Refrigeration & Air Conditioning

Vulkan Lokring Tube connections for Refrigeration & Air Conditioning

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 ensures 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.

• Approx. 40% time saving
• Absolutely clean, efficient and reliable
• Installation work during business hours and
public access
• Installation work in situations where there is a
fire hazard
• Light hand assembly tool without energy exertion
• Installation can also be carried out by non-skilled workers
• No nitrogen as purge gas
• No solder-related quality problems

• Air conditioning systems (split, multi-split, VRV, HVAC)
• Commercial product refrigeration
• Heat pumps
• Solar thermal energy
• Geothermal energy


Click to view Product Gallery