Mẫu chuẩn ống ASME-Style ERVW Piping Calibration Block PH Tool
Jointly designed by PH Tool and Holloway NDT, a set of three "Extended Range Variable Wall" Piping Calibration Blocks with Side-drilled Holes has been developed for calibrations in the axial direction for examination of circumferential butt welds. Three conveniently-sized and lightweight blocks cover a wide range of inspection sizes on the pipe schedule chart.