NCh 1721:2016 Sistemas de tuberías plásticas de poli (cloruro de vinilo) no plastificado (PVC-U) para el suministro de agua bajo presión, enterrado o superficial - Accesorios - Requisitos (Chilean Standard (NCh) No. 1721:2016 - Unplasticized poly(vinyl chloride) (PVC-U) pipe systems for the supply of pressurized water, which are buried or above-ground - Fittings - Requirements) (64 pages, in Spanish)

The notified Chilean Standard establishes the specifications for fittings made from unplasticized poly(vinyl chloride) (PVC-U) for pipe systems for the supply of pressurized water, which are buried or above-ground.