HDPE Fittings HDPE Butt Fusion FittingsAll HDPE butt fusion fittings listed below can comply with EN 12201, ISO 4427, and applicable ASTM/ANSI standards. Stub EndSize: 50-1200mm/1*1/2”-24”" 90 ElbowSize: 63-800mm/1*1/2”-18” 45 ElbowSize: 63-800mm/1*1/2”-18” TeeSize: 63-800mm Reducing TeeSize: 75-800mm/1*1/2”-18” Reducing CouplerSize: 90-800mm/2“*1”-8”*6“ CrossSize: 63-800mm End CapSize: 63-1200mm/2”-8” Y TeeSize: 63-800mm