Cyclopedia of architecture, carpentry, and building : a general reference work ... (1907)
American School of Correspondence · Chicago : American Technical Society · leaf 200
Fig. 38. Method of Making Connections when All the Steam is Allowedto Pass Through the Heatei-. A hack-pressure valve must be used with exhaust-steam heating,to regulate the pressure to be carried. It also acts as a safety-valvein case of over-pressure from any cause. … ,X sXXXx»xx-\XxxX^5^ Fig. 39. Method of Making Connections when Only a Portion of Exhaust from Engine is Allowed to Enter. Heating .systems are sometimes arranged by bringing to them livesteam to be reduced in the buikling to any desired pressure bv a reduc- 168 STEAM AND HOT WATER FITTING So…
Architecture · Building · Carpentry
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