OS & Y Gate Valve
One type of valve commonly used to control water flow to fire sprinkler systems is known as an OS&Y gate valve. OS&Y means “outside stem and yoke” or “outside screw and yoke”. OS&Y gate valves operate by opening and closing via a gate, which lowers into or rises out of the valve.
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- OS & Y valves contain a screw nut held by a yolk, or beam, on the exterior of the valve.
- Control water flow to fire sprinkler systems.
|-10 to 82 deg C
|Height Normally Open
|Height Normally Close