air pressure reducing valve? - Mercedes-Benz Forum
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post #1 of 2 (permalink) Old 06-22-2019, 09:31 PM Thread Starter
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andre_'s Avatar
Date registered: Feb 2019
Vehicle: 1986 Unimog U1300L
Location: Australia, NT
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air pressure reducing valve?


with the Unimog running air at 18bar is there a simple device/valve I can put in front of a tool that has an max inlet pressure of 12bar?
I'd like to avoid anything with adjustable nobs and gauges, simple is key just reducing from 18bar to 12bar.

that's what I want to add to the Unimog

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post #2 of 2 (permalink) Old 06-23-2019, 07:44 AM
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Date registered: Dec 2018
Vehicle: 1981 Unimog U1300L - ex German Military
Location: Glasgow, Scotland
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Hi Andre,
In my opinion youíd be better installing a regulator permanently on your vehicle, just before the coupling. Any regulator fitted to individual tools is likely to be cumbersome and need adapters to make it fit.
Youíll need to select the correct regulator based upon the maximum incoming pressure and range of outgoing pressures. Most are adjustable but donít be put off - itís set and forget and is usually locked in place to keep the pressure setting.
Youíll also need to consider the fitting type.
I purchased this one for mine & set it to 10 bar

Be sure to select a pneumatic rather than hydraulic regulator.

I also purchased a pressure gauge for mine which simply screwed into the side of the regulator.


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