BOLTEX 8" 150 BLIND FLANGE WITH 316 STAINLESS STEEL RAISED FACE B16 SA105 X071 1015. 8" 150: THE SIZE AND PRESSURE RATING (8-INCH NOMINAL PIPE SIZE

BOLTEX 8" 150 BLIND FLANGE WITH 316 STAINLESS STEEL RAISED FACE B16 SA105 X071 1015. 8" 150: THE SIZE AND PRESSURE RATING (8-INCH NOMINAL PIPE SIZE CLASS 150). BLIND FLANGE: THE TYPE OF FLANGE (A SOLID DISC USED TO SEAL OFF THE END OF A PIPING SYSTEM OR PRESSURE VESSEL OPENING). WITH 316 STAINLESS STEEL RAISED FACE: THIS INDICATES A SPECIALIZED OR HYBRID CONFIGURATION. WHILE THE BODY IS CARBON STEEL THE SEALING FACE (RAISED FACE) IS CLAD OVERLAID OR PAIRED WITH 316 STAINLESS STEEL FOR SUPERIOR LOCALIZED CORROSION RESISTANCE. B16: REFERS TO THE ASME B16.5 DIMENSIONAL STANDARD FOR PIPE FLANGES AND FLANGED FITTINGS A105: THE MATERIAL SPECIFICATION FOR THE MAIN BODY (ASTM/ASME A105 / SA105 FORGED CARBON STEEL FOR AMBIENT AND HIGHER-TEMPERATURE SERVICE). X071 1015: THESE ARE MANUFACTURING TRACE CODES WHICH TYPICALLY INCLUDE THE MATERIAL HEAT NUMBER AND PRODUCTION BATCH IDENTIFIERS FOR QUALITY CONTROL AND MATERIAL TEST REPORTS (MTRS).