Apollo 71-500 Series Bronze Ball Valve, Two Piece, Inline, Spring-Close Lever, 2" NPT Female Made of bronze for higher strength and corrosion resistance than brass Stainless steel spring-close lever handle to ensure the valve is open only when an operator is at hand Pounds per square inch (gauge) (psig) rating of 600 for water, oil, and gas (WOG) and 150 for saturated steam Female National Pipe Taper (NPT) threads on both ends for use with male threaded pipes Multifill polytetrafluoroethylene (MPTFE) seats and a PTFE seal reduce the risk of valve leakage