Posted by Tony Conner on December 27, 2001 at 07:26:11:
In Reply to: Boiler Blowdown posted by JimC on December 25, 2001 at 17:54:40:
If you can get hold of a copy of the ASME B31.1 Power Piping Code, it'll answer a lot of your questions. There's a specific section on "Near Boiler Piping" that covers feedwater, blowdown, and steam piping, and fitting & valve requirements.
Remember that when ASME says "design" pressure, they're referring to where the safety or relief valves lift, not the operating pressure.
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