Outside Screw and Yoke (OS&Y) Gate Valve - Flanged
FeaturesOperation/Descriptions
- Sizes available (Nominal) :2”/DN50, 2½”/DN65, 3”/DN80, 4”/DN100, 5”/DN125, 6”/DN150, 8”/DN200, 10”/DN250 and 12”/DN300
- Pressure data : Working pressure : 300 psi (21 bar)Modular and decentralised architecture
- Seat type : Resilient wedge
- Finish : Fusion bonded epoxy coated internal and external
- Connections : Flange diameter and thickness according to ANSI B16.1 Class 125, EN1092-2 PN10 or EN1092-2 PN16
- Specifications : Design and dimensions conform to AWWA C515
- Features : Pre-notched, stainless steel stem for easy attachment of supervisory switch
- Note : Size 5” is only UL listed
Gate valves are manually operated multi-turn valves and are opened by a hand wheel 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 | 65 |
| 4” | DN100 | 80 |
| 5” | DN125 | 100 |
| 6” | DN150 | 125 |
| 8” | DN200 | 160 |
| 10 | DN250 | 240 |
| 12” | DN300 | 300 |
| 14” | DN350 | 306 |
