UNE 53399:1990 IN
PLASTICOS. CODIGO DE INSTALACION Y MANEJO DE TUBERIAS DE POLI (CLORURO DE VINILO) NO PLASTIFICADO (PVC-U) PARA LA CONDUCCION DE AGUA A PRESION. TECNICAS RECOMENDADAS
PLASTICS. RECOMMENDED PRACTICE AND TECHNIQUES FOR INSTALLATION AND HANDLING OR UNPLASTIZED POLYVINYL CLORIDE (PVC-U) PIPE WORK FOR PRESSURIZED WATER SUPPLY. RECOMMENDED TECHNIQUES