A treatise on architecture and building construction (1899)
International Correspondence Schools · Scranton, The Colliery engineer co. · leaf 302
. The pressureis increased until the gauge shows from 100 to 150 poundsper square inch. Another test should be made, with steam,before the pipes are covered up, if possible. This will deter-mine whether the expansion is properly provided for, andwhether the system is in working order. The steam… … Fig. 02. at least two inches should be maintained at all points, andwhere this cannot be had, special protection should be pro-vided. Return pipes are liable to be full of hot steam attimes, therefore they must be guarded the same as steam-supply pipes. 106 HEATING AND VENTILATION § 17 Fig. 62…
Architecture · Building
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