Mechanical Return— Steam heating systems in which the height between the end of the main and the boiler water line (drip connection) is insufficient for gravity return of condensate back to the boiler A condensate pump provides the mechanical means for co

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5/1/2005 · Line velocity of no more than 50 to 66 ft/sec is recommended for condensate return lines and vent pipes. Sizing programs and nomographs are available that combine sizing calculations for the size of a flash vessel, condensate line, and flash st

How to Flush the Return Lines on an Old Steam Heating System Then we cut a line into the plastic to where any penetrations come out of the floor and make some

Sep 01, 2012 · Off The Wall: Steam boilers and wet returns. Make sure you get a good low-pressure gauge (0-3 psi) on your new boiler, and enough main vents to keep the venting back-pressure below 2 ounces. Hap: The wet returns are in good shape from what

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Stop Knocking Your Condensate Return. the steam load on the boiler, than the pressurized return line. The ratio of flash steam to condensate on a

Steam-Using Equipment Collecting Tank (vented to atmosphere) Steam Trap Boiler Nonflashing Flashing Pumped Corrosion Catastrophic Failure p Usually. if the return line is not Large Pressure Difference Small Pressure Difference suitably designed. a tremend

Those piping sections are found near the steam boiler itself or at steam condensate return reservoirs and pumps. To control or reduce the corrosion and leaks caused by corrosive steam condensate the steam boiler water may be pre-treated or the condensate