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Exd Flameproof / Exe Increased Safety Breather Drains (BD-U Series)

Breather Drain BDU






edapt BD-U Series of Flameproof Breather Drains has a primary function of effectively draining any water present within the enclosure, whilst allowing air in the enclosure to breath with the surrounding atmosphere, minimizing moisture build up within the enclosure.

Intended for use where an installation is subject to fluctuations in temperature which can lead to the formation of condensation and a subsequent moisture build-up.

The Breather Drain allows air within an enclosure to breathe with the surrounding atmosphere helping to prevent condensation and any potential damage to sensitive electric/electronic equipment housed within.

The Breather Drain will also maintain the IP66 rating of any enclosure to which it is installed. 

Approved to the latest international standards, Flameproof Breather Drains can be supplied with ATEX and IECEx hazardous area certificates.

Technical Data Table

Protection MethodExd Flameproof / Exe Increased Safety
Ingress Protection (IP) Maintained
Impact Resistance

-50°C to 150°C

(dependent on O-Ring selection)


Base Materials 

O-Ring Materials



Brass, Stainless Steel 316

Silicone – others available on request


Metric, NPT
Standards Approved To
IEC/EN 60079-0, IEC/EN 60079-1, IEC/EN 60079-7, IEC/EN 61241-0, IEC/EN 61241-1

Ex Approvals

ATEX Approval

IECEx Approval



IECEx SIR 08.0096X

Installation Instructions


Product Datasheet
BD-U Breather Drain

How To Order

Part Number System