KLK Electro Materiales

Electrical Technology for Critical Infrastructure

KLK Electro Materiales is a Spanish manufacturer based in Gijón, Asturias, specializing in electrical technology for critical infrastructure. Its work focuses on three areas: grounding systems, exothermic welding (thermite welding), and power resistors. The company says its products have been used in international projects since 1965.

Products and Solutions

• Grounding: Grounding grids, design, and solutions, including neutral grounding for transformers and generators
• Exothermic welding: Kcup® cartridge system, aluminum welding using InDUO AL II technology, KLK Weld equipment, and welding procedures. The AppWeld material selector helps users configure welding solutions and access technical documentation.
• Power resistors: Resistors for harmonic filtering, dynamic braking, motor starting and braking, and electrical continuity and monitoring solutions for data centers

Applications and Industries

KLK serves the rail, mining, energy, and data center industries. Projects highlighted by the company include the Toulouse Metro and solutions for mining and industry in Chile, where it has a presence through KLK Chile.

Training and Technical Resources

KLK offers hands-on training in exothermic welding through KLK Online School, with specialized technical support. Its website provides catalogs, grounding and welding data sheets, safety data sheets, quality certificates, and user manuals.

Location and Contact

Headquarters: 38B Camino de la Peñona, P.O. Box 333, 33211 Gijón, Asturias, Spain. Phone: +34 985 32 18 50 and +34 985 30 93 07. Email: comercial@klk.es. The company is also on LinkedIn, YouTube, Instagram, TikTok, and Facebook.