News from Trolex Engineering

Introduction of IECEx Scheme

27/8/2015

The IECEx Scheme, The International Electrotechnical Commission (IEC) System for global certification to standards for electrical equipment in hazardous locations, plays an important role in the global certification of hazardous location equipment. The Scheme seeks to simplify and advance the export of equipment through its harmonized international standards, facilitating global trade and international growth in hazardous locations like oil and gas sites.

It is a certification system which verifies compliance with IEC international standards relating to safety in hazardous areas. It covers equipment, service facilities and the competency of personnel. IECEx provides an internationally accepted means of proving compliance with these standards and means products can be supplied to the market without the need for additional tests.

All our TX47XX range of products are all certified to IECEx Standards. The TX4799 FPSO Slip Ring was our first IECEx-certified slip ring, which was approved in February 2008.

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Introduction of ATEX Standards

20/8/2015

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The aim of Directive 94/9/EC is to allow free trade of ‘ATEX’ equipment and protective systems within the EU by removing the need for separate testing and documentation for each Member state.

In Great Britain, the requirements of the Directive were put into effect on 1st March 1996, through BIS Equipment and Protective Systems Intended for Use in Potentially Explosive Atmospheres Regulations 1996 (SI 1996/192).

Since 1st July 2003, it has been mandatory under EU Law that all equipment for use in a potentially explosive atmosphere must conform to specific safety standards.

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Looking at Other Products...

17/8/2015

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Obviously, slip rings are a key element of our company. However, we are able to offer other products to complement the slip rings.

These include:

- Fibre Optic Rotary Joints (FORJ’s)
FORJ’s are the optical equivalent of the electrical slip ring. They are passive devices, which allow for the low-loss transfer of single or multi-mode signals, through rotating interfaces, using optical technology.

- Ex d Connectors
Versatile, high-quality multi-pin connectors for offshore and petrochemical plants, for incorporation with slip rings and junction boxes.

- Cable Reels
For use on high pressure off-loading tankers for control and grounding, crane boom extensions and mast extensions, these robust devices are designed to allow the supply cable to be paid out and reeled in automatically.

- Junction Boxes
Our range of Ex d Junction Boxes are supplied in 316 Stainless Steel, but have an option of coated mild steel.

- Fluid/Gas Swivels
Our range of fluid/gas swivels are stainless steel and are suitable for offshore winch applications.

For further details on any of our products, please contact us.

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Our First Slip Ring for FPSO Applications

12/8/2015

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We have been designing, manufacturing and assembling slip rings for FPSO applications since 1992. The first slip ring we produced for this application was the TX4790, which was ordered in July 1992.

The unit was certified to ATEX Standards by Baseefa in February 1993, and conformed to the requirements of EN 50 014 (1977), EN 50 018 (1977) and EN 50 019 (1977).

The TX4790 being built in 1992

Today, we continue to design and manufacture a range of units to suit these applications. Now, they are typically built using electrical slip rings combined with fibre optic rotary joints, providing uninterrupted delivery of electrical power and signals, alongside fibre optic signals, in hazardous areas.

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Introduction of IECEx Scheme

Introduction of ATEX Standards

Looking at Other Products...

Our First Slip Ring for FPSO Applications

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