Cyclopedia of architecture, carpentry, and building : a general reference work (1912)
American Technical Society · Chicago : American Technical Society · leaf 96
return. Sometimes the return pipesare run overhead and this is called a dry return. This dry returnis more productive of noise in the pipes than the wet return and is notso often used. In either case one set of pipes is run from the mainsupply pipe in the cellar to the different radiators and… … Fig. 59. One-Pipe Relief System. One=Pipe Relief System. In this system the arrangementof the cellar piping is the same as in the wet return previouslydescribed, but the supply to the radiators consists of but one pipe,taken off from the main supply in the cellar, the steam flowing in,and the…
Architecture · Building
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