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What is Quarter Turn Valve? Uses and Working

Quarter Turn Valve

As a homeowner or business owner, it’s important to have a basic knowledge of plumbing systems and the available valves. One such valve you may come across is the quarter turn valve, also known as a ball valve. This comprehensive guide will delve into everything you need to know about quarter turn valves, including their uses, working principles, and advantages.

What is Quarter Turn Valve?

A quarter turn valve is a type of shutoff valve that operates quickly, typically with just a 90° rotation of the handle. Quarter turn valves are commonly used in plumbing and industrial process control due to their speed and relative cost effectiveness compared to other solutions. They can also provide tight sealing performance when properly maintained, making them ideal for many applications.

Uses of Quarter Turn Valves:

Due to their durability and reliability, quarter turn valves are used in various plumbing applications. They are commonly used in residential plumbing systems, including toilets, faucets, sinks, and showers. They are also found in commercial and industrial applications such as irrigation systems and chemical processing plants for blocking and regulating fluid flow.

Working Principles of Quarter Turn Valves:

Quarter turn valves are designed to work on a simple principle – the quarter turn of the handle allows the ball to seal the opening completely, thus stopping the water flow. The ball rotates when the handle is turned back, allowing the water to flow through the pipe. This simplicity of design and operation makes these valves very convenient and reliable.

Advantages of Quarter Turn Valves:

Quarter turn valves offer several advantages over other types of valves. They are highly durable, with a longer lifespan than other valves, such as gate valves. They are also easy to operate, with a simple quarter turn of the handle required to open and close them. Moreover, these valves are more resistant to clogging, making them a preferred choice for areas with hard water.

Maintenance of Quarter Turn Valves:

Quarter turn valves require little maintenance because of their simple design and operation. However, all plumbing systems and components should be checked regularly for leaks or damage. Additionally, if you install quarter turn valves, you must use high-quality ones to avoid future problems.


In conclusion, quarter turn valves are a versatile and reliable type of plumbing valve used in various applications. They offer ease of use, resist clogging, and require minimal maintenance. Understanding quarter turn valves and their benefits can help you make informed decisions when selecting plumbing components for your home or business. So, next time you encounter a plumbing system, look for quarter turn valves and take advantage of their benefits.

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