... Quality, Competitive Price, OEM Service; Pressure Gauge:1. Type: Liquid filled pressure gauges2. Case sizes: 1.5'', ... . Case Material: 304 stainless steel case, it can take with back flange; Bezel material: Stainless steel bezel4. Tube and socket: Phosphor ... , 1/2, inches BSP, NPT or BSPT7. Type: Bottom or Back( Radial or Axial)8. Scale ranges: Vacuum and compound -1 ...