Plastics piping systems for the supply of gaseous fuels. Unplasticized polyamide (PA-U) piping systems jointed by solvent cement - General Ingestion-build-239834 The quality levels refer to

The quality levels refer to production quality and not to the fitness-for-purpose of the product manufactured

that assists the users to verify the parameters

BS 5561 gives recommendations for materials used for constructing spools

4 Other factors

primarily global vibration is dealt with

Plastics piping systems for the supply of gaseous fuels. Unplasticized polyamide (PA-U) piping systems jointed by solvent cement - General Ingestion-build-239834 The quality levels refer to1 Scope This part of ISO 17467 specifies the general properties of unplasticized polyamide (PA U) compounds for the manufacturing of pipes, fittings and valves made from such compounds, intended to be buried and used for the supply of gaseous fuels for maximum operating pressure up to and including 4 bar. It also specifies the test parameters for the test methods to which it refers. This part of ISO 17467 specifies a calculation and design scheme on