Watts R4X40 - Temperature Correction Factors

Temperature Correction Factors
Deg C
Deg F
Correction Factor
25
77
1.00
24
75.2
0.97
23
73.4
0.94
22
71.6
0.92
21
69.8
0.89
20
68
0.86
19
66.2
0.84
18
64.4
0.81
17
62.6
0.79
16
60.8
0.77
15
59
0.74
14
57.2
0.72
13
55.4
0.70
12
53.6
0.68
11
51.8
0.66
10
50
0.64
9
48.2
0.62
8
46.4
0.61
7
44.6
0.59
6
42.8
0.57
5
41
0.55
Multiply the nominal product flow at 25° C by the temperature correction factor to determine the
flow at various other temperatures.