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Looking for a decent air pressure regulator...

Looking for a decent air pressure regulator...

Looking for a decent air pressure regulator...

(OP)
Hi all,
I am new at this job and it is more mechanical but I am a chemical engineer anyway...I have an airline and I wanna regulate this to some specimens about 10-20 psi but in the future I may need bigger load and higher presuures about 100 psi so do u know any regulator which gives an option to regulate in between all these range accurately or change the range with a switch or something if not what is the best one u think I can get? Price is important too. Please dont tell me above 100$ each...Thanks alot.

RE: Looking for a decent air pressure regulator...

what is the size of the airline and what are the cfm.
if it is just a 1/2" line running air tools try home depot or lowes for about $50. need a little more info.

RE: Looking for a decent air pressure regulator...

What is the size and schedule of the existing air supply line?
What is the available inlet pressure to that line?
How many specimens are you providing air to?
How much flow is required to each specimen?
Are these specimens on their own individual line or are they connected to a manifold.
In order to properly size the regulator you need to know the inlet pressure the set point and the flow rate.
What kind of accuracy are you looking for?
There are regulators that you can adjust the flow from a set point of 10 psig up to 100 psig but you will need to know what  the future flow requirements will be.
As far as the $100.00 max well, you get what you pay for.

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