This valve is rated for a maximum of 200 P.S.I. For use with water, oil, air, and 125 P.S.I. steam. The valve should be used where full flow is desirable. Full port. Gate valves provide longest service life when used in full, open, or closed position. Nonrising, square end stem. Solder ends comply with ANSI B16.18. Cast-iron handle. Import. Manufactured to include no more than 0.25% weighted average lead content on wetted surfaces.