BS EN 1401-1:2019+A1:2023 用于非压力地下排水和污水处理的塑料管道系统 未增塑聚氯乙烯 (PVC-U) 管道、配件和系统规范
Plastics piping systems for non-pressure underground drainage and sewerage. Unplasticized poly(vinyl chloride) (PVC-U) - Specifications for pipes, fittings and the system
What is BS EN 1401-1:2019+A1:2023 - Plastics piping systems about?
This mature European standard is the first in a two-part series on plastic piping systems for underground drai...