The series MVB Mini Brass Ball Valve from the W. E. Anderson Division of Dwyer Instruments Inc. is an economical yet durable brass ball valve, with a working pressure of up to 450 psi (31 bar). For added versatility, the brass ball valve comes in Female x Female, or Male x Female configurations. Pure PFTE ball seats allow for tight shutoff, in addition to a double seal design that allows valve use in both directions. Available in four different sizes, with choice of tee, wedge and lever handles.