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CABLES & CONNECTORS FEATURE


For some time, industry has been calling out for a cable transit device


which can significantly reduce the quantity, size and weight of cable sealing systems. To meet demands, Roxtec has


designed a High Density cable seal, as Phil


Sealing the benefits of cable entry technology


E


ffectively protecting electrical equipment in heavy industrial


and hazardous environments is a major engineering challenge. There remains, however, increasing demand for solutions which provide environmental protection here – including in potentially explosive atmospheres. Roxtec therefore paid close attention


to industry calls, and in particular clients within the oil and gas sector, before interrogating the design of cable entry devices used in terminal boxes and enclosures within hazardous environments. The result? A ‘High Density’ cable entry system which not only provides environmental protection, but helps designers and installers save time, space and money.


MEETING DEMANDS Through its in-depth knowledge and experience of cable sealing, the company realised that there is strong demand for solutions which can reduce the quantity, size and weight of cable entry systems for enclosures. The Roxtec HD system can therefore accommodate up to 32 cables. In addition, however, the ability to


feed multiple cables into one opening can save large amounts of time as only one hole needs to be cut, helping to dramatically reduce labour and production overheads compared to installing 32 separate traditional cable glands. Tests have further shown that the HD solution can create weight savings of up to 50% and can increase cable capacity by almost twice as much when compared to traditional cable glands. The sealing system can be used across


Ridley, EPC manager for international projects, explains


and brass cable glands; and has also been designed with an AISI 316L acid proof stainless steel frame which will not corrode in harsh environments. In addition, the peelable layer design means the cable seal size can be easily manipulated, giving the designers greater flexibility by not needing to know the final cable specification before beginning installation. Key benefits of the Roxtec HD seal: • Tested and approved for extreme environments (-60˚C to +80˚C).


a broad variety of equipment – from terminal boxes and enclosures to marshalling cabinets, junction boxes, fieldbus boxes and control systems. It has also been designed to meet the key requirements of tightness, retention and corrosion resistance, and provides efficient environmental protection for electrical equipment. Of particular interest to the oil and gas, process and pharmaceutical sectors due to its ability to withstand potentially explosive atmospheres, the product can be used for many different cable types such as smooth, corrugated, armoured and non-armoured within non-hazardous locations such as industrial settings.


A NEW SOLUTION The new certified HD sealing solution is tested and approved for extreme environments from -60˚C to +80˚C, making it ideal for global projects. This cable transit device offers a direct replacement to stainless steel





The ‘High Density’ cable entry system which not only provides environmental


protection, but helps designers and installers save time, space and money


• Simple, single cut-out design for up to 32 cables. • Easy to use with armoured or non-armoured cables. • Complementary web-based design tool available. • Ready and flexible for changing cable schedules.


• Multidiameter by Roxtec – modules with removable layers allow last-minutes changes to varying cable sizes. In a bid to further help designers,


the company also offers free online software through Roxtec Transit Designer. This can be used remotely, removing the time-sensitive and costly process of designing detailed cable configurations. Furthermore, it can be used on touch screen devices and essentially helps designers and engineers select the right sealing solution. With this, it is possible to filter by application, certificate and sealing requirements, enabling the design of a transit in just minutes. It also reduces risk – the project team gets it all right from the start: 3D models, drawings, material lists and installation instructions.


Phil Ridley


Roxtec UK T: 0161 761 5280 www.roxtec.com


DESIGN SOLUTIONS | NOVEMBER 2016 31


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