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Today we are here to demonstrate
Equilibar's LPR2. The LPR2 is an
ultra low, precision pressure reducing regulator.
This pressure regulator can control pressures down below 1 p.s.i.
to about a quarter inch of water column.
The unit is made for inert gas and compressed air.
Here we have the LPR2 connected to our
inert gas supply and the downstream pressure is connected to
a pressure gauge, digital manometer,
and a u-tube manometer. Now I have
the units set at about a half a inch of water column
controlling downstream and just to show some of the
performance of the unit, we will increase the pressure.
So, I will slowly increase the pressure here.
You can watch the U-tube manometer increase.
Here I've
nominally set it to about 3.6
inches of water column. For the next demonstration
I will show the responsiveness and sensitivity of the unit,
by fluctuating the pressure up and down. I will just quickly
decrease the pressure downstream.
You can see the pressure dropping in the U-Tube and
digital gauge. Now, I will increase it back up.
As you can see the unit is
very sensitive and has very high precision.
The LPR2 is made for a low to static flow rates with a maximum flow
capacity of about five SCFH.
The unit comes available with
many different pressure ranges, down to a quarter-inch
and up to 28 inches of water column.
In addition, there is both a NB and a B unit.
The B unit is made for compressed
air and has higher stability
and sensitivity than the NB.
The NB would be preferred for inert gas
applications where the customer may not want to consume as much gas.
The LPR2 can be coupled with Equilibar's patented back pressure technology.
There are several advantages to using the two devices together.
This allows the user to control back pressure
with process fluids that might be
high temperatures, aggressive chemistries or high flows,
where the LPR2 would not be able to handle the process fluid.
Here in this demonstration, we have the LPR2
piloting an Equilibar Back Pressure Regulator. As you can see,
we are measuring the output pressure of the
LPR2 and the inlet pressure of the Equilibar back pressure regulator.
Here the pressure is set nominally at 1.5 inches of water column.
Just to demonstrate we're going to increase the pilot pressure
which should increase the backpressure held by the Equilibar regulator.
As you can see, the LPR2
allows the user to control the back pressure in the inches of water column.
For more information on this product or any other equal a bar products please contact Equilibar at www.equilibar.com