National boilers, radiators, and specialties: catalog no. 26 (1920)
National Radiator Company · National Radiator Company · leaf 18
ches to length of boiler for smoke hood. Uo not bush flow outlets on steam boilers. Connect full size to main where velocity of steam exceeds 20 feet per second under maximum condition of oad! Additionalmeasurements, pages 24 and 25. For price list repairs, see pages 97 and 101. Assembling chart,… … No. 6-31-W Thirty-one Series SectionalWater Boilers No. ofBoiler RatingSeeNote ListPriceCom-plete *Lgth. ofBoiler Inches No.ofSees. Grate Area Sq. Ft. Aver- rirepotSq. Ft. Size Founda-tionInches OutletsInches 6-31-W7-31-W 8-31-W9-31-W 3250382544004975 3499.00559.00620.00680.00 44 H 52 67 6 789…
