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Existing industrial ammonia production installations operating in potentially explosive atmospheres usually contain a wide range of explosion protection concepts implemented during different stages of plant modernization and expansion. In such brownfield installations, the coexistence of equipment originating from different technological periods often leads to a non-uniform distribution of protection concepts at installation level. This aspect is particularly relevant for industrial sectors associated with oil and...

Hydrogen is a promising energy carrier for future low-carbon systems, but its high flammability, wide explosion range, and low ignition energy present significant safety challenges. This paper proposes an integrated ATEX-based risk assessment methodology specifically designed for hydrogen storage and utilization systems. The methodology combines regulatory requirements, including EN 1127-1:2019, with a hydrogen-specific risk matrix, ATEX zone classification, and operational risk mitigation measures. A high-pressur...

Electrical installations in spaces classified as being in danger of explosive atmospheres have special characteristics to correspond to operation in such atmospheres. For safety reasons in these areas, it is essential that during the lifetime of these installations, the integrity of these special characteristics be maintained. The assessment of explosion-protected electrical equipment within the scope of certification is of paramount importance in view of the risk of explosion which must be minimized to ensure the...

The flameproof enclosure type of protection is a safety method designed to prevent the ignition of an explosive atmosphere in hazardous environments. It involves enclosing components that may generate sparks, electrical arcs, or high temperatures within a robust, explosion-resistant housing. This enclosure is engineered to withstand the pressure generated by an internal explosion of a flammable gas mixture, ensuring that the explosion does not propagate to the surrounding atmosphere. This type of protection is par...

The certification requirements for electrical equipment used in potentially explosive environments are outlined in EU Directive 2014/34. In order to certify electrical equipment used in potentially explosive environments, the EU has set requirements. Certification and compliance requirements are outlined in EU Directive 2014/34. All electrical equipment used in potentially explosive environments must abide by this guideline. Electrical equipment makers and their authorized representatives are subject to the direct...

Electrical equipment that operates in a potentially explosive atmosphere, have characteristics specially designed for operation in this area. For security reasons, it is essential that the integrity of these special features be preserved in these areas throughout the life of the installation. Using electric equipment in potentially explosive atmospheres brings forward several particularities therefore the problems that appear during the design, construction and operation of electrical devices and installations bri...

Evaluation of explosion-proof protected electrical equipment in scope of certification is extremely important considering the risk of explosion that has to be minimized in order to ensure life safety and health of workers and to prevent damaging of property and the environment, as well as free movement of goods when they meet the essential safety requirements at European level. Electrical equipment that operates in potentially explosive atmosphere, have characteristics specially designed for operation in this area...

The paper aims to address what types of protection can be applied to galvanic elements and batteries that are used in potentially explosive atmospheres. In order to keep electrical equipment in operation in environments with potentially explosive atmospheres under harsh conditions, including galvanic elements and batteries, a certain type of protection must be applied for safe operation. The types of protection applied to galvanic elements and batteries are made in accordance with EN 60079-0 and in compliance with...

The use of electrical equipment in potentially explosive atmospheres requires special attention, namely from the point of view of their construction and maintenance. Together with the technological developments, these objectives can easily be met, objectives which are defined by European standards concerning the construction, use and maintenance of explosive proof equipment. Evaluation of explosion-proof protected electrical equipment in scope of certification is extremely important considering the risk of explosi...

In the paperwork are presented aspects regarding uncertainty involved in the process of spark ignition assessment for intrinsically safe equipment. In the first part of the paper was presented the explosion risk. In the field of power generation and also, in a lot of other fields of industrial activities, the occurrence of flammable substances is a common fact. As a consequence, an explosion risk can occur. On the other hand, the installations placed in areas endangered by presence of flammable substances should b...

The paper aims to address the importance of inspection and maintenance of electrical equipment used in liquefied petroleum gas car filling stations. In order to maintain in operation the electrical equipment in environments with potentially explosive atmospheres under harsh conditions, the personnel involved in inspection and maintenance activities must be trained in such a way as to know the operation of these electrical equipment with different types of protection and how to perform their maintenance. Inspection...

The evaluation of explosion-proof electrical equipment for certification is particularly important given the risk of explosion and must be minimized. This in order to ensure the safety of life, health of workers, to prevent damage to goods and the environment when they meet the essential security requirements at European level. Directive 2014/34 / EU states that equipment used in explosive atmospheres must be designed to operate without endangering the environment for which it is intended. This paper deals with th...

Most of the equipment operating in potentially explosive atmospheres in oil and gas industry is represented by electric motors, which in most situations act on various other elements (e.g. pumps, valves, fans etc.). Evaluation of explosion-proof protected electrical equipment in scope of certification is extremely important considering the risk of explosion that has to be minimized in order to ensure life safety and health of workers and to prevent damaging of property and the environment, as well as free movement...

Evaluation of explosion-proof protected electrical equipment in scope of certification is extremely important considering the risk of explosion that has to be minimized in order to ensure life safety and health of workers and to prevent damaging of property and the environment, as well as free movement of goods when they meet the essential safety requirements at European level. The standards SR EN 60079-0 (Explosive atmospheres. Part 0: Equipment. General requirements) and one or more of the standards containing t...

Evaluation of explosion-proof protected electrical equipment in scope of certification is extremely important considering the risk of explosion that has to be minimized in order to ensure life safety and health of workers and to prevent damaging of property and the environment, as well as free movement of goods when they meet the essential safety requirements at European level. The purpose of this paper is to present aspects regarding the importance of thermal endurance tests performed on the electrical equipment ...

This paperwork is based on the data emerged from a conducted research related to a moisture influence on ignition sensitivity of air-methane gas mixture. For the purpose of this demarche it were used method of signal processing approach as it is data filtering and mathematical transform of the experimental data. In the first part of the paper, it was presented the spark test apparatus used for the experimentation and the results of the experimental data obtained during the tests with mixture air-methane and moistu...

Evaluation of explosion-proof protected electrical equipment in scope of certification is extremely important considering the risk of explosion that has to be minimized in order to ensure life safety and health of workers and to prevent damaging of property and the environment, as well as free movement of goods when they meet the essential safety requirements at European level. The purpose of this paper is to present the tests carried out on the cable entries with type of protection increased safety and flameproof...