Specifications
Hardware Installation and Maintenance Manual A
–3
Reducer/Adapter Exd, Zone 1 1. Adapter/reducers shall be assembled in such a
way that their protrusion from an associated
enclosure is not increased.
2. Installer must ensure the stopping plug ingress
matches the ingress protection of the rating of
the associated enclosure, IP66.
3. For direct entry Exd applications, only one
adapter/reducer shall be used per cable entry.
4. The female connection thread of a Thread
Conversion Adapter shall “step” not more than
two “size” up in the case of a thread gender
change.
Breather/Drainer Exd, Zone 1 1. The breather/drainer shall be suitable for bottom
entry application only.
2. It is the user’s responsibility to ensure that the
ingress protection level of an associated
enclosure is maintained at the interface, IP66.
3. Breather/drainer specified shall meet the
following requirements:
• Exd enclosures with an internal volume 75 L
V 175 L.
• Exd enclosure reference pressure 40 bar
maximum.
Cable Gland(s) Exd, Zone 1 1. Compound Barrier Cable Glands shall be
specified for use with our analyzer Exd
enclosure.
2. Compound Barrier Cable Glands shall carry a
minimum IP66 ingress protection level.
Table A–2 Exd accessory conditions of use (Continued)
Accessory
Type
Rating Notes
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