What is Angle Valve and how it works?

3 min read

Angle valves are a common yet often overlooked component of plumbing systems. These unassuming fixtures play a crucial role in regulating the flow of water in residential and commercial settings. In this blog post, we will dive into the world of angle valves, exploring what they are, how they work, and their importance in plumbing systems.

What Is an Angle Valve?

An angle valve, also known as a stop valve or angle stop, is a type of plumbing valve that is typically found under sinks, behind toilets, and near other fixtures that require water supply. It is aptly named for its 90-degree angle design, which allows it to be easily connected to both a water supply line and the fixture it serves. Angle valves are essential for controlling the flow of water to specific fixtures and for shutting off water in case of maintenance or emergencies.

How Does an Angle Valve Work?

Angle valves operate on a relatively simple principle of opening and closing to control the flow of water. They consist of a valve body, a handle, and a stem. Here’s how they work:

  1. Valve Body: The valve body is the housing for the internal components of the angle valve. It contains an inlet where the water supply line is attached and an outlet where the fixture’s water line is connected.

  2. Handle: The handle is the part of the angle valve that you turn to control the flow of water. When the handle is turned, it operates a mechanism inside the valve that either opens or closes the valve.

  3. Stem: The stem is connected to the handle and extends into the valve body. It is equipped with a washer or a rubber gasket. When you turn the handle, the stem moves, allowing the washer or gasket to press against the valve seat inside the valve body. When the washer is pressed against the seat, it seals the valve, preventing water from flowing. Conversely, turning the handle in the opposite direction lifts the washer off the seat, allowing water to flow through the valve and into the fixture.

The Importance of Angle Valves

Angle valves are indispensable for several reasons:

  1. Regulating Water Supply: Angle valves allow you to control the flow of water to a specific fixture without affecting the entire plumbing system. This is useful for repairs, replacements, or upgrades.

  2. Emergency Shut-Off: In case of a leak or a plumbing emergency, angle valves provide a quick and easy way to shut off the water supply to a particular fixture. This can prevent water damage and further complications.

  3. Maintenance and Repairs: When you need to perform maintenance on a fixture or replace it, angle valves simplify the process by allowing you to isolate the fixture without turning off the entire water supply to your property.

  4. Customized Water Flow: By adjusting the angle valve, you can customize the water flow to suit your preferences, such as controlling the pressure to a showerhead or adjusting the flow rate to a sink.

Conclusion

Angle valves may be small components in your plumbing system, but they play a crucial role in controlling water flow, enabling quick shut-offs during emergencies, and simplifying maintenance and repairs. Understanding how angle valves work and their importance can help you become more self-reliant in handling minor plumbing issues and ensure the efficient operation of your fixtures. The next time you use a sink, toilet, or any other fixture, remember that there’s a reliable angle valve quietly doing its job behind the scenes.

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