A treatise on architecture and building construction (1899)
International Correspondence Schools · Scranton, The Colliery engineer co. · leaf 311
ators.—It is more difficult to auto-matically regulate the draft in a hot-water heater than in asteam boiler. In the latter case the regulator is operatedby C^Q pressure of the steam, and the pressure is nearly thesame in all the pipes which lead from the boiler. In a hot-water apparatus, however,… … Fig. 66. efficient class is that which utilizes the expansive force ofsome volatile liquid, which is acted upon by the hot waterpassing through the apparatus. A regulator of this kind isshown in Fig. 66. It contains a diaphragm of ordinary con-struction, which operates the lever d in the usual…
Architecture · Building
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