The 1 inch gate valve is designed for use in a fully open or closed position. They are manufactured to include no more than 0.25 weighted average lead content on wetted surfaces. It is brass construction. 125 PSI water, oil or air, at temperatures up to 210 degree Fahrenheit. It features solid wedge disc, full-flow, exclusive double O-ring packing, non-rising, square end stem, heavy cast-iron handle. Threaded ends comply with ANSI B2.