Brochure
52 • FIREYE PRIMELINE PRODUCTS
Electric Motors Rating
Units of Pressure
Boiler
Horsepower
Pounds Steam
Per Hour
BTU/Hour
(Output)
Megawatts
Output
20 690 660,500 .20
40 1,380 1,339,000 .39
60 2,070 2,008,500 .59
80 2,760 2,678,000 .78
100 3,450 3,347.500 .98
150 5,200 5.021,250 1.47
200 6,900 6,695,000 1.96
250 8,600 8,368,750 2.45
300 10,500 10,042,500 2.94
Approximate
Horsepower
120V 240 V
Full Load Locked Rotor Full Load Locked Rotor
1/6 ac
dc
4,4
—
26.4
—
2.2
—
13.2
—
1/4 ac
dc
5.8
3.1
34.8
31.0
2.9
1.6
17.4
16.0
1/3 ac
dc
7.2
4.1
43.2
41.0
3.6
2.0
21.6
20.0
1/2 ac
dc
9.8
5.4
58.8
54.0
4.9
2.7
29.4
27.0
3/4 ac
dc
13.8
7.6
82.8
76.0
6.9
3.8
41.4
38.0
1 ac
dc
16.0
9.5
96.0
95.0
8.0
4.7
48.0
47.0
1 1/2 ac
dc
20.0
9.5
120.0
95.0
10.0
4.7
60.0
47.0
2 ac
dc
24.0
17.0
144.0
170.0
12.0
8.5
72.0
85.0
3 ac
dc
34.0
25.0
204.0
250.0
17.0
12.2
102.0
122.0
KNOWN PRESSURE
UNIT
REQUIRED PRESSURE UNIT
Kilopasc
als
Pounds
per
Sq. Inch
Ounces
per
Sq. Inch
Millimeter
s of
Mercury
Kilograms
Sq. Inch
Inches of
Water
Inches of
Mercury
Feet of
Water
Centimeter
s of Water
Centimeters of
Water
0.0981 0.0142 0.227 0.735 0.000999 0.394 0.0289 0.0328 -
Feet of Water
2.99 0.433 6.94 22.4 0.0305 12.0 0.883 - 30.5
Inches of Mercury
0.249 0.0361 0.578 1.87 0.00254 - 0.0735 0.0833 2.54
Inches of Water
98.1 0.0361 0.578 735.0 - 394.0 29.0 32.8 1000.0
Kilograms/sq.
inch
0.133 0.0193 0.308 - 0.00136 0.535 0.0394 0.0446 1.36
Millimeters of
Mercury
0.133 0.0193 0.308 - 0.00136 0.535 0.0394 0.0446 1.36
Ounces/sq. inch
0.431 0.0625 - -8.24 0.00439 1.73 0.128 0.144 4.40
Pounds/sq. inch
6.89 - 16.0 51.7 0.0703 27.7 2.04 2.31 70.4
Kilopascals
- 0.145 2.32 7.52 0.010 4.02 0.295 0.334 10.2
Conversion Factors for Boiler Ratings
1. Boiler Horsepower
2. 33,475 BTU’s per hour (output)
3. 34.5 lbs. steam per hour (from and at 210
o
F to
100
o
C.
4. 9810.6 watt (output)
5. 1 lb. steam per hour
970 BTU’s per hour (output)
(from 212
o
F or 100
o
C)
6. 284.3 watts (output)