American Grooved OS&Y 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 OS&Y gate valve means Outside Stem and Yoke (or Outside Screw and Yoke) gate valve by grooved connection. It operates by opening and closing via a gate type valve disc. And raising the gate allows water to flow through the valve while lowering the gate cuts off the water flowing through the valve.