Stainless Steel material last longer time sealed perfectly easy to install Stainless Steel materiallast longer ... Product Description Gate ValveSize of this Gate Valve: NPS 2"-48" Pressure of this Gate Valve: Class 150-1500 Material of this Gate Valve: WCB, ... LCB, WC6, WC9, C12, C5, CF8, CF3, CF3M, CF8M. Design & Manufacture Std.: API ...