Document g27MqKdym5DXgL1E7wDQnpx49

American Society of Heatinq and Ventilating Engineers Guide, 1932 Fig. 28. Fin Type Radi ator-Near Basement Ceiling Fig. 31. Horizontal Sectional Fin Type Radiator Fig. 29. Fin Type Radi ator Concealed Under Window V -------------~= a 1 .1 Fig. 32. Fin Type Radi ator Valves Behind Grille ator Connections Same End 7 CABINET . ^ TYPE Fig. 33. Fin Type Radi ator Concealed in Cabinet Chapter 9--Steam Heating Systems and Pipe Sizes supply mains shall be above these mains, or that there shall be a drainage connection consisting of a trap or of a pipe leading to the wet return, depending on the type of system, above these supply valves. Without such provision water will condense above the valves when they are closed, Fig. 34. Fin Type Radiator with Valves in Basement Fig. 35. Method of Encasing Indirect Radiator with Hot Air Outlet in Floor Fig. 37. Typical Piping Connections to Indirect Radiators with Dry Return Fig. 36. Typical Piping Connections to Indirect Radiators with Wet Return Fig. 38. Method of Encasing Indirect Radiator with Hot Air Outlet in Wall 164 Blast Coils Exceeding 12 Sections Fig, 41. Connections for Blast Heaters - and this may cause objectionable noise or damage when the valves are opened. Blast Heater Connections Fig. 40 shows vacuum system returns-for fan-blast heaters with the auxiliary air vent piping and air-line valves usually required with these heaters, especially when they are of cast-iron. 165