Burnham Series 8H/8HE Boiler Manual De Propietario
43
HEAT CONVEYED PER HOUR, MBH, WITH 20°F TEMPERATURE DROP
fRIcTION Vs wATER fLOw - IRON PIPE
TO UsE ThIs fIGURE: (1) ENTER hORIZONTAL scALE AT DEsIRED fLOw, (2) MOVE
DOwN VERTIcALLy TO UPPER LIMIT Of UNshADED AREA, (3) PIck Off MINIMUM PIPE
sIZE ON DIAGONAL LINEs sLOPING UPwARD TO ThE RIGhT. (4) PIck Off wATER
VELOcITy ON DIAGONAL LINEs sLOPING UPwARD TO ThE LEfT.
fIGURE 3-5