The Electron Machine Isolation Valve is a valve designed to isolate the sensing head from the process media for safe removal. There are many in service all over the world. Electron Machine recommends that these valves be repaired/refurbished at least once every ten (10) years.
Contact Electron Machine by calling 352-669-3101 or by visiting https://electronmachine.com to set up your return.
To view a longer, more detailed video of the rebuilding process, see https://www.youtube.com/watch?v=7ZmHmYxj3Lo