Jacketed Hemispherical Reducer StandJacketed Hemispherical Tri Clamp Reducer with Welded Ring Stand Jacketed Hemispherical Tri Clamp Reducer with Welded Ring Stand allows the user to create a larger drain filtering system allowing more weight to be supported with the ring stand. These reducers have (2) 1 2" FNPT connection jacket ports with Tri Clamp connection on the top and a 1 4" FNPT drain port on the bottom. The outer jacket allows the user to recover faster or keep materials at a