|
4-A
Boiler Model
Boiler Model/Size |
4A-25 |
4A-35 |
4A-45 |
4A-55 |
4A-65 |
4A-75 |
| Gross Output |
Horsepower |
H.P. |
25 |
35 |
45 |
55 |
65 |
75 |
| Steam Radiation |
SQ.FT. |
3500 |
4900 |
6300 |
7700 |
9100 |
10500 |
| Steam Thermal |
MBH |
837 |
1171 |
1506 |
1841 |
2176 |
2511 |
| Steam per hr. 212ºF |
LB/HR |
862.5 |
1207.5 |
1552.5 |
1897.5 |
2242.5 |
2587.5 |
| Net Rating |
Steam Radiation |
SQ.FT. |
2615 |
3673 |
4794 |
5938 |
7040 |
8122 |
| Steam Thermal |
MBH |
650 |
910 |
1170 |
1430 |
1690 |
1949 |
| Firing Rate |
Light Oil |
GPH |
7.5 |
10.5 |
13.5 |
16.5 |
19.5 |
22.5 |
| Heavy Oil |
GPH |
7.0 |
9.9 |
12.7 |
15.4 |
18.2 |
20.9 |
| Gas |
MBH |
1116 |
1562 |
2008 |
2454 |
2901 |
3347 |
| Heating
Surface (Fireside) Furnace Volume |
SQ.FT. |
100 |
150 |
200 |
250 |
300 |
350 |
CU.FT. |
15.81 |
20.72 |
26.64 |
32.01 |
37.44 |
42.87 |
Boiler Model/Size |
4A-25 |
4A-35 |
4A-45 |
4A-55 |
4A-65 |
4A-75 |
A |
Overall Length |
FT.-IN. |
6-1 3/8 |
7-8 1/8 |
9-6 3/4 |
11-3 1/4 |
13-0 |
14-8 3/4 |
B |
Overall Width |
IN. |
53 1/8 |
53 1/8 |
53 1/8 |
53 1/8 |
53 1/8 |
53 1/8 |
C |
Overall Height |
IN. |
63 1/8 |
63 1/8 |
63 1/8 |
63 1/8 |
63 1/8 |
63 1/8 |
D |
Shell Length |
FT.-IN. |
3-11 3/8 |
5-6 1/8 |
7-4 3/4 |
9-1 1/4 |
10-10 |
12-6 3/4 |
E |
Furnace Diameter |
IN. |
24 1/2 |
24 1/2 |
24 1/2 |
24 1/2 |
24 1/2 |
24 1/2 |
F |
Furnace Length |
IN. |
40 3/8 |
59 1/8 |
81 3/4 |
102 1/4 |
123 |
143 3/4 |
G |
Normal Water Line |
IN. |
52 3/4 |
52 3/4 |
52 3/4 |
52 3/4 |
52 3/4 |
52 3/4 |
H |
Height-C.L. of Furnace |
IN. |
27 5/8 |
27 5/8 |
27 5/8 |
27 5/8 |
27 5/8 |
27 5/8 |
J |
Depth-Reversing Chamber |
IN. |
8 |
8 |
8 |
8 |
8 |
8 |
K |
Depth-Smoke Hood |
IN. |
17 |
17 |
17 |
17 |
17 |
17 |
L |
Vent Outlet Dia. |
IN. |
10 |
10 |
12 |
12 |
14 |
14 |
M |
Top-Front Rev. Chamber |
IN. |
50 1/8 |
50 1/8 |
50 1/8 |
50 1/8 |
50 1/8 |
50 1/8 |
P |
Bottom-Front Rev. Chamber |
IN. |
26 1/8 |
26 1/8 |
26 1/8 |
26 1/8 |
26 1/8 |
26 1/8 |
Q |
Top-Smoke Hood |
IN. |
59 3/8 |
59 3/8 |
59 3/8 |
59 3/8 |
59 3/8 |
59 3/8 |
R |
Bottom-Smoke Hood |
IN. |
42 5/8 |
42 5/8 |
42 5/8 |
42 5/8 |
42 5/8 |
42 5/8 |
S |
Saddle Width |
IN. |
7 |
7 |
7 |
7 |
7 |
7 |
T |
Saddle Length |
IN. |
36 |
36 |
36 |
36 |
36 |
36 |
V |
C.L. Front Saddle |
IN. |
12 |
12 |
12 |
12 |
12 |
12 |
W |
C.L. Rear Saddle |
IN. |
22 |
41 |
63 |
84 |
105 |
125 |
| |
Steam Outlet Size |
IN. |
6 |
6 |
6 |
6 |
6 |
6 |
| |
Return Size |
IN. |
3 |
3 |
3 |
3 |
3 |
3 |
Boiler Model/Size |
4A-25 |
4A-35 |
4A-45 |
4A-55 |
4A-65 |
4A-75 |
| |
Dry Weight (Approx.) |
LBS. |
3,164 |
3,350 |
4,821 |
5,490 |
6,162 |
6,819 |
| |
Operating Weight (Approx.) |
LBS. |
4,764 |
5,670 |
8,021 |
9,490 |
10,962 |
12,419 |
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