.

This enables VULKAN LOKRING to be able to offer you a coordinated system of tube connections with TÜV certificate and in OE quality for almost every installation or service situation. Alongside the tried-and-trusted tube connections, VULKAN LOKRING also supplies a comprehensive range of tools and devices in order to offer you, as a partner in refrigeration and air-conditioning technology, a complete system solution from a single source. Thanks to a world-wide sales network in more than 30 countries and production facilities in Germany, USA, Brazil and India, our teams of experienced engineers provide competent service directly on site. Our world-wide procurement management guarantees topquality products at prices to suit the market

The patented LOKRING tube connection system provides an innovative system of solder-free tube connections for every installation situation in refrigeration and air-conditioning technology. LOKRING tube connections can be made without a great deal of force being necessary, using simple hand assembly tools. LOKRING guarantees an absolutely clean, permanent and purely mechanical tube connection with long-term hermetic air-tightness. This is confirmed by the special TÜV test and approval*. All this makes LOKRING tube connections one of the most economical and reliable methods of connecting refrigerant tubes.

For 30 years now VULKAN LOKRING has been a global original equipment manufacturer of industrial vehicle air-conditioning systems, refrigeration and freezing units. More than 1,000,000,000 LOKRINGs have been successfully assembled, and every year, millions and millions more vehicle air-conditioning systems, refrigerators and freezers leave the production lines of the leading manufacturers of vehicles and white goods with LOKRING tube connection technology installed. The expert knowledge we have gained as an original equipment manufacturer to industry can of course be drawn on continually for the advanced development of our tube connections for industrial refrigeration and air-conditioning technology, too.

This means that we often already know today which tube connection technology will be the »technical standard« in future. In the field of automotive air conditioning servicing, the tube and hose connection system from VULKAN LOKRING provides a straightforward, clean and versatile alternative based on current vehicle value for the repair of the refrigerant pipes in vehicle air-conditioning systems. Conventional methods such as welding, soldering and thread cutting,

as well as long waiting times for expensive original spare parts are thus a thing of the past. As the test winner in terms of garage suitability, the fully automatic air-conditioning unit SpeedMaxx 3 guarantees economical air conditioning servicing. Thanks to its »Made in Germany« philosophy, VULKAN LOKRING guarantees you a top precision air-conditioning service unit from its own development and production departments at an amazing price.