Profile: Gauge House, LLC, The specializes in oil field equipment. Our product line includes digital test gauge, relief valves, sub-sea gauge, differential pressure gauges, diaphragm valves, and air filter regulator. Our diaphragm seals are designed for used trash or sludge in process or sanitary requirements to prevent the use of a standard pressure gauge. Our diaphragm seals consist mainly of an upper housing, lower housing, and a separating diaphragm. These components can be selected and made of different type materials for better compatibility with the end process. Our needle valves are designed for heavy duty process and industrial applications.