Aerco AM Series - Page 10

Page 10 of 30 AERCO International, Inc. • 100 Oritani Dr. • Blauvelt, New York 10913 • Phone: 800-526-0288 PR1 04/08/2014
GF-146-P
TAG-0074 0B
AM Series Piping
Application Guide
TABLE 1: Flow Rate and Pressure Drops
AM 399
AM 500
AM 750
AM 1000
Minimum Water Flow (GPM) @ Min. Fire Rate 4 4 4 4
Minimum Water Flow (GPM) @ Max. Fire Rate 7 9 14 18
Maximum Water Flow (GPM) 37 37 55 74
Water Pressure Drop (Ft. of Hd.) at Max. Flow 29 55 41.5 38
@ 50°F
Water Flow (GPM) @ Max. ∆T of 50°F 14.7 18.4 27.6 36.8
Water Pressure Drop (Ft. of Hd.) at Min. Flow 5 17 13 10.5
Strainer, Pipes, Valves and Fittings Size 1-1/4" NPT
1-1/2"
NPT
1-1/2" NPT 2" NPT
Strainer ∆P (Ft. of Hd.) – (‘Y’ Strainer, 20 mesh) 0.63 0.54 1.22 0.64
∆P (Ft. of Hd.) – (20’ SCH.40, 4 x 90°, 2 x
reducing
couplings, 2 x Ball Valve)
1.28 1.03 2.37 1.22
Total Primary Loop ∆P (Ft. of Hd.) @ ∆T of
50°F
6.91 18.57 16.59 12.36
@ 40°F
Water Flow (GPM) @ 40°F ∆T 18.4 23.0 34.5 46.0
Water Pressure Drop (Ft. of Hd.) @ 40°F ∆T
Flow
7.5 25 18.5 15
Strainer, Pipes, Valves and Fittings Size 1-1/4" NPT
1-1/2"
NPT
2" NPT 2" NPT
Strainer ∆P (Ft. of Hd.) – (‘Y’ Strainer, 20 mesh) 0.99 0.85 0.56 1.00
∆P (Ft. of Hd.) – (20’ SCH.40, 4 x 90°, 2 x
reducing
couplings, 2 x Ball Valve)
2.89 1.64 1.11 1.74
Total Primary Loop ∆P (Ft. of Hd.) @ ∆T of
40°F
11.38 27.48 20.17 17.73
@ 30°F
Water Flow (GPM) @ 30°F ∆T 24.5 30.7 46.0 61.3
Water Pressure Drop (Ft. of Hd.) @ 30°F ∆T
Flow
13 39 30 27
Strainer, Pipes, Valves and Fittings Size 1-1/2" NPT 2" NPT 2" NPT 2" NPT
Strainer ∆P (Ft. of Hd.) – (‘Y’ Strainer, 20 mesh)
0.96 0.44 1.00 1.77
∆P (Ft. of Hd.) – (20’ SCH.40, 4 x 90°, 2 x
reducing couplings, 2 x Ball Valve)
1.76 0.75 1.74 3.11
Total Primary Loop ∆P (Ft. of Hd.) @ ∆T of 30°F 15.72 40.19 32.73 31.88
@ 25°F
Water Flow (GPM) @ Min. ∆T of 25°F
29.4
36.8
55.2
73.6
Water Pressure Drop (Ft. of Hd.) at Max. Flow
19
55
41.5
38