A tee is also called triplet, three way and "t" pieces and it can be used to either combine or split a fluid flow. Most common are tees with the same inlet and outlet sizes, but 'reducing' tees are available as well. It means the one or two ends are differ in dimension.due to thisdimension differ, the makes the tee fittings with the capacity to control the volume when requried pattern weld seamless nominal size 12-48 (dn15-dn1200) 12-20 (dn15-dn500) wall thickness 2100mm 250mm bend radius sch5s-sch160 , xxs sch5-sch160 type teereducing tee teereducing tee tee pipe-fitting-equal-tee thread-pipe-fitting-tee equal-tee stainless-steel-butt-weld-pipe-fitting. tee-reduce calss-2000-tee-sw tee-reduce tee-stright-equal threaded-pipe-fitting-tees threaded-pipe-fitting-tees sanitary-pipe-fittings-tee copper-pipe-fitting-tee calss-3000-tee-reduce-thread triplet forging tee calss-2000-tee-reduce-thread