Outside Screw and Yoke (OS&Y) Gate Valve – Grooved
FeaturesOperation/Descriptions
- Sizes available (Nominal) :2”/DN50, 2½”/DN65, 3”/DN80, 4”/DN100, 5”/DN125, 6”/DN150, 8”/DN200, 10”/DN250 and 12”/DN300
- Working pressure : 21 bar (300 psi)
- Seat Type: Resilient wedge
- Finish : Fusion bonded expoxy coating internal and external
- Connections : Grooved metric or AWWA C606 standard
- Specification : Design and dimensions conform to AWWA C515
- Features : Pre-notched, stainless steel stem for easy
- Note : Size 5” is only UL listed
Gate valves are manually operated multi-turn valves and are opened by a handwheel or other operating device, generally in a counter clockwise direction and then closed clockwise.
| Closing Torque for Gate Valve Handwheel | ||
| Size | Closing Torque Nm | |
| 2” | DN50 | 27 |
| 2½” | DN65 | 38 |
| 3” | DN80 | 71 |
| 4” | DN100 | 102 |
| 5” | DN125 | 122 |
| 6” | DN150 | 149 |
| 8” | DN200 | 203 |
| 10 | DN250 | 251 |
| 12” | DN300 | 305 |
