Shipbuilding

Shipbuilding industry

The shipbuilding sector is one of the most important and complex in the world economy, in particular as regards maritime transport.

Merchant transport is a fundamental component of the transport infrastructure, both in inland and maritime waters, and is essential in world trade, since it is through the sea that fuels, natural resources, chemicals, agricultural products and consumer goods travel, coming from producer countries and directed to consumer countries placed between them at the most disparate distances.

The three elements on which it is based

This system is essentially based on three elements:

  • the ports, which constitute the terminals where the goods converge, which must be equipped with all the necessary systems for loading/unloading the goods (docks, loading cranes, storage areas, handling vehicles and customs) and to satisfy the needs of arriving and departing ships (assistance vehicles, refueling facilities, maintenance basins)
  • merchant ships, freighters, LNG carriers transporting goods and fuel from the port of departure to the port of destination
  • interconnections with terrestrial networks, through which goods can be sorted to and from the hinterland.

Cortem Group marine products offer high performance and reliability in harsh conditions. They have excellent protection from impacts and corrosion caused by saltwater splashes, ensuring a high level of safety maintained in the long term.

Success Stories

EVL-60B series floodlights installed on a Fast Yacht Support Vessel of DAMEN Dutch Shipbuilder

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Related product categories

Lighting Fixtures
Junction Boxes
Signalling equipment
Plugs and sockets
Control and command equipment
Cable glands
Elettrical Fittings
Aspirators

Additional information

The history of explosion-proof protection modes - Part III

In the United States, the path that led to the development of equipment suitable for use in areas at risk of explosion has followed an almost parallel path to Europe, addressing the issue first in the mining industry and then extending it to electrical devices in the NEC. The use of still current techniques demonstrates how much the more traditional methods of protection can boast a history of reliability and safety spanning more than a century.

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Direct and indirect entrances into explosion-proof electrical systems

The systems are mainly divided into systems with metal protective conduits and cable systems. The various devices require cable entries suitable for the type of protection used. The type of cable entry may appear to be a mere theoretical argument, but it has a decisive impact on the safety level of the system.

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The 'Ex d' protection method electrical cable installation and cable gland selection criteria

The most used entry systems are: entry with sealing fitting, cable entry with Ex barrier cable gland, cable entry with Ex cable gland with sealing ring. When we talk about electrical systems with electrical cable installation, entries are made using a cable gland, which can be of two types: barrier or with sealing ring.

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The ‘Ex d’ protection method: electrical conductors in metallic protective tube

In sites where there is a risk of the formation of an explosive atmosphere, we often find the electrical conduit in a metal protective tube (also called conduit conduit). Although it has recently been joined by more versatile armored and non-armored cable systems, with cable gland entry, its use is recommended in plants where production or use and maintenance activities can present dangerous situations for the integrity of the cables.

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The history of explosion-proof protection modes - Part II

Today we define the methods of protection as techniques that are made available to us by harmonized standards, to satisfy the Essential Health and Safety Requirements. It appears clear how the first decades of the twentieth century proved to be fundamental for the development of the techniques underlying the current methods of protection.

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The ‘Ex d’ protection method: the function of the conduit sealing fittings

Sealing fittings are often considered only as secondary or minor components, but the safety of an installation with metal electrical conduits and related explosion-proof enclosures depends on them. The main function of a conduit sealing fitting is to prevent the propagation of an explosion from the inside of the ‘Ex d’ flameproof enclosure to the outside.

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The history of explosion-proof protection modes - Part 1

Nowadays, the classification in an area at risk of explosion concerns many sectors of the industry and includes the use of the most diverse equipment. This great variety of devices and applications must not make us forget that the origin of explosion risk containment techniques lies down there, in those dark mines where it all began.

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The 'Ex d' type of protection: explosion-proof joints

Explosion-proof joints are one of the basic aspects of the protection offered by an equipment or an explosion-proof enclosure. For this reason, understanding their function is a prerequisite for the correct use and the proper maintenance of all electrical devices that adopt this type of protection.

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The method of protection ‘Ex d’: general aspects

The 'Ex d' type of protection, now referred to as 'Ex db', is based on a simple theoretical concept: containment by means of a sturdy casing and flame retardancy. Its success is due to this simplicity, it is in fact one of the first methods of protection developed in the mining industry and still today it is one of the most widespread in areas classified for potentially explosive atmospheres.

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Atex Directive 2014/34 / EU: legislation and state of the art

A fundamental principle of the ATEX Directive 2014/34 / EU, shared with the other Union directives, is the limitation of legislative harmonization to essential health and safety requirements of public interest. Within this legislative harmonization, a role of primary importance is played by the harmonized technical legislation and the concept of the state of the art. The ATEX Directive refers to this concept as a requirement requested of manufacturers.

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The explosion-protection methods of protection: basic concepts

ATEX device's manufacturers use different types of protection to achieve a certain EPL. These methods of protection are constantly evolving both technical and regulatory. In any case, the most used are those that have established themselves historically.

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The EPLs and the main methods of protection

Each equipment that must be installed in an ATEX classified area must have a certain level of protection, indicated in the legislation with the acronym EPL (Equipment protection Level). The level of protection is obtained by applying technical regulations that define the protection methods. There are many ways of protection, some have a historical origin, others are more recent...

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New GRDE-4200 increased safety electronic grounding system

Protection during the loading and unloading operations of liquids and dry inert material

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Cortem Group certifies its enclosures installed in the “Hook release controller HRC" equipment for modern mooring systems

Cortem Group has certified the ‘Hook Release Controller HRC’ equipment, a release control device consisting of a control unit and from 1...

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Oil & gas

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Mining

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