Pressure Gauge Crimped Ring with Front Flange Dia.2.5 4 Dia. 6 Range Normal 0.... 0.6 Bar to 0.....1000 bar Vaccum 76cmHg .... 0 Compound 76cmhg...0...35 bar Scale Bar psi Kg cm2 Kpa Mpa Center Back Connection Body Stainless Steel Connection Back Centre Brass 1 2 NPT 3 8 Glycerin filled or dried with filling hole