Valve PMI Testing: Positive Material Identification for Industrial Valves
Valve PMI testing verifies alloy composition on actual valve components and helps detect material mix-ups before shipment. This guide explains when PMI is required, which parts to test, how XRF, OES and LIBS differ, what the report should contain and what PMI cannot prove.
EN 10204 3.1 vs 3.2 for Industrial Valves: MTC Requirements and Buyer Checks
Compare EN 10204 Type 3.1 and 3.2 inspection certificates for industrial valves. Learn what each document verifies, who validates it, how heat-number traceability works, and what buyers should specify before ordering.