National boilers, radiators, and specialties: catalog no. 26 (1920)
National Radiator Company · National Radiator Company · leaf 14
ets on steam boilers. Connect full size to main wherevelocity of steam exceeds 20 feet per second under maximum conditions of load.Arranged for pipe coil for heating water for domestic purposes.Additional measurements, pages 24 and 25.For price list repairs, see pages 97 and 101.Assembling chart,… … No. 6-20-W Twenty Series SectionalWater Boilers No. ofBoiler RatingSeeNote ListPrice Com-plete tLgth. ofBoiler Inches No.ofSees. Crate Area Sq. Ft. Aver-ageFirepotSq. Ft. SizeFounda-tionInches Outlets Inches 5-20-W 6-20-W7-20-W 110013701600 3212.00 248,00284.00 27% , S3V2 39H 56 7 3.24 4.024.80…
