A proportional valve provides a change in output pressure or flow in the same ratio as the change in the input; for example, if the input doubles then the output will also double.
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Proportional Valves are suited to applications where output pressure will vary - either in steps or continuously. Stepped output pressure means the pressure is held at one value before the pressure is increased to another value. Continuous output pressure is where pressure is continually increased at a set rate.
Proportional Valves can be interconnected, for example, the output from one being used as an input to another. Many are programmable, with onboard diagnostics, making them highly suited to Industry 4.0 system design.
They are dependable, cost-effective (particularly air-pilot operated), give fast response and consistent control.".
Proportional Valves can help reduce cycle times, by quickly achieving a stable pressure. They have a fast, precise response, which will improve efficiency. They also give repeatable control and pressure output, giving an expected response each time.
There are some basic parameters to consider. Firstly, what is being controlled? Pressure, flow or some other characteristic. What input and output pressure range will be required, and at what range of flow rates? What is the likely operating temperature that the Proportional Valve will experience? Are there other environmental considerations, such as a wet and dirty application.
It is important to consider if the process is a static, a step-by-step, or dynamic one. This may very well dictate the response time required and hysteresis performance.
Cost may be a consideration and, as stated, air pilot operated valves are particularly cost-effective.
Proportional Valves are suited to analytical and test instrumentation, process applications such as tensioning, spraying and blow molding. They are also found in medical and foundry applications. However, they can also be used in many other applications. Please contact us with any specific enquiries.
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When it comes to proportional gas valves we refer to a crucial component for a broad range of sectors. They are an ideal solution if you wish to have full control over gas flow rate.
As a matter of fact, gas valves are specifically conceived to monitor gas flow and pressure based on the input signal they receive. Therefore, by following this feedback loop, the position of the valve changes in order to achieve a more accurate regulation.
This proportional valve is not just &#;open&#; or &#;closed&#; status, but can take on any in-between position, ensuring a perfect dosage of gas with no time drift issues.
Finally, you can choose a single-channel or a dual-channel proportional valve for your industry based on the results you would like to achieve in terms of gas flow.
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Discover more about the proportional valve mechanism
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Selecting the best proportional gas valve for your specific sector is a fundamental choice. In fact, this component should be dependable, efficient and guarantee great performance.
A proportional air valve should present all these features and benefits:
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