Stationary Engineering ...

ash pit blow-off bolts bottom bridge wall burned carbon cast iron cent check valve chimney circulation cleaning closed coal combustion connected construction cylinder damper degrees Fahrenheit diameter engine evaporation exhaust steam Fahrenheit Feed Water Heater feet fire box fire brick flange flue fuel furnished fusible plug gauge cocks Globe Valve heated gases heating surface horse power injector inlet internal lap joint lever live steam located mechanical stokers metal mud drum necessary operation permit placed plates pounds of water pounds per square prevent pump purifier riveted safety valve Safety Water screw seams Sectional View shell shown in Fig side smoke space square inch stack stays steam boiler steam drum steam gauge steam pipes steam pressure Steam Trap steel stop valve temperature tensile strength thickness tion type of boiler usually Vertical water column water line Water Tube Boiler weight wrought iron