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Standards Under Review
Specification and qualification of welding procedures for metallic materials — Welding procedure specification — Part 2: Gas welding - NL ISO 15609-2:2021
Apr 29, 2021
Welding consumables — Technical delivery conditions for filler materials and fluxes — Type of product, dimensions, tolerances and markings - NL ISO 544:2021
Apr 29, 2021
Testing and rating of direct exchange ground coupled heat pumps with electrically driven compressors for space heating and/or cooling - Part 1: Direct exchange-to-water heat pumps - NL EN 15879-1:2021
Apr 29, 2021
Refrigerant compressors - Rating conditions, tolerances and presentation of manufacturer's performance data - NL EN 12900:2021
Apr 29, 2021
Condensing units for refrigeration - Rating conditions, tolerances and presentation of manufacturer's performance data - NL EN 13215:2021
Apr 29, 2021
Refrigerating systems and heat pumps - Pressure relief devices and their associated piping - Methods for calculation - NL EN 13136:2021
Apr 29, 2021
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