Ball Valve Body Material 316 Stainless Steel Body Style Inline Seal-Welded Pipe Size 1/4 in Connection Type FNPT x FNPT Full Port Max Pressure 6 000 psi CWP Max Steam Pressure 250 psi WSP Temp Range -50 Degrees to 500 Degrees F Ball Material 316 Stainless Steel Seat Material PEEK Stem Type Blowout Proof Handle Type Locking Lever Handle Material 300 Stainless Steel Stem Material 316 Stainless Steel Body Seal Material Graphite