Quarter Turn Shut Off Valve

Quarter Turn Shut-Off Valves are a reliable and essential component in both residential and commercial plumbing systems. Designed to provide instant isolation of water or gas flow, these valves operate with a simple 90-degree turn of the handle, making them far quicker and easier to use than traditional multi-turn options. Their compact form factor allows them to fit in tight spaces like under sinks, behind appliances, or within wall boxes, while still delivering strong performance and leak-free shut-off. Whether used for emergency shut-off, routine maintenance, or appliance installation, quarter turn valves offer simplicity, durability, and long-lasting control in any environment.

Key Features

Key features and benefits of Quarter Turn Shut Off Valves.
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Key Features

With just a simple quarter turn of the handle, the valve moves between fully open and fully closed. This provides instant control, saving time during maintenance or emergency situations.
2

Key Features

Ideal for installations where space is limited, such as under kitchen sinks or behind washing machines. Their streamlined design allows easy access without compromising functionality.
3

Key Features

Made from corrosion-resistant brass, stainless steel, or high-performance polymers, these valves are built for longevity. They can withstand varying pressures and temperatures without degrading over time.
4

Key Features

The handle position makes it easy to tell whether the valve is open or closed at a glance. This helps prevent accidental misuse and increases safety.
5

Key Features

Precision engineering and reliable seals ensure a tight, secure closure when the valve is shut. This makes them highly dependable in both domestic and commercial applications.
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Key Features

Available in threaded, compression, and push-fit versions, these valves can be installed on copper, plastic, or steel pipework. This flexibility makes them suitable for a wide range of plumbing systems.

Where You’d Find These Valves

Quarter Turn Shut-Off Valves are commonly found in kitchens, bathrooms, utility rooms, and plant rooms—anywhere fast isolation of water or gas is needed. You’ll typically see them under sinks, near toilets, behind washing machines or dishwashers, and at the mains water entry point. In commercial or industrial settings, they are used in control panels, process systems, and even gas supply lines due to their ease of use and reliability.

Why They’re Important

Quarter Turn Shut-Off Valves are crucial for maintaining control over fluid systems, especially in emergency situations where a quick response is essential. They help prevent leaks, flooding, or gas escape by allowing you to instantly isolate flow to a specific appliance or zone. Their ease of operation means anyone—even without plumbing experience—can turn off the supply quickly, helping to reduce damage and increase safety. In maintenance scenarios, these valves save time and eliminate the need to shut down the entire system, making them a core part of modern plumbing design.

Frequently Asked Questions

It’s a valve that opens or closes fully with a 90-degree rotation, providing fast isolation of water or gas flow.

They’re ideal under sinks, near appliances, at entry points, or anywhere quick isolation is needed.

Yes, most are designed to handle both hot and cold domestic water lines safely.

Some are rated for gas use, but always check the product’s certification to ensure it complies with local gas regulations.

The handle position shows the status: in line with the pipe is open, perpendicular is closed.

Common options include brass, stainless steel, plastic (for lower pressure), and sometimes nickel-plated variants.

Full bore versions allow maximum flow through the valve, while standard bore models may slightly restrict flow.

Yes, especially push-fit or compression types, which require minimal tools and can be installed quickly by professionals or confident DIYers.

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They’re generally low-maintenance, but periodic checks are recommended to ensure seals and handles remain in good condition.

Yes, provided the valve is pressure and temperature rated for heating systems, they’re a great fit for isolating radiators or circuit zones.

Yes, as long as the correct fitting type (e.g., push-fit or compression) is used with pipe inserts where required.

With proper use and installation, these valves can last 10–20 years or more, depending on the material and application.

FAQ

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Quarter Turn Shut Off Valve