Level Gauges
Level guages consists of metallic box with heavy duty glass tubes and 1/2″ threaded end connections. A ¾ inch by ½ inch angle valve is used for the connection between the gauge glass assembly and the vessel. Generally a ¾ inch block valve is required between the angle valve and the vessel; the vessel connection is threaded or flanged. If reflective glass is specified, it can only be viewed from one side.