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HOSE PUMPS

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 PumpGuard - PuG GO TO Click on the picture or below for complimentary Dampers: PUMPGUARD Pug Large Diameter, Elastomer Damper Need a Hand? Take this Step by Step Process to help you choose your perfect fitting damper Start Here

The Systems Response:

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.

F = 0.4

The F figure assumes that the size of the shoe or wheel is approx. one third of the volume between shoes or wheels. A hose pump squeches out 150 liters of effluent sludge per minute, with 3 shoes revolving 15 times per minute. 150 liter / 3 shoes x 15 revs = 3.33 liters between shoes

@ 0.75 Hz.

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

PulseGuard call Toll Free 1-888-DAMPERS (326-7377) or CONTACT US

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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.