PRESSURE INDICATOR PHENOL CASE, 4 1⁄2” DIAMETER DIAL, WHITE WITH BLACK CHARACTERS, FILLED WITH LIQUID, ACCURACY +/- 0.5% OF SPAN, THE PRESSURE ELEMENT MUST BE CAPABLE OF WITHSTANDING AN OVERRANGE OF 1.3 TIMES THE RANGE OF THE SCALE WOULD NOT BE DISCALIBRATED OR DAMAGED, MUST HAVE AN ANTI-PULSATIVE AND ANTI-VIBRATION SYSTEM WITH RESTRICTING SCREW, GLYCERIN FILLED, SHATTERPROOF GLASS LENS, SAFETY DISC, SOLID FRONT, THREADED RING, AC MOVEMENT. STAINLESS STEEL, 1⁄2” NPT LOWER CONNECTION, DUAL SCALE (KG/CM2/PSIG), WHITE BACKGROUND, BLACK CHARACTERS, PEDESTAL MOUNTING, BOURDON TUBE AND 316 STAINLESS STEEL PROCESS CONNECTION. STAINLESS STEEL. 316 INSTRUMENT SIDE, DIAPHRAGM AND LOWER FLANGE OF HASTELLOY-C PROCESS SIDE. CALIBRATION CERTIFICATE BY ENTITY ENDORSED BY EMA, MUST COMPLY WITH NACE CODE MR0175-2015/ISO 15156, PEMEX-EST-IN-164-2020 AND NOM- 013-SCFI-2004. MAXIMUM TEMPERATURE 120°C, RANGE: 0-800 KG/CM2