... , Competitive Price, OEM Service; Pressure Gauge:1. Type: Liquid filled pressure gauges2. Case sizes: 1.5'', 2'', 2.5'', 3'', 4'' ... can take with back flange; Bezel material: Stainless steel bezel4. Tube and socket: Phosphor bronze and brass5. Liquid Filling: With or ... /4, 3/8, 1/2, inches BSP, NPT or BSPT7. Type: Bottom or Back( Radial or Axial)8. Scale ranges: Vacuum ...