RBI SERIES 8800 - Common Vent Systems

SERIES 8800 & 8900 INSTALLATION AND OPERATING INSTRUCTIONS Page 9
Figure 3
Multiple
Boiler
Piping
420
530
630
735
840
950
1050
1160
1260
1370
1470
1580
1685
1790
1900
2000
2400
2800
3200
3600
4000
Table 5 - Temperature Rise Table
*Flow exceeds recommended maximum rate, use a greater temperature rise or consult factory for applications in
this range
34.0
42.9
51.0
59.5
68.0
77.0
85.1
94.0
102.1*
111.0*
119.1*
128.0*
—
—
—
164.0
196.8
229.6*
262.4*
—
—
2.1
2.7
3.2
3.8
4.3
4.9
5.4
5.9
6.4
7.0
7.5
8.1
—
—
—
10.3
12.4
14.5
16.6
—
—
0.6
1.0
1.6
2.5
3.4
4.5
6.1
7.7
9.5
11.7
14.2
17.1
—
—
—
5.9
9.5
14.2
20.0
—
—
1.8
3.0
4.7
7.4
10.1
13.5
18.2
22.9
28.3
35.0
42.4
51.1
—
—
—
17.5
28.3
42.4
59.9
—
—
—
34.3
40.8
47.6
54.4
61.6
68.1
75.2
81.7
88.8
95.2
102.4*
109.2*
116.0*
123.1*
131.2
157.4
183.6
209.9*
236.1*
—
—
2.2
2.6
3.0
3.4
3.9
4.3
4.7
5.2
5.6
6.0
6.5
6.9
7.3
7.9
8.3
9.9
11.6
13.2
14.9
—
—
0.6
1.0
1.6
2.2
2.9
3.9
4.9
6.0
7.5
9.1
10.9
13.0
15.3
16.3
3.7
6.0
9.1
12.8
17.6
—
—
1.9
3.0
4.7
6.5
8.6
11.6
14.6
18.1
22.4
27.1
32.7
38.8
45.6
48.7
11.2
18.1
27.1
38.3
52.5
—
—
—
34.0
39.0
45.3
51.3
56.7
62.7
68.1
74.0
79.4
85.3
91.0
96.6
102.6*
109.3
131.2
153.1
174.9
196.8
218.6*
—
—
2.1
2.5
2.9
3.2
3.6
4.0
4.3
4.7
5.0
5.4
5.7
6.1
6.5
6.9
8.3
9.7
11.0
12.4
13.8
—
—
0.7
1.1
1.5
2.0
2.7
3.4
4.2
5.2
6.3
7.6
9.0
10.6
11.3
2.6
4.2
6.3
8.9
12.2
15.1
—
—
2.1
2.2
4.5
6.0
8.1
10.2
12.6
15.6
18.9
22.8
30.6
32.4
33.9
7.8
12.6
18.8
26.5
36.5
45.1
Model
20°F
GPM l/s P Ft KPa
25°F 30°F
GPM l/s P Ft KPa GPM l/s P Ft
KPa
Heat Exchanger Head Loss & Temperature Rise