Thermal Solutions EVS SERIES Installation, Operating And Service Instructions page 21

TABLE 2 - EVS BOILER FLOW AND PRESSURE DROP
20°DT
(at high fire)
BOILER
MODEL
DP
(Ft.)
EVS-500 2.93
EVS-750 1.81
EVS-1000 3.24
EVS-1500 7.37
EVS-2000 13.27
EVS-2000S 4.27
EVS-2500 4.34
EVS-3000 4.41
40°DT
(at high fire)
Flow DP Flow
(GPM) (Ft.) (GPM)
43 0.74 22
62 0.46 31
82 0.81 41
125 1.85 63
170 3.32 85
173 1.36 87
217 1.43 109
261 1.73 131
Figure 8: Water Piping (Single Boiler)
Minimum Flow Maximum Flow
Rate (gpm) Rate (gpm)
22
31
44
63
85
87
109
131
21
Supply/Return
Pipe
(inch dia.)
43 2
62 3
82 3
125 3
170 3
173 4
217 4
261 4