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Versión en castellano

Postal address Polígono de Argales, s/n. Apdo. 719
E-47080 Valladolid. Spain
Telephone +34 98 327 13 16
  E-mail Web  
Company data
Management team

Managing Director: Sergio López Lara. Economic-Financial and Management Head: Maria Victoria Llorente del Barrio. Head of Manufacturing and External Works: Tamara Izarra Tobes. Operation Manager: Álvaro Nobre Ramos. Head of engineering, maintenance and innovation: José Luis Martín Viejo.

Activity Track.

Main products and services

Flash-butt welding on the track and in fixed plant. Manufacture of skl-1; skl-12 ; skl-12 RE and skl-14 elastic clips.Regeneration of rails for second uses. Ultrasonic and optic rail inspection. Ultrasonic Welding and turnouts inspection. RT4: on track running Dynamic Testing, according to the standard UNE-EN 12299 and UNE-EN 14363, of the track and Comfort. Assembly of Turnouts PEM-LEM. Engineering services I+D own. Maintenance of the Robel and Alegria wagons. Approved Center of Maintenance. Own Laboratory.
Redalsa is in possession of railway safety certificate.


Top products: TRACK: 1. RT4: Ultrasonic and optic rail testing, Track and Comfort Dynamic Testing according to the standard UNE-EN 12299 and UNE-EN 14363, and geometric testing. 2. Flash-butt welding of the track and rail fastenings.


Activities by year

The main clients are: Adif, Adif Alta Velocidad, ArcelorMittal, Luso Galaica de Traviesas, Travipos, Traviesas y Pref.Aragón S,L, Aldesa Construcciones, Traviesas del Norte, Metro Sevilla, Drace, Vias y construcciones, EdilonSedra, FGC, Comsa, Acciona, Emfesa, Grupo Azvi, Metro Madrid, FGV, Talleres Alegría, Amurrio Ferrocarril, Mieres Rail, Metro Bilbao, Metro Málaga, Renfe Mercancias, Convensa, LFP and Rover Rail.

Areas Spain and Portugal.

Certifications Quality and Environment: UNE-EN ISO 9001:2008 ER-1133/1998; UNE-EN ISO 14001:2004 GA-2004/0384; Certificate CETREN rail-welding EN 14587-1:2007; Report of ADIF of rail-welding on the track for mobile machine SCHLATTER according to EN 14857-2:2010 and E.T 03.360.156.8; Certificate CETREN SKL-1 elastic clips ET.ADIF 03.360.564-1ª Ed. June/1981.Report Nº 20190 Inst TORROJA for tension clamp SKL-14 meets requirements UNE-EN 13481 (2012) in Part 2 and UNE EN 13146 (2012). Institute Torroja report for clamp SKL-14 according to ET 03.360.566.8 of ADIF. Laboratory report of tension clamp SKL-12 E.T. 03.360.590.8 ADIF; Certificate CETREN for tension clamp SKL-12 according to ET.ADIF 03.360.590B; Report of LADICIM for tension clamp SKL-12 RE according to the norm DBS918 127.

Activities Track.
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