I/P transducers are electro-pneumatic devices that, with a 4-20mA input signal (I) and a high-pressure air supply, provide precisely regulated air pressure output (P). With available output ranges up to 120 psig, NITRA I/P transducers offer reliable, repeatable operation of pneumatic valve positioners/actuators, cylinders, web tensioners, clutches and brakes.
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Would you buy this item again? Yes
This product does not have the ability to go to no air psi at all. But if not necessary it is good choice for air psi control. You can get units with a sapphire ball that will go down to zero pressure, but must be oriented only one way and are sensitive to vibration "not cheap". If you need more air flow you can get and air control regulator and feed it with one of these. I am using 5 of these on a web tension control for over a year now with no troubles at all. It has to adjust just the pressure ever sec because of the way our machine pull the paper in. good product.