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UNUSUAL STEAM VALVES? (4 Posts)
UNUSUAL STEAM VALVES?HAS ANYBODY EVER SEEN ANYTHING LIKE THIS.
SteamThose are test cocks. They let you manually check the water level in a gauge glass or boiler.- Joe Starosielec
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Also known asThese are also known as Try cocks. They are used if a gauge glass is broken or plugged. The three test points will tell you where the water line is. Bottom cock should spray water, middle cock should spray a mix or mostly water. Top cock should emit steam only.
Here is a link with some pictures that explain how it works. http://constructionmanuals.tpub.com/14279/css/14279_56.htmDave in Quad Cities, America
Weil-McLain 680 with Riello 2-stage burner, December 2012. Firing rate=375MBH Low, 690MBH Hi.
System = Early Dunham 2-pipe Vacuo-Vapor (inlet and outlet both at bottom of radiators) Traps are Dunham #2 rebuilt w. Barnes-Jones Cage Units, Dunham-Bush 1E, Mepco 1E, and Armstrong TS-2. All valves haveTunstall orifices sized at 8 oz.
Current connected load EDR= 1,259 sq ft, Original system EDR = 2,100 sq ft Vaporstat, 13 oz cutout, 4 oz cutin - Temp. control Tekmar 279.
http://grandviewdavenport.comThis post was edited by an admin on April 12, 2013 9:35 AM.
Thanks for the informationI thought these valves were rather unusual. Not something you see in a standard home owners boiler. And it's a good day because I learned something new.
Thanks again, Brian