Many types of flame-resistant cable exhibit "cold flow" of the inner sheath bedding, which could have adverse effects on the protection of the apparatus.
Where such cable is used, it is a requirement of EN 60079-14 and IEC 60079-14, clause 10.2 to employ a suitable cable entry device. The code of practice clearly states that "a cable gland employing a compression (displacement) seal should not be used on cable exhibiting cold flow characteristics".
"Cold flow" can be more fully described as thermoplastic materials which flow when subjected to pressure at ambient temperature, i.e. the inner sheath bedding material will flow away from any pressure applied to it, including that of a cable gland inner seal of the compression or displacement type, the effect being that there may no longer be an effective seal on the inner sheath of the cable.
Our revolutionary compound chamber has been designed with inspectability in mind. The pre-lubricated compound chamber can be removed once the compound has fully cured, allowing full inspection of the flameproof seal. If required, minor surface voids can be repaired in-situ. This unique patented compound chamber now forms the compound as well as providing a flameproof seal.
Outdoor or indoor use.
For use with non-armoured elastomer and plastic insulated cables.
For particular use with:-
a) Cable inner sheaths that are not effectively filled, compact and/or circular, have tape bedding or have hygroscopic fillers.
b) Cables that exhibit ‘cold flow’ characteristics.
c) Enclosures containing an ignition source in gas group IIC areas or containing an ignition source in a Zone 1 area.
Provides a barrier seal between the individual insulated cores within the cable and prevents entry of the products of an explosion into the cable.
Assembly of the cable gland compresses and distributes the compound evenly to effect a barrier seal at the point of entry into the enclosure.
The compound chamber may be separated from the cured compound to ensure that the chamber has been effectively filled. If required, external voids can be repaired.
Provides a cable retention seal onto the cables outer sheath.
The ICG 623 cable gland is manufactured in Brass (standard), Nickel Plated Brass, 316 Stainless Steel or Aluminium. Brass NPT entries are nickel plated as standard.
|CABLE GLAND SELECTION TABLE|
|Cable Acceptance Details||‘G’
|‘B’ Outer Sheath|
|All dimensions in millimetres (except * where dimensions are in inches).
Metric entry threads are 1.5mm pitch as standard.
† Smaller value is applicable when selecting reduced NPT entry option.
Example without options: ICG 623 / C / M32 / Brass
Example with alternative seal option: ICG 623 / C / 1¼" NPT / Brass / S
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