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Exe Increased Safety Glass Filled Nylon Dome Head Stopping Plugs (PD-E4 Series)

Nylon Dome Head plug PDE4







Redapt PD-E4 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 Dome Head Stopping Plugs are designed for hazardous area applications and are certified to protection concepts 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, 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 2 and Class I Zone 1 applications.

Technical Data Table

Protection Method
Exe – Increased Safety
Ingress Protection (IP) Maintained
IP66 / IP68 to a depth of 2 metres
Impact Resistance

-20°C to 40°C

Temperature will depend on type of O-ring used 


Base Material 

O-Ring Materials


30% glass filled nylon Durethan BKV30 N1

Nitrile, silicone, viton, EPDM, neoprene,
others on application 

Metric, NPT, NPSM, PG, ISO Pipe (BSP) ET, others on application
Standards Approved To
IEC 60079-0, IEC 60079-7, IEC 61241-0, IEC 61241-1

Ex Approvals

ATEX Approval

IECEx Approval

GOST-R Approval


CSA Approval 



IECEx SIR 12.0038X 

RU С-GB.ГБ06.В00106 – Russian
RU С-GB.ГБ06.В00106 – English
RU С-GB.ГБ06.В00106 Annex document – English

1248014 (LR 106084)

Installation Instructions

Product Datasheet

Nylon Stopping Plugs

How To Order

Part Number System