The standard provides logic to separate these two effects so that operators don’t wash a compressor that actually needs a blade replacement.

is a primary industrial supplement published by the American Society of Mechanical Engineers (ASME) that outlines standard practices for accurate pressure measurement . Formally titled Pressure Measurement Instruments and Apparatus Supplement , this code acts as a universal reference for engineers executing formal Performance Test Codes (PTCs) across industries like power generation, aerospace, and chemical processing .