SPU – Small Purge Unit – 100mm

Gas Flare & Purge Units

The purge unit is designed for the direct purging of pipework up to 100 mm bore from air to low pressure natural gas up to 100mbar. It can also be used for natural gas to air purging but an air mover must be used which is available as an optional extra item. Larger Purge Units for above 100 mm bore pipework are also available, contact Duomo sales department for information
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The unit can also be used for setting up meter regulators under flow conditions. All Soundness Testing and Purging must be carried out as set down in Institution of Gas Engineers and Managers publications UP/1, or UP/1A if the volume is less than 1 cubic metre (35.3 cubic feet) and the operating pressure is below 40 mbar.

The SPU – Small Purge Unit purge unit is for the direct purging of pipework. For use with up to 100mm bore pipework from air to natural gas with pressures up to 100 mbar. Can be used for natural gas to air purging but an air mover must be used.

Larger Purge Units, 150mm and 250mm bore pipework are available. Specifically the MPU – Medium Purge Unit or the Large Purge Unit – 250mm.

Soundness Testing and Purging must be carried out as set down in Institution of Gas Engineers and Managers publication UP/1.

The SPU – Small Purge Unit is mounted in a solid aluminium and vinyl covered box with castors.

A valved test point is included for the connection of a Gas Analyser such as a Gascoseeker. For monitoring the gas pressures or, if needed, for testing the hose assembly for tightness.

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