9WWWW - Butt-Weld Cross - PolishedThe 9WWWW Butt Cross is a 3A certified sanitary fitting designed to be welded into permanent piping systems to connect two perpendicular tubing lines. This tee has four butt weld ends of equal size. The 9WWWW is constructed of 316L stainless steel and is polished to 32Ra ID OD. This fitting is available in other sizes upon special request, please contact our sales team with any inquiries. Tube O. D. A 1 2" 1. 50 3 4" 2. 25 1" 2. 25 1 1 2" 3. 31 2" 4.