Watts AERCO Modulex EXT Series Technical Application Manual page 14

Modulex EXT Series Piping
BOILER LOOP DESIGN GUIDELINES
TABLE 2.4: Commercial: 25 F
25°F ΔT Water Flow
Water Flow (GPM) @ Max. ΔT of 25°F
Water Pressure Drop (Ft. of Hd.) across Boiler @20°F
ΔT Flow
Strainer ∆P (Ft. of Hd.) – ('Y' Strainer, 20 mesh)
ΔP (Ft. of Hd.) – (20' SCH.40, 4 x 90°, 2 x reducing
couplings, 2 x Ball Valve)
Total Primary Loop ∆P (Ft. of Hd.) @ ∆T of 25F
Strainer, Pipes, Valves and Fittings Sizes used to
estimate ∆P for above piping configurations
Recommended AERCO Pump + Circuit Setter Kit for
piping configurations not exceeding the above example
Kit includes: Pump Flange Size
Kit includes: Circuit Setter Size (NPT)
Page 14 of 37
10.07.2010
Application Guide
∆
T Water Flow
EXT 1500 2S
113
7.9
1.14
2.27
11.28
3"
99208-4
3"
3"
AERCO International, Inc. • 100 Oritani Dr.
Phone: 800-526-0288
EXT 2300 2S EXT 2600 2S
169 197
16.4 17.7
2.57 1.14
4.97 1.79
23.95 20.65
3" 4"
99208-7 99208-7
3" 3"
3" 3"
Blauvelt, NY 10913
EXT 3000 2S
225
13.1
1.49
2.31
16.92
4"
99208-7
3"
3"
TAG-0099