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PR NF E32-115-2 ; PR NF EN 12953-2
Shell boilers - Part 2 : materials for pressure parts of boilers and accessories.
PR NF E32-115-6 ; PR NF EN 12953-6
Shell boilers - Part 6 : requirements for equipment for the boiler.
PR NF E32-115-9 ; PR NF EN 12953-9
Shell boilers - Part 9 : requirements for limiting devices of the boiler and accessories.
PR NF E35-408/A1 ; PR NF EN ISO 21922/A1
Refrigerating systems and heat pumps - Valves - Requirements, testing and marking - Amendment 1
PR NF E35-409 ; PR NF EN 12900
Refrigerant compressors - Rating conditions, tolerances and presentation of manufacturer's performance data
PR NF E35-412 ; PR NF EN 12693
Refrigerating systems and heat pumps - Safety and environmental requirements - Positive displacement refrigerant compressors.
PR NF E35-413 ; PR NF EN ISO 24664
Refrigerating systems and heat pumps - Pressure relief devices and their associated piping - Methods for calculation
PR NF E35-414-1/A1 ; PR NF EN 14276-1/A1
Pressure equipment for refrigerating systems and heat pumps - Part 1 : vesels - General requirements.
PR NF E35-414-2/A1 ; PR NF EN 14276-2/A1
Pressure equipment for refrigerating systems and heat pumps - Part 2 : piping - General requirements.
PR NF E35-424 ; PR NF EN ISO 14903
Refrigerating systems and heat pumps - Qualification of tightness of components and joints (ISO/DIS 14903:2016)
