Refrigerating systems and heat pumps. Competence of personnel not-for-sale U-tube bends with two 90°

U-tube bends with two 90° bends) further qualifications will be provided

The main objective of ISO 15609‑1 is to improve quality assurance systems in the field of welding

Using the BS EN 61649 guidelines helps users with the Weibull distribution and can give information on time to analyse failure or minimum endurance

The (base) Device Model is intended to provide a unified view of devices irrespective of the underlying device protocols

Geosynthetics is a product manufactured from polymeric material used with soil

Refrigerating systems and heat pumps. Competence of personnel not-for-sale U-tube bends with two 90°1 Scope This European Standard defines the activities related to refrigerating circuits and the associated competence profiles and establishes procedures for assessing the competence of persons who carry out these activities. NOTE As a refrigerating circuit is considered not to incorporate electrical and electronic systems, activities in this area are not part of this standard. For competences on electrical and electronic systems, it is recommended to