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LOST MOTION PUMP

Make a note of this pump's F number, also known as its Flow Fluctuation Figure. Use the F number with the % residual fluctuation required figure from the smoothness shown for each type of application. These two figures, the F figure and the % figure, applied to the size selection formula give you the smallest practicable damper size.
See below for figures

OPTIONS: Go Here to Calculate your VOLUMETRIC & FREQUENCY NEEDS GO HERE APPLICATION STORY to complimenting Flexorber LP SoG GO HERE APPLICATION STORY of diaphragm pumps with complimenting Flexorber HP & LP GO HERE Click on the picture or below for complimentary Dampers: FLEXORBER LP Low Pressure "Flexflon" Damper Need a Hand? Take this Step by Step Process to help you choose your perfect fitting damper Start Here

LP Dosing F = 0.7

Find the "F" Valve of Your Pump - "F" is a correction Factor on the square of number of displacers. Example, Centrifugals are intrinsically good - have a high F, Sandwich diaphragm metering pumps have a low F.

Find your % residual fluctuation required figure
from the smoothness shown for each type of application. GO TO

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Selecting Pulsation Dampeners for Different Pump Systems.
Flow through pulsation dampers are at least 3 times more efficient than T off line accumulators.
Dampeners that do, flow goes through, but pressure pulsation does not.
The Smooth Flow People

Call Toll Free 1-888-DAMPERS (326-7377) / See also: Pulsation-Dampeners.com for a pulsation dampener.