Armstrong WS Series Tube Bundles
4" Diameter WS Capacity Table

Model GPM Heated in Tubes

4 6 8 10 15 17 20 25

WS-42-2 26 24 22 18 16 12 10
1.4

WS-43-2 44 40 36 30 26 22
1.2 20
1.8

WS-44-2 62 56 50 42 38
1.2 34
1.5 30
2.3

WS-45-2 80 74 66 56
1.2 50
1.5 42
1.9 38
2.8

WS-46-2 98 90 80 68
1.4 62
1.7 52
2.1 48
3.3

WS-47-2 116 106 96 80
1.6 74
2 62
2.5 56
3.7

Avg. Tube
Vel. Ft/Sec 1.6 1.9 2.4 3.6 4.1 4.8 6

WS-42-4 56 42 36 30
1.9 22
3.1

WS-43-4 88 72 62 54
2.5 42
4.7

WS-44-4 120 102 88 80
3.2 58
5.9

WS-45-4 156 130 112 100
3.8 74
6.9

WS-46-4 184 154 134 120
4.5 90
8.1

WS-47-4 184 158 140
5.1 106
9.2

Avg. Tube
Vel. Ft/Sec 1.9 2.9 3.8 4.8 6.6

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