This model S40, 2" (51mm) Threaded NPT ball valve manufactured by Flow-Tek offers a compact, one piece body design. Constructed of high quality stainless steel, this valve features quarter turn operation, bottom entry blowout proof stems and low operating torque. It is rated to 1000 psi and features a standard locking lever. These valves are built to withstand harsh environments for long periods of time, but they should be inspected periodically for corrosion or washed out ball and seat and replaced when needed.