311T-112 Diameter: 1.5" Features: -Tee. -Galvanized finish. -All fittings are pressure tested, 150 PSI. -Tapped to American standard oil thread. -Zinc coating is applied by hot dip process. -150 Lbs maximum working steam pressure or 300 lbs non-shock working oil, water or gas pressure at ordinary air temperature. -Diameter: 0.13" - 2".