particularly important in situations in which a hose needs to be reeled, when the REElINE type of hose is ideal. These hoses can be used in both submarine and floating situations; environments that would be too challenging for a nipple hose.

Additional innovations can come from examining the context in which a hose will function. Trelleborg engineers identified that, in high-traffic areas, hoses may need to switch between floating and submerged modes to allow traffic to pass. Secondly, it is often necessary to adjust the shape of a submarine line under a Calm Buoy to accommodate density changes in the conveyed fluid. To address these issues, Trelleborg developed adjustable buoyancy modules that can be placed along the hose line at any point, maintaining the ideal shape and configuration of the hose to minimize loads and fatigue, and improve safety and service life.

Suppliers must support projects throughout their execution to ensure that the highest safety standards are upheld, as well as guaranteeing the benefits of proper lifecycle management. This approach includes on-site inspection and testing for requalification,

hose maintenance and inspection programs, and on-site repairs to ensure that hoses are not only performing correctly, but are meeting the required standards in safety and quality. This may need inspections, tests on site or in the factory such as OCIMf and burst tests, or ageing analysis of the components such as adhesion tests or elastomer property analysis.

In addition to inspections and testing, manufacturers and suppliers can ensure safety by working on best practices for storing and handling hoses. The sensitivity of rubber to elements such as ozone, ultraviolet rays, humidity, and heat requires the following some simple storage rules to protect the product against ageing. Storage time should be minimised, and hoses should be kept away from sources of aging acceleration (such as lamps or mercury vapour tubes, high voltage electrical equipment, and solvents). Hoses and hose assemblies must lie unconstrained, and piling should be limited whenever possible.

Careful design and a collaborative approach to maintenance can deliver significant benefits in terms of lifecycle cost and efficiency. Moreover, this should be augmented by access to a choice of solutions.

By working with suppliers to identify the right product and creating best practices for handling, storage, and maintenance, companies will be sure they are operating safely, while also delivering to the new 2017 mantra of instigating cost-efficiency measures, even in the most challenging environments and hazardous areas.


Installation of a REELINE submarine line.


REELINE Floating hoses.


On Stand A9, Hall 1 at OMC, the Offshore Marine Conference, Ravenna, Italy 29 – 31 March 2017, E2S Warning Signals, the world’s leading independent manufacturer of ATEX and IECEx approved audible and visual warning signals, are presenting the latest developments in their extensive range of explosion proof, hazardous location and intrinsically safe audible and visual warning devices for the onshore and offshore oil and gas industry. Amongst the new product releases will be the DNV approved and MED compliant signals for fire and general signalling use in marine applications.

For corrosive environments E2S will be showcasing their ‘STEx’ family of IECE and ATEX approved warning signals, call points and junction box, all featuring 316L stainless steel

enclosures. Also on show are the ‘GNEx’ GRP enclosure warning signals, call points and junction box which are IECEx, ATEx & EAC Ex approved for Zone 1, 2, 21 and 22.

Additional audible and visual warning signals include the ‘D1x’ family , approved for Class I/II Division 1, Zone 1 and Zone 20 environments and the compact, high performance ‘D2x’ and ‘E2x’ signals, globally approved to Ul, cUls, ATEx & IECEx standards for Division 2 and Zone 2 and 22 applications.

For 25 years (since 1992) E2S Warning Signals have specialised in the design and manufacture of high performance audible and visual signals for commercial, industrial, marine and hazardous locations. The head office and manufacturing operations are located in london, UK with extensive facilities for design, manufacture, quality assurance, testing and

March 2017 | | p37

dispatch along with a customer service centre serving global markets. Additionally, a dedicated distribution hub and sales operation is based in Houston, Texas principally serving North and South America.

The stand is manned by Richard O’leary, E2S Business Development Manager and fabio D’Errico, from CONTACTA sas, representative agent for E2S in Italy.

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