Hey kids! In this lesson, we are going to see how to use a manual gate valvely. An accessory gate valve is designed for use in accurate flow control applications. Speaking of using a gate valve by hand, we use our hand instead of the machine to use it. This is a crucial skill because this is how we ensure that we control how much water or other material flows through the pipes.
The 2 plates in a gate valve operate as the gate. The plates can move up and down to open or close the valve. Think of a gate in your yard that you can enter, exit, and control whether people enter or exit. And just like that, when we move the handle of the gate valve it drives the plates up or down. When the plates rise, the valve opens; when they come back down, it closes. Operating a gate valve manually is straightforward and simple to master!
Now that you’ve located the handle, now is the time to turn it! To close the valve, turn the handle all the way to the right (clockwise). This means that you are preventing the water or other materials from flowing. Turn the handle to the left (counterclockwise) to open the valve. Be sure to rotate it slowly and carefully. Just don’t crank it too hard or too fast, you can damage the valve.
Once you have turned the handle, you should make sure the valve is functioning properly. Check for a flow of anything through the valve. If you do not hear a flow, then the valve is closed. If you see water or other material passing through it, then the valve is open and operating as intended.

To assist your valve in operating correctly, you will need to apply some lubricant to the valve stem. This allows for the parts to slide smoothly past one another and reduces possibility of any binding. It’s akin to a little oil on a squeaky door hinge!

If your valve won’t open, make sure that there’s no dirt or debris in the way before you do anything else. It should be noted that small pieces of stuff can sometimes get stuck inside. If you see any, clean it out with caution, then try opening the valve again.

Valve material should be compatible with the type of material used in the pipes. Say if the pipes are transporting abrasive and corrosive materials, the valve has to be made with tough materials capable of handling that.
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