Ball valve test - comparisons. Com 2024

Ball valve, the simple shut-off valve

Pipelines for water, oil or compressed air always require shut-off valves as a safety measure. They can be used to reduce or completely shut off the flow. So-called ball valves are almost always used, in which a pierced ball inside the valve regulates the flow.

Im Ball valve offer the trade there is a wide variety of designs, which are almost exclusively limited to the connections and the actuation. In our ball valve rating from Test-Vergleiche.com, we would like to explain the differences to you.

The best ball valves in comparison

Most homeowners will be familiar with the various shut-off devices on the heating system, on the water or gas mains and on the supply lines for the Garden hand shower or to do Automatic Water. A ball valve is mainly used as a shut-off valve. Has to be sink faucet be replaced or is a new one Heater connected, you can quickly shut off the corresponding line with the ball valve and it is on Ball valve with drain, the remaining water can be drained from the pipe at the same time. Our Ball valve comparison would like to teach you much more about the simple but effective stopcocks.

What is a ball valve?

A ball valve consists of a housing containing a ball with a bore. It got its name from the ball inside. The flow rate is reduced or completely cut off with the help of a rotatable axis, which is used for shutting off. The ball is usually turned manually with the attached handle, with the exception of a ball valve that is driven by a servomotor. With a 90 degree rotation, the ball blocks the flow completely, with less only the flow rate is reduced.

• 0 degrees = full flow
• 1 - 89 degrees = reduced flow
• 90 degrees = no flow

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Possibilities of passage regulation

There are two variants of ball valves, one each with full or reduced passage:

Thread sizes and nominal widths

If you want to buy a ball valve, you have to pay attention to the thread. These are specified in inches and in nominal diameters.

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Dead spaces with standing water

Due to the design, so-called dead spaces with standing water can occur in ball valves between the ball and the housing. This presents a hygienic problem, especially when the ball valve is rarely used. Ball valves should therefore not be used in drinking water systems. There are also dead space-free models available commercially, but at a much higher price. as heating ball valve or outdoors is a cheap ball valve and does not pose any danger with regard to dead spaces, however, the freezing water outside cannot expand in winter, with the corresponding consequences.

Where can you buy ball valves?

Ball valves can be found in hardware stores or plumbing stores. who none ball valve experiences should seek advice here. For everyone else ours is ball valve purchase recommendation, look around the internet first. Here you will find all the technical parameters at a glance and do not have to go with them tape measure and handle glasses. For example, you can get a good one Order and buy Müller ball valves online or compare it to other products.

Ball valve vs. faucet

A water tap can also be used instead of a ball valve. Even the best ball valves or faucets, however, have advantages and disadvantages.

Conclusion

Ball valves are particularly suitable as shut-off devices in water or heating systems. It comes in many designs and materials, and with different actuation devices. They are particularly practical with an emptying device. It is important that they are suitable in terms of nominal size, temperature range and purpose.