Refrigeration systems and heat pumps. Flexible pipe elements, vibration isolators, expansion joints and non-metallic tubes. Requirements and classification Ingestion-build-132972 This part of IEC 60747

This part of IEC 60747 gives the requirements for isolated power semiconductor devices excluding devices with incorporated control circuits

Specification of pure systems

BS 661210 is a standard that provides specifications for graduated compression hosiery

onto opposing faces of a test piece

BS ISO 7975:2019 is the fourth edition that cancels and replaces the third edition (ISO 7975:2006)

Refrigeration systems and heat pumps. Flexible pipe elements, vibration isolators, expansion joints and non-metallic tubes. Requirements and classification Ingestion-build-132972 This part of IEC 607471 Scope This International standard describes requirements, design and installation of flexible pipe elements (e. g., metallic flexible pipe, metallic flexible tube, vibration isolator, expansion joint) and non metallic tube used in the refrigerant circuits of refrigerating systems and heat pumps. It also describes the requirements to qualify the tightness and permeability of non metallic tubes (e. g., plastic) used in evaporating and or condensing