Home / Pipes and Fittings / Galvanized Iron / Galvanized Iron Union (Screwed) Galvanized Iron Union (Screwed) Size Choose an option1/2" (15mm)3/4" (20mm)1" (25mm)1 1/4" (32mm)1 1/2" (40mm)2" (50mm)2 1/2" (65mm)3" (80mm)4" (100mm)6" (150mm)1/2" (15mm)3/4" (20mm)1" (25mm)1 1/4" (32mm)1 1/2" (40mm)2" (50mm)2 1/2" (65mm)3" (80mm)4" (100mm)6" (150mm)Clear Related products Galvanized Iron Cap (Screwed) HDG Flange (BSP Threaded) Galvanized Iron Reducing Elbow (Screwed) Galvanized Iron Equal Tee (Screwed) Galvanized Iron Elbow 45deg (Screwed) Galvanized Iron Plug (Screwed)