Installation of elbows on the steam boiler safety valve exhaust pipe (relief pipe)
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As the title suggests, the construction and renovation party has a discharge pipe with several elbows that lead it over 20 meters to a safe location outside; are there any **standards** for the design of these elbows? I have reviewed the TSG G0001-2012 Regulations on Safety Inspection of Boilers and the TSG 21-2016 Regulations on Safety Inspection of Fixed Pressure Vessels; these regulations only specify that there should be a direct path to a safe location and that the relief pipes should be short and straight, but they do not mention anything regarding elbows. Seeking advice from experts
This is a problem related to the calculation of pressure drop; the condensate drainage at the lowest point remains constant, and what remains is the issue of the pressure drop due to steam discharge and the length of the pipelines (number of bends).
Thank you for providing the solution; I’ve learned from it