... media, which have no effect on bronze and brass Application:For measurement of steam, air, oil, ... 8", 10",Pressure range:-30" Hg-0-10,000PSISocket:Brass bottom and back connection ,side connectionConnection thread:NPT , ... BSP, BSPT and other special specificationBourdon tube:Brass or phosphor bronze tubeCase:chrome plated steel or Black ... GENERAL PRESSURE GAUGE with carton steel and brass material