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Mikroventile für Fluide

Information and basic properties from the fluid technology specialist on the topic of

Microvalve - Information, applications, manufacturers

Ladybug microvalve

What is a microvalve?

Staiger GmbH & Co. KG

Microvalves are particularly small components in the field of fluidics and microfluidics to control gases or fluids. The outer dimensions are usually less than 10 mm. Due to their small size, these valves are relatively light and are especially well suited for mobile or portable applications and can be integrated particularly well into higher-level systems. In addition to passive microvalves, such as check valves, there are also active microvalves that are electrically controlled. To do so, electromagnetic drives are typically used, which are very fast and inexpensive.

How does a microvalve work?

Staiger GmbH & Co. KG

Just as in the world of larger solenoid valves, microvalves are also divided into pure switching valves and true proportional valves. A 2-way microvalve only opens and closes a fluid channel completely, while a micro-proportional valve also can open or close a fluid channel partially and thus can precisely meter a gas or fluid. In particular, fast-switching and long-life microvalves capable of switching below one millisecond can also be used for so-called quasi-proportional control and replace real proportional valves. The service life requirements for these applications are typically well over 1 billion operations.

Microvalves in space

Anyone who has ever pumped up a bicycle tyre is familiar with classic valves. However, the microvalves of the company Staiger have little in common with those: Satellites use tiny rockets whose propellant is released by a Staiger microvalve.
The necessary impulse here is very fine, comparable to the wing beat of a mosquito.
Microvalves in Space

Where are microvalves used?

Microvalves find their place in many different areas and are an integral part of our everyday life. These miniaturised valves are also frequently installed in places where you would not initially expect them.

Microvalves as a pilot valve

Microvalves as a pilot valve

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Microvalve pneumatics

Microvalve fluidics

Microvalves as a pilot valveclose

A traditional field of application for microvalves is, for example, the use as a pilot valve or relay valve in larger control valves of industrial pneumatics, with a small microvalve controlling a much larger valve.
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Microvalves for inkjet printers

Microvalves for inkjet printers

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Microvalve pressure

Microvalve inkjet

Microvalves for inkjet printersclose

In industrial inkjet printers, microvalves with very precise openings ensure that the micro-colour dots end up in the desired location.
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Microvalves as cold gas propulsion system

Microvalves for cold gas propulsion

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Microvalve cold gas

Microvalve vacuum

Microvalves as cold gas propulsion systemclose

The smaller and lighter the satellites in space, the greater the demand for small system components of these satellites, such as cold gas propulsion systems (control nozzles), used for manoeuvring a satellite in orbit.
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Microvalves for petrol injection

Microvalves for petrol injection

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Microvalves petrol

Microvalve engine control

Microvalves for petrol injectionclose

In small combustion engines, such as in saws or motorcycles, microvalves in conjunction with an electronic motor control ensure that in each case the right amount of fuel is metered into the carburettor or the motor.
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Microvalves for in vitro diagnostics

Microvalves for in vitro diagnostics

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Microvalve fluid

Microvalve gas

Microvalves for in vitro diagnosticsclose

During an in-vitro diagnostics procedure, tiny amounts of fluid are being taken from samples in the laboratory using fully automated sampling systems. These are then mixed with reagents and the results are analysed.
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Microvalves for fuel cells

Microvalves for fuel cells

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Microvalve hydrogen

Microvalve natural gas

Microvalves for fuel cellsclose

Microvalves are used especially in small, portable fuel cells, where only small amounts of natural gas or hydrogen must be metered into the fuel cell.
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Microvalves for flow control

Microvalves for flow control

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Microvalve flow regulator

Microvalve control technology

Microvalves for flow controlclose

Electronic flow regulators provide fast microvalves to keep a defined flow rate for gases or fluids.
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Microvalves in vacuum grippers

Microvalves in vacuum grippers

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Microvalve gripper arm

Microvalve robotics

Microvalves in vacuum grippersclose

An increasing number of vacuum grippers are used in industry to help people lift and move heavy boxes or other objects. Here, a so-called vacuum gripper is attached to a load crane.
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Microvalves for pressure regulators

Microvalves for pressure regulators

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Microvalve air

Microvalve water

Microvalves for pressure regulatorsclose

In electronic pressure regulators, fast-switching microvalves ensure that a defined pressure corridor (maximum pressure and minimum pressure) is not exceeded or values do not fall below the target.
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What should I know before buying microvalves?

Everything you should know before purchasing microvalves can be found on our compact overview page.

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