EN 12952, EN 12953: requirements for the construction and workmanship of steam boilers; EN 13445: directive on pressure vessel inspection and testing; EN 13480: standard for metallic industrial pipelines Some European countries also have their own specific regulations.
Read More> Appendix 2 of Customs union Technical Regulations «On safety of equipment working under pressure» Safety devices on steam and hot water boilers are installed on the nozzles or pipelines directly connected to the boiler, as follows: and also on feedwater pipelines for steam boiler without economizer.
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