Reliable vacuum and vacu-vapor heating equipment (1915)
The Bishop-Babcock-Becker Co. · The Bishop-Babcock-Becker Co. · leaf 19
packing,and have compensating springs, which automaticallytake up wear in the packing. Valves are readily accessible. The removable valve seatsare bronze. The main shaft bearings and pinions arephosphor bronze. Base is heavy iron, cast in one piece. Lubrication. All bearings have large grease cups,… … See page 11 for list of equipment included with these pumps NOTE THE SIMPLICITY The RELIABLE Electric Vacuum Pumps areautomatic and noiseless, and draw air continuouslywhen in operation. With their double speed re-duction, they work slowly and evenly, and usebut i to i the power required to operate…
Heating units · Vacuum-tube collectors · HVAC ducts and casings
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