. Building with assurance . Hot Water Fitting Valves The home builder should look well to theselection of valves for his heating system: Aleaky valve is a source of a great deal ofannoyance caused by the escape of steam andwater, soiling the trimmings of the valves,also the rugs, walls and ceilings, and necessi-tating the annoyance of repairs during thewinter. These valves should be of the self packingtype. A small compression spring under thestuffing nut keeps the packing in position andfully compensates for the wear on packing.(See the section below). In hot water heating jobs the valves sho
. Building with assurance . Hot Water Fitting Valves The home builder should look well to theselection of valves for his heating system: Aleaky valve is a source of a great deal ofannoyance caused by the escape of steam andwater, soiling the trimmings of the valves,also the rugs, walls and ceilings, and necessi-tating the annoyance of repairs during thewinter. These valves should be of the self packingtype. A small compression spring under thestuffing nut keeps the packing in position andfully compensates for the wear on packing.(See the section below). In hot water heating jobs the valves shouldhave a brass plate with an arrow fitted at thetop of the handwheel, which indicates whetherthe valve is open or closed. This type valveopens or closes in a quarter of a turn. Discsof hot water valves should always have asmall 3/^ diameter hole through them to allowwater to flow through the radiator to preventthe possibility of freezing. Hot Water Valve. Section of Valve 205 ^ Lumber and Its Uses AS ALL millwork is made from lumber, it might be well to give a brief description^^^ and comparison of the different woods most commonly used. Woods are divided into two general classes: Softwood, which withstands the ef-fects of weather and is adaptable to paint finish, is used to best advantage for theexterior of buildings, sash and doors, boxes and crates, toys and other minor articles;Hardwood, which takes varnish and stains of all kinds and as the term implies ishard of texture, is used for interior trimming of buildings, such as doors, stairwork,paneling, etc.; flooring, furniture, car construction, automobiles, agricultural imple-ments and numerous other items. The most common softwoods are cedar, cypress, fir, poplar, redwood, yellow pine,spruce, hemlock, tamarack, larch, white pine and western pine. Hardwoods include butternut, buckeye, basswood, calico ash, brown ash, cherry,ehn, beech, hickory, maple, locust, unselected birch, red
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Keywords: ., bookcentury1900, bookdecade1920, booksubjectdivisio, bookyear1921
