A clockwise rotation of the gate moves the stem back into the gate and closes the valve.
Os y gate valve.
An os y gate valve outside screw yoke functions by opening and closing via a gate which lowers both in and out of the valve.
Os y means outside stem and yoke or outside screw and yoke.
When the handle is turned counter clockwise the gate will open allowing the water to flow through freely.
It is identified as a local control valve.
Sometimes the packing nuts can be too tight or too loose.
By andrea stein.
The purpose of these is to hold the packing material of the valve tightly in place so there are no leaks.
As the operator rotates the handle counterclockwise the stem lifts out of the handle opening the gate.
If the valve handle on an os y valve will not move the packing may be too tight.
On every os y valve there is a packing nut or packing screws.
What is an os y gate valve.
An os y valve outside screw yoke functions by opening and closing via a gate which lowers both in and out of the valve.
When the handle is turned clockwise the gate will close preventing any water from traveling through the valve.
Os y gate valves operate by opening and closing via a gate which lowers into or rises out of the valve.
In such cases the valve gate attaches to a threaded stem with a handle that connects to the yoke element.
It is used as a shut off valve on water feed lines to disconnect control in situ zones.
The screws of the valve are held by a yolk on the.