AMETEK U.S. Gauge is one the largest suppliers of pressure gauges, diaphragm seals, bimetallic thermometers, and thermowells in the world. The Company provides a broad line of pressure gauges ranging in size from 1½" to 6" for applications including refining, chemical manufacturing, mining, power generation, upstream oil and gas, HVAC and refrigeration, compressed gas regulators, water and wastewater, and OEM manufacturing. Materials of construction for the internals of the gauges include 316L SST, brass, or MONEL. Case materials include polished brass, PET, aluminum, 304 stainless steel, steel painted black, or ABS.