... of steam, air, oil, water and other pressure media, which have no effect on bronze and brass Type :KP010 (Liquid Filled all stainless steel pressure ... .Dial size:1.5", 2", 2.5", 4", 6"Pressure range:-30" Hg-0-15,000PSISocket:316SS bottom and back ... NPT , BSP, BSPT and other special specificationBourdon tube:316 stainless steelCase:304 stainless steelBezel:304 SS bayonet ring or crimped ringWindow (lens ...