J-W Power Company

Corporate Headquarters

15505 Wright Brothers Drive

Addison, TX 75001

972-233-8191

info@jwenergy.com

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Copyright © 2018  J-W Power Company

J-W POWER COMPANY

The Power to Perform

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.

Quick Chart
(Numbers based on per MMSCFD)