21
MODEL
PIPE SIZE
MIN. GPM
MAX. GPM*
206/207
1-1/4”–1-1/2” - 2”
20
125
266/267
1-1/4”–1-1/2” - 2”
25
125
336/337
1-1/4”–1-1/2” - 2”
35
125
406/407
1-1/4”–1-1/2” - 2”
40
125
*When flow rates exceed maximum GPM an external auxil-
iary bypass valve is required. See external bypass valve
section for details.
POLYMER HEADERS
CAST IRON HEADERS (ASME)
FLOW RATES
HEAT EXCHANGER PRESSURE DROP TABLES
POLYMER HEADER (STANDARD MODELS)
PLASTIC INTERNAL BAFFLE
(Manufactured after 11/08)
FLOW
GPM
PRESSURE DROP (FT OF HEAD)
206/207
266/267
336/337
406/407
20
4.0
25
4.0
4.6
30
4.0
5.2
35
4.0
5.8
5.2
40
4.6
5.8
5.2
5.2
50
4.6
6.3
6.9
6.9
60
4.6
6.9
6.9
6.9
70
4.6
8.1
9.2
9.2
80
4.6
9.2
9.8
9.8
90
6.9
10.4
10.4
10.4
100
8.1
11.0
12.1
12.1
110
10.4
11.5
13.3
13.3
120
11.0
12.7
17.9
17.9
125
11.5
13.8
20.2
20.2
CAST IRON HEADER (ASME MODELS)
FLOW
GPM
PRESSURE DROP (FT OF HEAD)
206/207
266/267
336/337
406/407
20
1.8
30
2.2
8.0
40
2.5
9.0
9.0
9.0
50
2.7
9.8
9.8
9.8
60
3.3
10.5
10.5
10.5
70
4.3
11.0
11.0
11.0
80
5.5
11.5
11.5
11.5
90
6.8
14.0
14.0
14.0
100
8.2
17.0
17.0
17.0
Содержание 206A
Страница 28: ...28 WIRING DIAGRAM MILLIVOLT MECHANICAL THERMOSTAT ...
Страница 29: ...29 WIRING DIAGRAM DIGITAL MODELS ATMOSPHERIC ...
Страница 53: ...53 LO NOx HEATERS ...
Страница 60: ......
