. Reliable vacuum and vacu-vapor heating equipment . e vacuum pumps. The No. 1969 Separator isdrained automatically,the operation being asfollows: Before operatingthe system, plug atXshould be removed andtwo or threequarts ofwater pouredthrough open-ing, and thewater will re-main at top ofpipe P. When vacuum pump is started, air andany drip is drawn out of the system, and strainerB on Separator catches any foreign air is thoroughly filtered and cooled by passingthrough the water in Separator. The drip fromthe air lines is automatically retained in Separa-tor, and cannot enter air li
. Reliable vacuum and vacu-vapor heating equipment . e vacuum pumps. The No. 1969 Separator isdrained automatically,the operation being asfollows: Before operatingthe system, plug atXshould be removed andtwo or threequarts ofwater pouredthrough open-ing, and thewater will re-main at top ofpipe P. When vacuum pump is started, air andany drip is drawn out of the system, and strainerB on Separator catches any foreign air is thoroughly filtered and cooled by passingthrough the water in Separator. The drip fromthe air lines is automatically retained in Separa-tor, and cannot enter air line leading to the vacuumpump. Check valve K on drain is kept closedby the vacuum, but when the tank is full thisvalve opens, automatically draining the pump is not in operation check valveL is automatically closed by the water inSeparator, so air cannot get back into the systemthrough the Separator. It is seldom necessary to clean the Separatormore than once during a heating season. It iseasily cleaned. Unscrew cap S on inlet connec-. Twenty-Six VACUUM HEATING EQUIPMENT tion, and flush by pouring water in opening Xat top of Separator. The No. 1969 RELIABLE Separator is perfectin operation; requires no attention; and is very-durable. It is included with RELIABLE Hydrau-lic Air Line Outfits, Nos. 102, 104 and 106. Awood shelf and two iron brackets are furnished,for mounting. AIR LINE SEPARATOR No. 1979 The No. 1979 Separatoris included with RELI-ABLE Hydraulic Outfit only. Its purpose is to ::;prevent foreign matter anddrip from the air lines beingdrawn into the pump, sameas the No. 1969 Separatordescribed on preceding page. Before operating thesystem, plug in tapping attop of Separator shouldbe removed and water pour-ed through the opening un-til it appears at bottomof the gauge glass. Draining is necessarywhen the gauge glass showsthe tank is two-thirds full-To drain, shut off the vacuum pump, open vent valve at the top, andthe Separator will drain itself
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