PulseGuard Ltd. and Inc.
PulseGuard Ltd. offers pulsation dampers | Please phone 44(0) 161-480-9625
We have people not voicemail | Call toll free UK 08080-567-7423
Fluid Flow Control Animations
Fluid Flow Control Animations

A.O.D.D. PUMPS with PipeGuard PLAS - PiG-PLAS
Application Story

For Plastic & A.O.D.D. PUMP systems
PipeGuard/PLAS & Air Operated Double ended Diaphragm pumps

Below 40psi (Approx.. 3BarG) the pressure used to drive a liquid of more than 50 cP into, to a halt, then back out again from a "T" piece, leave pulsation in the system. If you want smooth flow below 40 psi, or to be able to flush your system, then always use a FLOW-THORUGH two connection pulsation damper.

PDF of this page


An A.O.D.D. could not suck water treatment chemicals from the 10ft high (3 meters) plastic drum stillage because it was 70ft (30 meters) away.
TECH. Notes: It is not necessary to read the areas shaded in this color. The good thing about an A.O.D.D. is that it jumps straight up to a constant flow rate after each stroke reversal, giving you a pretty smooth discharge flow (if the air line is large enough). The down side is: that it is difficult to fill instantaneously on the suction side.

Click on dampers or pump for associated pages
PipeGuard Plas detailed schematic with a fequency chart and optional dampers

Photo of a A.O.D.D. with two PiG Plases
Click on dampers or pump for associated pages

If you do not need in-place flush-through, and wish to provide "T" pieces, use the extra connection for relief valve, system drain, or a gauge.

PIPEGUARD a Below was fitted to the pump inlet. Loss of suction power was avoided by eliminating flow reversal within - out twice connection continuous flow configuration, standard choice of damper type PiG-Plas/TW

The A.O.D.D.
1. Can now fill - and pump.
2. Pumps at twice the rate through possible.
3. Pipe shake and breakage has ceased.
A PIPEGUARD PLAS from PVC was installed item b on the pump outlet, and the chemicals can now be pushed also to a mixing tank 320 ft (say 100 Meters) away.
Many different chemicals are handled buy the one system because the inlet - outlet twin hole through flow, enables flushing.

For the same benefits, plus the SAFETY of a METAL OUTER SHELL, please go to

Return to the top
Return to More Pumps to more pumps

Return to the beginning of PulseGuard, pulsation dampeners

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.
PulseGuard Pulsation DampersThe Smooth Flow People

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

Fluid Flow Control Fluid-Flow-Control.com The Fluid Flow Control Source Pumps Accumulators Filters Dampers Heat Exchangers Valves Mixers P.I. / Pressure Indicators Controls Meters Vessels