Gate valve for water, oil or air up to 200 PSI up to 210 degree Fahrenheit for steam to 125 PSI use fully open or closed solid wedge disc full flow cast iron handle non-rising stem. Brand Name: B&K Sub Brand: ProLine Inlet Diameter: 4 in. Connection Type: FIP Material: Brass Product Type: Gate Valve Lead-Free: Yes Maximum Working Temperature: 210 Maximum Pressure: 200 psi Packaging Type: Bulk Outlet Diameter: 4 in. .