Reliable vacuum and vacu-vapor heating equipment (1915)
The Bishop-Babcock-Becker Co. · The Bishop-Babcock-Becker Co. · leaf 71
partially orfully opening ports in seat, COMPOSITION SEAT on which valveturns. It isself-cleaning, and unaffectedby steam. The Vacu-GraduatePackless.Radiator \ahe lent Applied For % inch size A Vacu-Graduate Packless Valve with lever-handle is installed on the supply end of each topfeed radiator or… … % inch size therefore be heated independently and the desiredtemperature maintained in each room, regardlessof the weather conditions. A graduated dialcorrectly indicates the amount of vapor and steamadmitted. It will be noticed that only a one-quarter turnof the lever-handle fully opens or closes…
Heating units · Vacuum-tube collectors · HVAC ducts and casings
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