FV400 by Kuriyama | Foot Valve Strainer | 4" Female NPTApplications: Designed for use in Irrigation and other pumping applications where water may be dirty due to silt and sand. These valves are used to prevent the passage of contaminents to the pump. For use with Kuriyama Hoses Features: N A Materials: Bolts and Nuts are Plated Steel. Kuriyama Foot Valves are Made of Iron and come with a Neoprene Flapper Valve Assembly. Part Number Female NPT Weight (Lbs.) FV150 1 2" 2. 9 lbs FV200 2" 5. 3 lbs FV250 2 1