Loading… Knife Edge Gate Valve Knife Edge Gate Valve Design Std: MSS SP-81 Sizes: 2" to 48" Seats: Soft / Metal Materials: WCB, CF8, CF8M, CF3, CF3M etc Ends: Wafer & Lugged Operation: Manual/ Automation Add To Enquiry Cart + You may also like BOLTED BONNET, OS & Y TYPE, RISING STEM GATE VALVE