What is the purpose of the small coil surrounding the gauge, such as on a pressure gauge?

2018-03-26View Original

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What is the purpose of the small coil surrounding the gauge, such as on a pressure gauge?

Reply #22018-03-26

This is a buffer tube, which serves to reduce vibrations and shocks

Reply #32018-03-26

The pressure gauge buffer tube is a component used to connect the pressure gauge to the device or pipeline that is being measured; it serves to cushion the sudden impacts of the medium under measurement on the pressure gauge’s spring tube, and it also helps to reduce the temperature of the medium being measured. It is a device designed to protect the pressure gauge

Reply #42018-03-27

There are no images, so I don’t know what kind of tube you’re referring to; it could possibly be a heat trace.

Reply #52018-03-27

Pressure gauge elbows are available with or without such features; they are particularly necessary in pipelines where there is pulsating flow

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