The purpose of these is to hold the packing material of the valve tightly in place so there are no leaks.
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.
As the operator rotates the handle counterclockwise the stem lifts out of the handle opening the gate.
Os y gate valves operate by opening and closing via a gate which lowers into or rises out of the valve.
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.
The screws of the valve are held by a yolk on the.
By andrea stein.
A clockwise rotation of the gate moves the stem back into the gate and closes the valve.
Os y means outside stem and yoke or outside screw and yoke.
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.
A butterfly valve or ris.
What is an os y gate valve.
It is used as a shut off valve on water feed lines to disconnect control in situ zones.
When the handle is turned clockwise the gate will close preventing any water from traveling through the valve.
Raising the gate allows water to flow through the valve while lowering the gate cuts off the water flowing through the valve.
It is identified as a local control valve.