The stopper plug provide a means of blanking unused cable entries on a temporary or permanent basis. The stopper plug are available with equipment interface ‘O’ ring seal. Globally marked to IECEx, ATEX, Ex d, Ex e range of stopper plugs are available to suit a wide range of situations. We also supply Reducers and adapters. They are available with metric threads made of polyamide and NPT thread in the materials brass and galvanized steel. Stopper plug is designed for use from the outside of the enclosure to permanently or temporarily close any unused entries. Stopper Plug are use in dissimilar hole for enabling equipment to be safely installed in hazardous area for increase permanent or temporary safety in enclosures. It is produce with a Hexagonal Head, to install or remove in open ended or ring type spanner or pull. So it used to hide any unused entry in electrical equipment.

Tamper proof Plug Type CF
Tamper proof Plugs are inserted from the outside with the Allen key towards the enclosure and then tightened from the inside to leave a flush finish to prevent unauthorized removal.

RX Plug Type CB
RX Plugs are inserted with the Allen key pointing away from the box and tightened from the outside.

Hexagon Head Plug Type CK
Hexagon Headed Plugs are inserted from the outside and fastened by means of a spanner. They can be fitted with a washer to increase the IP rating of the assembly.

Dome Head Plug Type CQ
can be offered as an alternative to the Hexagon Headed version

Hollow Hexagon Head Plug Type CY
a hollow version of the Hexagon Head Plug but still with Exd/Exe certification.

Thread specification
Isometric (ISO) to BS3643:1981 and ISO 965 Pts 1 & 3
Imperial (ET) to BS31:1940 (1979)
National Pipe Thread (NPT) to ANSI/ASME:1983
British Standard Pipe (BSP) to BS21:1985
Pg to DIN 40430:1971

Materials
Brass: BS2874: 1985 CZ121
Mild Steel: BS970 PT3 230M07
Stainless Steel: BS970 PT3 316 S11
Aluminum: BS1474/1 6082 T4 or T6
Aluminum Bronze: BS1400 1985 AB2 or BS2874:1986 CA104

Plating
 Stopping Plugs are available in a variety of finishes including Nickel, Electro Zinc, Zinc Passivated, Achromatized, Electro less Nickel and Anodized.