A treatise on architecture and building construction (1899)
International Correspondence Schools · Scranton, The Colliery engineer co. · leaf 52
extension ofpipe Fas shown by the dotted lines. Check-valves should not be employed in this return pipe,because the circulating current is too weak to operate them. The hot water rises in A and returns in B^ thus maintaininga circulation sufficient to keep A filled throughout its entirelength with… … Fig. 29. supply pipe; B is the return pipe; X is the cold-water sup-ply; Fand Zare the connections to the waterback C. Thewaterback should be at a lower level than the bottom of theboiler. The arrows show the direction of the circulation. Theboiler may be supported upon brackets or may be suspended…
Architecture · Building
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