Imperfections in thermoplastic welds. Classification Ingestion-build-100998 BS EN 60704-2-2 on determination

BS EN 60704-2-2 on determination of airborne acoustical noise of fan heaters is useful for:

storage and distribution of water for domestic purposes within buildings and their curtilages

The extent of the application of these requirements depends on such factors as the organization’s strategic policies addressing the value of people

Revised Clause 7 and added adjustments to the loading for systems with or without interlayers /intermediate plates

22 Moving parts

Imperfections in thermoplastic welds. Classification Ingestion-build-100998 BS EN 60704-2-2 on determinationWhat is this standard about? This document specifies a system for classifying imperfections that may be encountered in thermoplastic welded joints during manufacture and provides examples of imperfections for the following welding processes: heated tool butt welding; heated tool socket welding; electrofusion socket welding; hot gas welding; extrusion welding; solvent socket welding. This document does not describe imperfections that may be generated