Installation Location of the Pressure Transmitters in a Piping System?

Measuring pressure is generally easy unless you after mm H2O levels of pressure.

Typically the pressure transmitter connection is on the top of pipe. Provide a 3/4-inch or so connection with a block valve.

The pressure transmitter should be above the tap in pressure, especially if the lfuid is condensible. (If the pressure is fairly high, perhaps about 500 psig, then the potential head impact for a measurement a few feet below the tap is not such an issue.)

If you are measuring steam it would be different. Steam may exceed the rating of the pressure transmitter. Typically, come off the side or lower connection or if from the top add a siphon accessory to trap condensate thus isolate the high temperature from the pressure transmitter.

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