Cyclopedia of architecture, carpentry, and building : a general reference work ... (1907)
American School of Correspondence · Chicago : American Technical Society · leaf 174
5-inch main, a !2i-inch a 4-inch main, etc. For the smaller sizes, the difference should not be more than onesize. All reducing valves should be provided with a valved by-passfor cutting out the valve in case of repairs. This connection is. usuallymade as shown in plan by Fig. 112. Grease… … BY-PASS Fig. 112. Connections of Reducing Valve in Exhau.st-Steaiu Heating System. w^ater of condensation through a separating tank before returning it tothe boilers. Such an arrangement is shown in Fig. 113. As the oil collectson the surface of the water in the tank, it can be made to overflowinto…
Architecture · Building · Carpentry
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