Asked by: Rana Brualla
asked in category: General Last Updated: 23rd January, 2020

What is outside screw and yoke valve?

QUICK. April 2012. 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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Likewise, what is Valve yoke?

Yoke. A Yoke connects the valve body or bonnet with the actuating mechanism. The top of the Yoke holding a Yoke nut, stem nut, or Yoke bushing and the valve stem passes through it. A Yoke usually has openings to allow access to the stuffing box, actuator links, etc..

Secondly, what's the difference between a gate valve and a globe valve? A gate valve should always be either fully open or fully closed. The main difference is in the form of the inner elements and the form of the flow inside the valves. In addition, the gate valve may have a rising or non rising stem while the globe valve is typically a rising stem design.

People also ask, what is the difference between rising and non rising stem gate valve?

Rising stem gate valves are usually made from cast or forged steel while non rising stem gate valves are more typically brass, bronze or cast iron. Non rising stem valves take up less space and rising stem valves require more space.

Should I get a DIN or yoke regulator?

The easiest way to determine which kind of regulator you have is to look for an o-ring in the regulator. If there is an o-ring in the part of the regulator that attaches to the tank, you have a DIN regulator. If there is no o-ring visible on the regulator, but your tank has an o-ring, then you have a yoke regulator.

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