Models View all 2" Ball Valve (316 S/S) - 3 Piece 180 3072 9 0.5" Steam Trap 62 1472 11 1/2 '' Ball Valve (S/S) - 3 piece 58 1815 12 1'' Non Return Valve 33 1753 4 1'' Flow Switch 26 396 3 1'' Flow Monitor SM8000 17 163 0