Product: Concentric& Eccentric Reducers Material: A234-WPB, A420-WPB, A420-WPL6, A234-WP12, A234-WP11, A234-WP5, A403-WP304, A403-WP304L, A403-WP316, A403-WP316L. Size: 1/2"-48", DN15-DN1200 Pressure: Sch5-Sch160, XXS Standards: ISO, ANSI, ASME, JIS, DIN Use: Petroleum, chemical, power, gas, metallurgy, shipbuilding, etc.