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General description:
A pressure-regulator reduces an upstream pressure to a lower pressure (downstream pressure). Each type of regulator has a 'flow-band' over which it keeps the regulated pressure constant.
One differentiates in:
or a combination of both: a differential pressure-regulator, which is preset by a spring to a constant outlet-pressure while a referential pressure allows the regulator to follow the varying system requirements.
Typical application: gas-sealing.
Function:
a sensing area (piston or diaphragm) is loaded with a force either by spring or compressed gas. It will then move a mechanically detached poppet from its seat and media can flow. When downstream pressure builts up and balances the force on the sensing area the poppet is moved towards the seat by a seperate valve-spring, throttling the flow or stopping it under no demand.
With larger seat-diameters it is advisable to apply balanced poppets. Thus fluctuations of inlet-pressures (dropping inlet-pressure: rising outlet-pressure and vice versa) will hardly affect downstream pressure.
Special solutions of our range include valve poppets without spring in contact with media or regulators multiplying a pilot-pressure. For example: Ratio 1:5 regulates 5 bar outlet with only 1 bar pilot pressure, the ratio being mechanically fixed. |
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You can either access an online version of the data sheets by clicking on the apropriate link or you can download a printable PDF version to your computer by clicking on the small PDF icon.
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You can request further information by filling out the attached form and pressing the submit button.
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