Plastics piping systems for water supply, and for drainage and sewerage under pressure. Polyethylene (PE) - Fitness for purpose of the systemWhat is ISO 4427 5 Polyethylene (PE) pipes and fitting assemblies about? The ISO 4427 series of standards are a set of system standards that specify the requirements for a piping system and its components when made from PE. ISO 4427 5 is the fifth part in the multi series that specifies the characteristics of the fitness for purpose of pipes and or fittings assemblies made from PE for buried or above ground applications, intended for the conveyance of

At the date of publication of ISO 10931

BS EN IEC 60974-2:2019 includes the following technical changes:

This European Standard specifies a multi-screening method using reversed-phase HPLC for the detection of UV-filters listed in the cosmetic regulations

BS CECC 123500-003 specifies the capability qualifying components of these printed boards

Manufactures of external cladding systems

for use with memory metal rings under the following conditions

O-ring housings: typical O-ring applications

BS EN 61169-2

This electrical equipment is intended for use in Zone 0 hazardous areas

or at a voltage which is user selectable

either from the water itself or aerosols derived from it

detailed as follows: