Cyclopedia of architecture, carpentry, and building : a general reference work ... (1907)
American School of Correspondence · Chicago : American Technical Society · leaf 200
Fig. 37. Heater with Coke Fitter. the steam is allowed to pass through the heater, the latter when only aportion of the exhaust from the engines is allowed to enter. A very essential appliance used with exhaust-steam heating is thepressure-reducing valve, which makes good with live steam any de-… … 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.
Architecture · Building · Carpentry
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