4 Ductile Iron Iron Pipe Size x Iron Pipe Size Gate Valve, Non-Rising Stem with EPDM WedgeThe 4" Ductile Iron IPS x IPS Gate Valve, Non Rising Stem with EPDM Wedge is a high performance shutoff valve designed for water and fluid control in industrial, commercial, and municipal applications. Featuring a non rising stem (NRS) design, this valve is ideal for limited space installations. The EPDM wedge ensures a tight, resilient seal, providing superior durability and resistance to water, chemicals, and temperature variations. Specification