A Bourdon tube pressure gauge has an elastic tube that's soldered or welded toward one particular side right into a socket. An adjustment of pressure results in a deflection inside the tube; This really is proportional towards the applied pressure and is shipped to some rotary equipment having a pointer. https://troyqhthu.ampedpages.com/the-fact-about-bourdon-tube-industrial-stainless-steel-gauge-that-no-one-is-suggesting-58394620