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Horsepower Calculator
The following calculation method uses the Gas Processors Suppliers Association Engineering Data Book Eleventh Edition, FPS Version, 1998, eq 13-4 developed for large slow speed (300-450 RPM) compressors with SG = 0.65 and having CR > 2.50. Discharge temperature based on eq 13-18 assuming 130 Deg F inlet and k of 1.3
Brake Horsepower = 22 * (ratio/stage) * (Number of Stages) * ( MMSCFD) * (F) where F = 1.0 for a single stage, 1.08 for a two-stage and 1.1 for a three-stage.
Pressure Ratios : | 0 |
Number of Compression Stages : | 0 |
Pressure Ratios per Stage : | 0 |
Estimate Discharge Temp (Deg F) : | 0 |
Compressor Horsepower Estimation : | 0 |
Auxillary Horsepower Estimation : | 0 |
Total Horsepower Estimation : | 0 |
Quick Horsepower & Pressure Chart
The following chart is an approximation tool used to estimate the horsepower requirement and configuration of a compressor (brake horsepower per million cu. ft.).
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Discharge Pressure (PSIG) | ||||||||||||||||
25 | 50 | 75 | 100 | 150 | 200 | 250 | 300 | 400 | 500 | 600 | 700 | 800 | 900 | 1000 | |||
0 | 65 | 99 | 128 | 144 | 168 | 187 | 203 | 218 | 233 | 248 | 260 | 272 | 282 | 291 | 299* | ![]() |
|
10 | 35 | 63 | 85 | 104 | 131 | 149 | 163 | 175 | 196 | 214 | 231 | 235 | 242 | 250 | 257 | ||
20 | 43 | 62 | 78 | 106 | 126 | 139 | 151 | 170 | 186 | 199 | 212 | 225 | 228 | 232 | |||
30 | 29 | 47 | 62 | 85 | 107 | 123 | 133 | 152 | 167 | 179 | 191 | 201 | 211 | 221 | |||
40 | 36 | 50 | 72 | 90 | 107 | 121 | 138 | 152 | 164 | 175 | 185 | 194 | 202 | ![]() |
|||
50 | 26 | 41 | 61 | 78 | 93 | 106 | 127 | 141 | 153 | 163 | 173 | 181 | 189 | ||||
60 | 32 | 53 | 69 | 83 | 95 | 118 | 131 | 143 | 153 | 162 | 170 | 178 | |||||
70 | 25 | 46 | 61 | 74 | 86 | 109 | 123 | 135 | 145 | 153 | 161 | 169 | |||||
80 | 40 | 54 | 67 | 78 | 98 | 117 | 127 | 137 | 146 | 153 | 161 | ||||||
90 | 34 | 49 | 61 | 72 | 91 | 109 | 121 | 131 | 139 | 147 | 154 | ||||||
100 | 28 | 44 | 55 | 66 | 84 | 100 | 116 | 125 | 133 | 141 | 148 | ||||||
150 | 22 | 35 | 45 | 60 | 74 | 86 | 98 | 110 | 118 | 124 | |||||||
200 | 30 | 45 | 58 | 68 | 78 | 88 | 96 | 105 | |||||||||
250 | 33 | 46 | 56 | 65 | 73 | 81 | 88 | ![]() |
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300 | 23 | 36 | 46 | 54 | 62 | 69 | 76 | ||||||||||
350 | 27 | 38 | 46 | 53 | 60 | 67 | |||||||||||
400 | 30 | 39 | 46 | 53 | 60 | ||||||||||||
500 | 26 | 34 | 41 | 46 | |||||||||||||
600 | 23 | 30 | 37 |
For example: it will require 299 horsepower of compression distributed among 3 stages to move from a suction pressure of “0” to a discharge pressure of “1000” for every 1000 MCFD.
For a flow of 500 MCFD, 50% (500 MCFD/ 1000 MCFD) of the horsepower is required.
Ironline Compression
The leading provider of gas compression solutions and mechanical service to the Canadian energy industry.
Ironline wants to be your competitive advantage in the Canadian natural gas compression industry. Ironline has compression solutions to support your business. With a commitment to doing it right the first time, our services can be aligned to meet the individual requirements of your business, no matter how complex or challenging. Looking to the future, we see Ironline as a well positioned company in Canada. Our capabilities are built upon the strength of our people’s experience and expertise; supported by world-class OEM products; and the availability of a large gas compression fleet for your business needs. Our vision is to provide you with unmatched customer service. Driven by our core values to earn your trust; who we are, what we value, and how we do things, sets us apart.
MISSION STATEMENT
IRONLINE COMPRESSION IS THE LEADING INDEPENDENT PROVIDER OF
GAS COMPRESSION SOLUTIONS TO THE CANADIAN ENERGY INDUSTRY.
OPERATING PRINCIPLES
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