These high performance quality ball valves are stocked in 316 stainless steel. Even the pressed handle on the valve is 316 stainless steel to avoid rusting on site. 1000 PSI Pressure rating, sizes from 1/4" up to 1", these valves are recommended for use in oil and gas applications where reliable long-term performance is essential. Threaded connections are NPT, Handle Locking Standard, NACE Standard.