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Posted by Bill D. on July 29, 2002 at 06:30:22:
In Reply to: Boiler Blowdown posted by Cody Lawton on July 26, 2002 at 05:44:32:
As the others stated you should always open your quick closing valve first and close last. I would recommend that you review your Boiler manual & get a copy of the 2001 ASME Boiler & Pressure Vessel Code VII " Recommended Guidelines for the Care of Power Boilers". Here you will find referenece to Blowoff valve sequencing in subsection C2.427, Pg.16. Go to ASME.org/codes/