Fluid Power Journal

Problem: How Many SCFM?

airIf the available pressure is 100 psig, how many SCFM would be saved by using an air regulator as shown in the circuit? Also what is the cost savings per year running 24/7 based on $.40 / 1000 SCF?

Assume no hose volume.


2″ x 10″ x 1″ cylinder

15 Cycles per minute

1 Sec. dwell when retracted

Regulator set at 20 PSI

Think you know the answer? Submit it at http://ifps.org/docs/education_training/fluid_power_math_teaser/answer.aspx

By Ernie Parker, AI, AJPP, AJPPCC, S, MT, MM, MIH, MIP, MMH, Fluid Power Instructor, Hennepin Technical College, EParker@Hennepintech.edu

This teaser is printed in the Fluid Power Journal. Those who submit the correct answer before the deadline will have their names printed in the Society Page newsletter and in Fluid Power Journal. The winners will also be entered into a drawing for a special gift.

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