Ex Certified Dome Headed Stopping Plug

Redapt PD-U Series of Dome Head Stopping Plugs provide a method of blanking off unused entries in hazardous area approved equipment whilst ensuring the integrity and Ex approval of the installation is maintained.

Dome Head Plugs are designed to be installed with a hex (Allen) key, from the outside of an enclosure and are supplied complete with a captive o-ring seal. The o-ring is located within a recess on the face of the product, helping to protect the o-ring from environmental damage and ensuring it is not displaced during installation.

Redapt metallic Dome Head Stopping Plugs are designed for hazardous area applications and are certified to protection concepts Exd “Flameproof” and Exe “Increased Safety” for use in Zone 1 and Zone 2 applications.

Approved to the latest international standards, stopping plugs can be supplied with ATEX (CENELEC), IECEx, and GOST-R hazardous area certificates.

In addition CSA approval certificates can be supplied to cover use in North American and Canadian Class I Division 1 and Class I Zone 1 applications

Protection Method
Exd – Flameproof / Exe – Increased Safety
Ingress Protection Maintained
IP66 / IP68 to a depth of 2 metres
Impact Resistance
20 Nm (7Nm for Aluminium products)
Ambient Temperature Range
-50°C to 100°C
Brass CZ121, 316 Stainless Steel, Aluminium 6082,
Mild Steel EN1A
Nickel, Electroless Nickel, Zinc, others on application
O-Ring Materials
Nitrile, Silicone, Viton, EPDM, Neoprene,
others on application
Standards Approved To
IEC 60079-0, IEC 60079-1, IEC 60079-7, IEC 61241-0,
IEC 61241-1
ATEX Approval
IECEx Approval
IECEx SIR 12.0016X
GOST-R Approval

RU ?-GB.??06.?00106 – Russian
RU ?-GB.??06.?00106 – English
RU ?-GB.??06.?00106 Annex document – English

CSA Approval
1248014 (LR 106084-2)
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