WebNov 1, 2016 · The boiler drum gage glass is rarely within the individual’s line of sight. To address this situation, the code allows the use of remote gages, but it requires two independent level indicators ... Web1. Turn The Boiler’s Pressure All The Way Off. Make sure the boiler is completely depressurized before you begin the process of removing the current sight glass. 2. Turn Off The Water Valves Leading To The Sight Glass. Turn the water valves at the top and bottom of the glass tube in a clockwise direction to turn them off.
Gauges and Boiler Water Level Indicators and Aftermarket Parts
WebSteps in Replacing the Boiler Sight Glass Turn off the boiler and let it cool down completely Remove pressure from the boiler Drain the boiler at least to a level below the bottom fitting of the sight glass assembly … WebMar 2, 2024 · A sight glass is simply a length of glass tubing that is connected to a pipe coming out of the boiler. When installed correctly, the level of water in the sight glass will match the water level in the boiler. That’s because gravity and the pressure of our atmosphere act equally on the water whether it’s in the sight glass or the boiler’s ... hjs japan
What Causes Water Surging in a Steam Boiler and How to Prevent It
WebJun 25, 2014 · The two columns of water (in the boiler and in the gauge glass) sit at different levels until the burner shuts off on pressuretrol's cut-out setting. When the steam bubbles condense, the water in the boiler falls to a point lower than the water in the gauge glass. The water in the gauge glass offsets this by falling into the boiler. WebDec 10, 2015 · How To Replace A Sight Glass On A Boiler 1. Remove the boiler from a pressurized state - Never attempt to replace the sight glass on your boiler while the unit... WebSight glass. Water gauge on a steam locomotive. Here the water is at the “top nut”, the maximum working level. Note the patterned backplate to help reading and toughened glass shroud. A sight glass or water gauge is a type of level sensor, a transparent tube through which the operator of a tank or boiler can observe the level of liquid ... hjs katalog