Available in ranges from full vacuum, compound to 10,000 psi, Series PPMG 4.5 in. process gauges possess psi scales with 0.5% FS ANSI B40.1 Grade 2A accuracy. Aluminum front-flange safety case has solid front with pressure relief rear opening; front screw on flange enables panel installation and access to adjustable needle pointer. Gauges include Type 316 SS socket and Bourdon tube for chemical compatibility.