PulseGuard
PulseGuard Ltd. and Inc.
PulseGuard Ltd. offers pulsation dampers | Please phone 44(0) 161-480-9625
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Fluid Flow Control Animations
Fluid Flow Control Animations
The COST $$ of PACKED PLUNGER PUMPS
with Various PULSEGUARD Dampers

GENUINE HIGH VOLUMETRIC EFFICIENT PACKED PLUNGER PUMPS
do not make the same velocity jump shocks of a diaphragm head, but because they are so good, they are often used at high pressure where system liquid compressibility cause lost motion, and hence high pulsation levels.

GO TO General/Prices/Installation/etc. Pages Packed Plunger Pumps with Pulsation Dampers

HARDLY WORKS AT ALL DESPITE MONSTER SIZE
By oversizing by a factor of 3, this off line appendage damper installed in its volume storage accumulator mode produced smooth flow. The acceleration head pressure from flow fluctuations was removed. The pressure pulsation from cylinder decompression, and the high frequency from valve action was not addressed at all. Beware of oscillographs where the rate of data capture was set to hide pressure transients.
1 "T" piece plus 3 flanges and 3 welds & QA
Say $854
PipeGuard /Pig
All SS /316
75 in3 /75i
4,500 psi /4500p
Pig/SS/75i/4500p $2,648
3. Total $3,502
BETTER FOR ONE REASON AND LESS EXPENSIVE FOR ANOTHER
Although a third the size of the one above, works just as well simply because the pulse goes in a short straight line into it. Savings not only come from the smaller size, but also from using the second connection for RV or Gauge, instead of buying and installing an extra "T" piece in the system.
Better still the high transient pressure spikes are dampened, though the high frequency form the valve action remains.
Flexorber / Flo
Twin connect /TW
SS wetted /316
25 in3 /25i
3500 psi /3500p
Flo/TW/25i/3500p/316-TFE
2. Total $1,980
SO THE RIGHT SOLUTION WAS:-
Not to buy a "T" to put the damper out of circuit. Use the flow through feature, like a silencer / muffler, or filter, and eliminate acceleration head, and the high transient spikes and the high frequency pressure pulsation all in one; and for one fifth the cost - yes 20%, a saving of more than 3/4.
PipeHugger /PHr
SS wetted /316
Twin Connect /TW
40 in3 /40i
5,250 psi /5250p
PHr/TW/40i/5250p/316
1. Total $705

Pressure in liquid travels 300 times faster than flow,
so pressure pulsation has no time to turn from a straight line, and go up a "T"

Because flow is so slow, there is time to flow up, come to a stop, and flow back down a "T" on the other hand, whatever the residual pressure pulsation level is, it will fly straight past a "T".

Mass of liquid in a pipe is transferred at not above 180 inches/sec or say 460 cm/sec


Pressure in a fluid travels at, Mach 1 (in Air)
In harder substances (liquid) is transferred at up to 4000 MPH, or say 140,000 cm/sec.

CONCLUSION:- With 300% greater efficiency, because flow fluctuations & pressure pulsation are forced to see the inside of PULSEGUARD PULSE DAMPERS, are more compact vessels and DO MORE WORK FOR A LOWER COST
hence the saying:-

Dampers that do, flow goes through, BUT pressure pulsation is caught

DON'T FORGET! This takes you straight back to the beginning -- don't use back, back, back Explorer button.
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Packed Plunger Pumps with all dampers
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.


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