scope:

NEN-EN-ISO 15876-1 specifies the general aspects of polybutene-1 (PB-1) piping systems intended to be used for hot and cold water installations within buildings for the conveyance of water whether or not intended for human consumption (domestic systems) and for heating systems, under design pressures and temperatures according to the class of application (see Table 1). The designation polybutene is used together with the abbreviation PB throughout this document. This document covers a range of service conditions (application classes) and design pressure and pipe dimension classes. Values of TD, Tmax and Tmal in excess of those in Table 1 do not apply.