20.20 6 mar 2026
ISO
ISO/TC 11
International Standard
This document specifies the requirements and recommendations for the energy efficiency testing and evaluation of liquid-to-liquid plate heat exchangers.
This document covers gasketed, semi-welded, welded and brazed plate heat exchangers.
IN_DEVELOPMENT
ISO/WD 25784.2
20.20
Working draft (WD) study initiated
6 mar 2026