Farr Plunger BFPD Calculator

See the benefits in production of switching to Farr Plunger.
Superiorly Engineered to Combat Sand Erosion

Strokes Per Minute:
Stroke Length (inches):
Pump Diameter:
SPM - 6
SL - 10"
PD - 1.25"
EFF - 5%
BFPD: 0.55

Save this application to your phone,
for easy calculations in one step.

Tell Me How

iOS/iPhone: Using the Safari browser, click on the share icon. Then click "Add to Home Screen" which will add a shortcut icon to your device that, when clicked, will take you directly to this page.

Android: Using the chrome browser click the triple dot icon in the upper right, then choose "Add to Home Screen" from the displayed menu.

Show iOS Instructional Video