National boilers, radiators, and specialties: catalog no. 26 (1920)
National Radiator Company · National Radiator Company · leaf 93
ng providedfor it on a steam boiler by means of a short nipple. This insuresperfect operation. To adjust this regulator, first connect the chains operatingthe draft doors as per standard practice. Then raise whateverpressure you desire to maintain at the boiler and set the weightaccordingly on the… … Series of Boiler Name of Part 10 or 20 or 30 or 40 or 50 or 60 or100 200 300 400 500 600 Base (two sides and back) Base Front Frame (front only). Draft Door Ratchet Draft Door Frame Draft Door Ashpit Door Grate Lock Finger Bar Grate Ring Grate Bar Grate Connecting Bar Angle Lever Connecting Arm . .…
