Reliable vacuum and vacu-vapor heating equipment (1915)
The Bishop-Babcock-Becker Co. · The Bishop-Babcock-Becker Co. · leaf 21
ontracts andexpands as temperature ofvolatile liquid is lowered orraised. When thermal mem-ber cools, it contracts andthe air outlet, between ther-mal member and seat below,is opened. Any air in thesystem then passes out ofVacUstat into the AirLine. When steam reachesthermal member, it expandsand… … S E AT — just flexibleenough to always insureperfect (tight) seating ofthermal member The VacUstat Patented June 23, 1914 Capacity —150 Square Feet Direct Radiation A VacUstat is placed on each radiator or coil athighest vent tapping, and through its use air resistance iseliminated from the system.…
Heating units · Vacuum-tube collectors · HVAC ducts and casings
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