PTA overlay in cryogenic valves: inconel vs stellite to prevent leaks and unplanned shutdowns
PTA overlay in cryogenic valves is not just a material choice: it is an OPEX decision. Choosing the wrong alloy or designing the overlay poorly can lead to leaks, loss of tightness, unplanned shutdowns and customer claims. Choosing correctly means extending valve service life, reducing interventions and gaining trust as a manufacturer. In cryogenic environments …
