Procedures for dealing with fluids that exist as both liquid and gas simultaneously.
: Such as Bourdon tubes or diaphragm gauges. asme ptc 192
While a primary equipment code (like PTC 22 for Gas Turbines ) tells you what to measure, PTC 19.2 provides the expert guidance on how to measure pressure accurately enough to meet the rigorous requirements of those codes. Scope and Purpose Procedures for dealing with fluids that exist as