Form: 2435
Revision: 9
Free Flex Installation and Operation Manual
Date: 9-1-2017
Bryan Steam LLC, 783 N Chili Ave, Peru IN 46970
Web:
www.
bryanboilers
.com
Phone:
765-473-6651
Fax:
765-473-3074
Email:
62
Appendix G
Water Flow Pressure Drops
Delta T’s are based on the maximum output with a nominal boiler efficiency of 95%.
FREE FLEX 1000
FREE FLEX 1500
FREE FLEX 2000
Delta T
GPM
Ft. Hd.
Delta T
GPM
Ft. Hd.
Delta T
GPM
Ft. Hd.
100F
19
0.51
100F
29
0.37
100F
38
0.65
90F
21
0.63
90F
32
0.45
90F
42
0.80
80F
24
0.79
80F
36
0.58
80F
48
1.02
70F
27
1.04
70F
41
0.75
70F
54
1.33
60F
32
1.41
60F
48
1.02
60F
63
1.81
50F
38
2.03
50F
57
1.47
50F
76
2.61
45F
42
2.51
45F
63
1.82
45F
84
3.22
40F
48
3.18
40F
71
2.30
40F
95
4.08
35F
54
4.15
35F
81
3.00
35F
109
5.32
30F
63
5.64
30F
95
4.09
30F
127
7.24
25F
76
8.13
25F
114
5.89
25F
152
10.43
20F
95
12.70
20F
143
9.20
20F
190
16.30
FREE FLEX 2500
FREE FLEX 3000
Delta T
GPM
Ft. Hd.
Delta T
GPM
Ft. Hd.
100F
48
0.80
100F
57
1.15
90F
53
0.99
90F
63
1.42
80F
59
1.25
80F
71
1.79
70F
68
1.63
70F
81
2.34
60F
79
2.22
60F
95
3.19
50F
95
3.20
50F
114
4.59
45F
106
3.95
45F
127
5.67
40F
119
5.00
40F
143
7.18
35F
136
6.53
35F
163
9.37
30F
158
8.89
30F
190
12.76
25F
190
12.80
25F
228
18.37
20F
238
20.00
20F
285
28.70