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APU 200 – Fan Purge Unit

Discover the Duomo APU 200: Your Ultimate Pressurized Air Source for Seamless Operations with the Duomo LPU – Large Purge Unit. Equipped with an inbuilt flow indicator, the Duomo purge unit streamlines purge velocity setting for optimal performance.

Moreover, leverage the versatility of the fan purge unit, which doubles as a pressure source to pressurize pipework up to 100mbar. Whether in industrial or commercial settings, this dynamic solution ensures efficient air flow and enhanced operational efficiency.

Unlock the power of the Duomo APU 200 today for unparalleled performance and reliability in air pressurization applications.



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APU 150 - Fan Purge Unit + LPU - Large Purge Unit - 250mm
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The APU 200 – Fan Purge Unit is designed for direct purging of pipework from natural gas to air. Used alongside the Purge Unit with integral meter which is available in 100 and 150 mm models.

If you require a smaller fan the APU 150 – Fan Purge Unit is 32mm.

The APU 200 can also be used to pressurise pipework for tightness testing. This fan is capable of providing about 100 mbar and can be used for combined strength and tightness tests.

All Soundness Testing and Purging must be carried out as set down in IGEM publications UP/1, or UP/1A. If the volume is less than 1 cubic metre [35.3 cubic feet] with operating pressure below 40 mbar]. Depending upon resistances, the unit provides up to about 100 m3/h of air.


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We recommend Duomo Gas Detection products are serviced at least annually to ensure efficacy and extend sensor life. Our qualified team of engineers are available Nationwide.



  • APU 200 - Air Fan Purge

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Support & Service

If you require technical assistance or an annual service on this product please contact us and we will be happy to help. Our qualified team of engineers are available Nationwide.

Duomo (UK) Ltd

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