Pressure equipment for refrigerating systems and heat pumps - Vessels. General requirements seo-ignore the flange designations quoted are

the flange designations quoted are for identification purposes only

in which the characteristics of various parts of sound systems and their methods of measurement are specified

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Pressure equipment for refrigerating systems and heat pumps - Vessels. General requirements seo-ignore the flange designations quoted are1 Scope This document specifies the requirements for material, design, manufacturing, testing and documentation for stationary pressure vessels intended for use in refrigerating systems and heat pumps. These systems are referenced in this document as refrigerating systems as defined in EN 3781: 2016. The term refrigerating system used in this document includes heat pumps. This document applies to vessels, including welded or brazed attachments up to