American Grooved NRS gate valve
- Certificate: UL Listed / FM Approved
- Standard: UL 262 / AWWA C515, C509
- Connection: Grooved as AWWA C606
- Temperature: 0°C to 80°C
- W. pressure: 300 psi
- Surface: FBE coating as AWWA C550
Grooved NRS gate valve means Non Rising Stem gate valve by grooved connection. It operates by opening and closing via a gate type valve disc, and the stem does not move up or down as it turns to open and close the gate.