This document applies to wrought steel enclosures and their welding. These enclosures are pressurized with dry air, inert gases, for example sulphur hexafluoride or nitrogen or a mixture of such gases, used in indoor and outdoor installations of high-voltage switchgear and controlgear with rated voltages above 1kV, where the gas is used principally for its dielectric and/or arc-quenching properties with rated voltages: - above 1 kV and up to and including 52 kV concerning gas-filled compartments with design pressure higher than 300 kPa relative pressure (gauge); - above 52 kV concerning all gas-filled compartments. The enclosures comprise parts of electrical equipment not necessarily limited to the following examples: - circuit-breakers; - switch-disconnectors; - disconnectors; - earthing switches; - current transformers; - voltage transformers; - surge arrestors; - busbars and connections; - etc. The scope also covers enclosures of pressurized components such as the centre chamber of live tank switchgear, gas-insulated current transformers, etc.
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EN 13445-3:2014 Unfired pressure vessels - Part 3: Design
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EN 13445-3:2014 Unfired pressure vessels - Part 3: Design
EN 13445-3:2021 Unfired pressure vessels - Part 3: Design
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EN ISO 15614-1:2017 Specification and qualification of welding procedures for metallic materials - Welding procedure test - Part 1: Arc and gas welding of steels and arc welding of nickel and nickel alloys (ISO 15614-1:2017, Corrected version 2017-10-01)
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EN ISO 17636-1:2022 Non-destructive testing of welds - Radiographic testing - Part 1: X- and gamma-ray techniques with film (ISO 17636-1:2022)
EN ISO 17636-2:2013 Non-destructive testing of welds - Radiographic testing - Part 2: X- and gamma-ray techniques with digital detectors (ISO 17636-2:2013)
EN ISO 17636-2:2022 Non-destructive testing of welds - Radiographic testing - Part 2: X- and gamma-ray techniques with digital detectors (ISO 17636-2:2022)
EN ISO 17640:2018 Non-destructive testing of welds - Ultrasonic testing - Techniques, testing levels, and assessment (ISO 17640:2018)
EN ISO 3452-1:2013 Non-destructive testing - Penetrant testing - Part 1: General principles (ISO 3452-1:2013, Corrected version 2014-05-01)
EN ISO 3452-1:2021 Non-destructive testing - Penetrant testing - Part 1: General principles (ISO 3452-1:2021)
EN ISO 3452-2:2000 Non-destructive testing - Penetrant testing - Part 2: Testing of penetrant materials (ISO 3452-2:2000)
EN ISO 3452-2:2006 Non-destructive testing - Penetrant testing - Part 2: Testing of penetrant materials (ISO 3452-2:2006)
EN ISO 3452-2:2013 Non-destructive testing - Penetrant testing - Part 2: Testing of penetrant materials (ISO 3452-2:2013)
EN ISO 3452-2:2021 Non-destructive testing - Penetrant testing - Part 2: Testing of penetrant materials (ISO 3452-2:2021)
EN ISO 3452-3:1998 Non-destructive testing - Penetrant testing - Part 3: Reference test blocks (ISO 3452-3:1998)
EN ISO 3452-3:2013 Non-destructive testing - Penetrant testing - Part 3: Reference test blocks (ISO 3452-3:2013)
EN ISO 3452-4:1998 Non-destructive testing - Penetrant testing - Part 4: Equipment (ISO 3452-4:1998)
EN ISO 3452-5:2008 Non-destructive testing - Penetrant testing - Part 5: Penetrant testing at temperatures higher than 50 degrees C (ISO 3452-5:2008)
EN ISO 3452-6:2008 Non-destructive testing - Penetrant testing - Part 6: Penetrant testing at temperatures lower than 10 degrees C (ISO 3452-6:2008)
EN ISO 898-1:2013 Mechanical properties of fasteners made of carbon steel and alloy steel - Part 1: Bolts, screws and studs with specified property classes - Coarse thread and fine pitch thread (ISO 898-1:2013)
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EN ISO 9606-1:2017 Qualification testing of welders - Fusion welding - Part 1: Steels (ISO 9606-1:2012 including Cor 1:2012 and Cor 2:2013)
EN ISO 9712:2012 Non-destructive testing - Qualification and certification of NDT personnel (ISO 9712:2012)
EN ISO 9712:2022 Non-destructive testing - Qualification and certification of NDT personnel (ISO 9712:2021)