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