Professional Design Non Return Valves - 200 PSI NRS groove Gate – Kingnor

200 PSI NRS groove Gate Connections: Groove Sizes: 2", 2½", 3", 4", 5",  6", 8", 10", 12" Approvals: UL, ULC, FM, NSF/ ANSI 61 & NSF/ ANSI 372 2’’ only with FM Maximum Working Pressure:  200 PSI (Maximum Testing Pressure: 400 PSI) conforms to UL 262, ULC/ORD C262-92, & FM class 1120/1130 Maximum Working Temperature: -20°C to 80°C Groove standard : Metric or AWWA C606