Cyclopedia of architecture, carpentry, and building : a general reference work ... (1907)
American School of Correspondence · Chicago : American Technical Society · leaf 81
s in overhead returns, A\here the con-densation partially fills the pipes, there is likely to be cracking orwater-hammer, due to the sudden condensation of the steam as itcomes in contact with the cooler water. This is especially noticeablewhen steam is first turned into cold pipes and radiatc^rs,… … WMMimmmmmmimm^mim. Fig. 33. Arrangement of Piping and Radiators in Two-Pipe System. and standing water is in the vertical returns, where the exposed sur-faces are very small (being ecjual to the sectional area of the j)ipes),and trouble from water-hammer is practically done away with. Dryreturns…
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