
VULKAN LOKRING® Braze-Free Tube Connections
Refrigerant lines joined in seconds, without flame or nitrogen purge. A hermetic metal-to-metal seal, TÜV and UL approved.
Cold-weld, weld-equivalent pipe and tube connections installed without hot work, featuring LOKRING® coldweld fittings and VULKAN LOKRING® braze-free tube connections.

Refrigerant lines joined in seconds, without flame or nitrogen purge. A hermetic metal-to-metal seal, TÜV and UL approved.

Weld-equivalent pipe joints made in minutes. No flame, no purge gas, no hot-work permit. ASME B31 qualified, 1/4″ to 3″ NPS.
Let’s work together
Tell us the line, the service and the constraint, whether it is a shutdown window, access or budget. Then we will come back with the right technology, correctly sized, from the right principal.

PT Saka Nusa Persada is a general contractor and supplier of pipeline integrity solutions for Indonesia’s mining, oil and gas industries, backed by world-class principals.