Document BvoQLqp0e8KXnDYEKaOb4Eq5o

American Society of Heating and Ventilating Engineers Guide, 1929 The equivalent length of run from the farthest radiator served by riser I to the vacuum pump is between 300 and 400 ft.--therefore size that riser according to Column R. Size the return riser / in a manner similar to that used for riser H. The equivalent length of run from the farthest radiator served by return main JK to the vacuum pump is between 400 and 500 ft.--therefore size entire run from top of return riser K to J according to Column S. Part of System Return Riser K " aa " "* aa aa a aa Branch Return Main Section of Pipe g to/ / to e e to d d to c c to b b to a to Return Riser K K to J Radiation Served, Sq. Ft. 400 600 800 1000 1200 1400 1400 1600 TYPICAL PIPING CONNECTIONS Pipe Size. Inches % H 1 1 1 1 1H m Chapter III--Steam Heating Systems and Piping SUPPLY MAIN-} QETUQN main ^passes TOPCrBOTTOM OPPOSITE END GADUTOQ CONNECTIONS FQDM UP 00 DOWN FEED QISEQS t DCY qetuqvi TOP & BOTTOM OPPOSITE END EAOATOP CONNECTIONS WITH HEEL OF DOWN FttD tttSER DIPPED OTO DCY CETUCVJ mD vau/E. ! LIFT. FITTING VACUUM QETUQN UFT FTTUNQ SERIESOK LFTFTTTIIISS WHERE UFT IS MORE [VACUUM QETXJQN THAN 5 FEET Fig. 9. Typical Connections for Mains and . Branches 108 TYPICAL CONNECTIONS TO MANIFOLD COILS HAYING M0BE THAN 6 PIPES. Fig. 10. Typical Steam Piping Connections 109