ASME B31.3 vs ASME B31.1: Are CRN Registration Requirements the Same?

Cammar Corp was recently asked, “If a fitting has a CRN registration with ASME B31.3 as the code of construction, it’s likely ok to use it as a ASME B31.1 design, and vice versa, right?” The short answer is a qualified “no”. CRN requirements differ for each code. Now for the long answer, with our […]