Reliable vacuum and vacu-vapor heating equipment (1915)
The Bishop-Babcock-Becker Co. · The Bishop-Babcock-Becker Co. · leaf 51
s ball valve at bottom, always insures positiveseating, so steam cannot escape. A bronze compen-sating spring prevents vibration of the thermalmember. The Vacu-Traps make every radiator orcoil do its full duty — fully efficient. They arenoiseless, and the most positive-acting and durablereturn line… … No. 2 Flushing Vacu-Trap With Key Made in 3^> M a°d 1 inch sizes The Little Wonder and No. 1 Vacu-Trapsare identical, in style of construction and oper-ation, except that the Little Wonder Vacu-Trapis smaller. The No. 2 Vacu-Trap is a flushing trap, andno change of valves or piping is necessary…
Heating units · Vacuum-tube collectors · HVAC ducts and casings
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