Liquid Dynamics
Pulsation Analysis, Diagnostics, Prediction by Software
Pipeline and Pump user Problem -

Pulsation Analysis, Diagnostics, Prediction by Software

LIQUID DYNAMICS Ltd. offer Pulsation / Vibraton and Shock - Analysis & Diagnostics + Software Models
Please call toll free USA 1-888-326-7377 WE HAVE PEOPLE - Not voice mail. --44-161-480-9625 UK
Fluid Flow Control animations by Liquid Dynamics.

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6 examples
Gear & Packed
Plunger Systems

Dosing, Air Op. &
"Metering" Systems
Plunger & Valve
Multi Plunger &
Centrifugal Systems



LDi Catalog Printable PDF18

Triplex reciprocating plunger pump - analysis of motion, valve action mass oscillation, velocity jump, membrane response, and all and all.

To understand the normal pulsation signature, of the triplex test shown here;
it is necessary to examine the plunger and valve motions, that cause the mass
transfer veloctities, before study of pressure response plot A. & discharge plot B.

(note below in graph says) Bar 1 NOTE:- Log scale change - otherwise shock amplitude would take the entire page.

From report by Yuri V. Gerasimov, Technical Director Liquid Dynamics Inc. March 1994. Subject German pumps for Exxon. Cause the effect review M. Packer.
Phone USA 910.270.2737
PO Box 506 Hampstead, NC 28443 USA
UK (for EC) --44(0)161-480-9625
PO Box 47, Stockport, UK SK3-OLH


Liquid Dynamics International provides pipeline and pump user problem analysis, diagnostics, prediction by software, pulsation analysis, piping system analysis, and piping system simulation. For water hammer and shock solutions pulsation dampening and shock alleviating devices can be obtained from our associate websites:

PulseGuard Inc., and Ltd. for further information about pulsation dampeners / pulsation dampers. - Pulsation Dampener - Pulsation Dampeners - Pulsation Dampers
PulseGuard für Deutschland - Pulsationsdämpfer and to find large gas bag vessels, jumbo bladders, float separator / big bellows type pipeline shock attenuators and expansion / contraction volume compensators, surge alleviators, and shock alleviators. - Surge Alleviators - Shock Alleviators and for information about energy saving in pumping systems, standby emergency power, safety shutdown systems, hydraulic accumulators, and hydropneumatic accumulators. - Hydraulic Accumulators - Hydropneumatic Accumulators to find protection against excess flow. Guard against toxic spills when pipes burst, guard against gushers and fluid loss when hoses split, Flow-Guard guards against excess flow floods with flow fuses and breather bags
Flow-Guard - Flow Fuses and Breather Bags

Liquid Dynamics