OS&Y Gate Valves

An OS&Y (outside stem & yoke) gate valve is commonly used in the fire protection industry to control water flow in sprinkler systems. Our OS&Y gate valves are UL Listed and FM Approved.

Specifications: 
  • UL Listed
  • FM Approved
  • 300 PSI rated
  • groove x groove
  • flange x flange
  • flange x groove

Tabs

Part Table

21 Items

Part Size Configuration
OSY10FF
OSY10FF
10” Flange x Flange
OSY10FG
OSY10FG
10” Flange x Groove
OSY10GG
OSY10GG
10” Groove x Groove
OSY12FF
OSY12FF
12” Flange x Flange
OSY12FG
OSY12FG
12” Flange x Groove
OSY12GG
OSY12GG
12” Groove x Groove
OSY25FF
OSY25FF
2½” Flange x Flange
OSY25FG
OSY25FG
2½” Flange x Groove
OSY25GG
OSY25GG
2½” Groove x Groove
OSY3FF
OSY3FF
3” Flange x Flange
OSY3FG
OSY3FG
3” Flange x Groove
OSY3GG
OSY3GG
3” Groove x Groove
OSY4FF
OSY4FF
4” Flange x Flange
OSY4FG
OSY4FG
4” Flange x Groove
OSY4GG
OSY4GG
4” Groove x Groove
OSY6FF
OSY6FF
6” Flange x Flange
OSY6FG
OSY6FG
6” Flange x Groove
OSY6GG
OSY6GG
6” Groove x Groove
OSY8FF
OSY8FF
8” Flange x Flange
OSY8FG
OSY8FG
8” Flange x Groove
OSY8GG
OSY8GG
8” Groove x Groove