Technical Note
00840-0100-4848, Rev AG
Conduit Plug and Threaded Adapter
February 2021
Assembly Fitting Instructions for Installation of
Conduit Plug, Threaded Adapter
1.0 Technical data
Equipment type: Conduit plug (03031-1544); Threaded adapter (00444-0281)
Figure 1-1. Conduit Plug and Threaded Adapter
Conduit plug Threaded adapter
2.0 Hazardous location classification
ATEX Flameproof, Dust, and Increased Safety
Certificate: DEMKO 18ATEX1986X
Markings: II 2 G Ex db eb IIC Gb
II 1 D Ex ta IIIC Da
Standards: EN 60079-0:2018, EN 60079-1:2014, EN 60079-7:2015+A1:2018, EN 60079-31:2014
IECEx Flameproof, Dust, and Increased Safety
Certificate: IECEx UL 18.0016X
Markings: Ex db eb IIC Gb
Ex ta IIIC Da
Standards: IEC 60079-0:2017, IEC 60079-1:2014, IEC 60079-7:2017 (Edition 5.1), IEC 60079-31:2013
Conduit Plug and Threaded Adapter
February 2021
Specific Conditions of Use:
1. The blanking elements shall not be used with an adapter.
2. Only one adapter shall be used with any single cable entry on the associated equipment.
3. It is the end-user's responsibility to ensure that the ingress protection rating is maintained
at the interface of the equipment and the blanking element/thread adapter.
4. Suitability of the temperature of the Ex Thread Adapters is to be determined during end-use
with suitably rated equipment.
5. The Ex Blanking Elements have been evaluated for use in an ambient temperature range of
-60 °C to +125 °C
Table 1-1. Conduit Plug Thread Size
Thread Identification mark
M20 x 1.5–6g M20
1
/2–14 NPT
M25 x 1.5-6g M25
3
/4-14 NPT
1
/2 NPT
3
/4 NPT
Technical Note
00840-0100-4848, Rev AG
Table 1-2. Threaded Adapter Thread Size
Male thread Identification mark
M20 x 1.5–6g M20
1
/2–14 NPT
1
/2–14 NPT
Female thread Identification mark
M20 x 1.5–6H M20
1
/2–14 NPT
1
/2–14 NPT
2
Conduit Plug and Threaded Adapter
Technical Note
00840-0100-4848, Rev AG
Conduit Plug and Threaded Adapter
February 2021
Conduit Plug and Threaded Adapter
3
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Technical Note
00840-0100-4848, Rev AG
February 2021
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