Watts AERCO Modulex EXT Series Technical Application Manual page 13

Modulex EXT Series Piping
BOILER LOOP DESIGN GUIDELINES
TABLE 2.2: Commercial: 40 F
40°F ΔT Water Flow
Water Flow (GPM) @ Max. ΔT of 40°F
Water Pressure Drop (Ft. of Hd.) across Boiler @ 40°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 40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)
TABLE 2.3: Commercial: 30 F
30°F ΔT Water Flow
Water Flow (GPM) @ Max. ΔT of 30°F
Water Pressure Drop (Ft. of Hd.) across Boiler @30°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 40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)
TAG-0099
Application Guide
∆
T Water Flow
EXT 1500 2S
70
3.6
0.45
0.63
4.69
3"
99127-7
3"
3"
∆
T Water Flow
EXT 1500 2S
94
5.2
0.79
1.12
7.17
3"
99127-7
3"
3"
AERCO International, Inc. • 100 Oritani Dr. • Blauvelt, NY 10913
Phone: 800-526-0288
EXT 2300 2S EXT 2600 2S
106 123
4.9 5.2
1.00 0.45
1.42 0.50
7.35 6.20
3" 4"
99127-7 99208-3
3" 3"
3" 3"
EXT 2300 2S EXT 2600 2S
141 164
9.5 9.8
1.79 0.79
3.81 0.88
15.11 11.52
3" 4"
99208-5 99208-5
3" 3"
3" 3"
EXT 3000 2S
141
4.6
0.58
0.66
5.83
4"
99208-3
3"
3"
EXT 3000 2S
188
8.5
1.04
1.15
10.72
4"
99208-6
3"
3"
Page 13 of 37
10.07.2021