Hivatkozási szám

MSZ EN ISO 80079-36:2016

Dokumentumazonosító

663633

Cím

Robbanóképes közegek. 36. rész: Robbanóképes közegekben használt nem villamos berendezések. Alapmódszer és követelmények (ISO 80079-36:2016)

Angol cím

Explosive atmospheres. Part 36: Non-electrical equipment for explosive atmospheres. Basic method and requirements (ISO 80079-36:2016)

Alkalmazási terület

This part of ISO/IEC 80079 specifies the basic method and requirements for design, construction, testing and marking of non-electrical Ex equipment, Ex Components, protective systems, devices and assemblies of these products that have their own potential ignition sources and are intended for use in explosive atmospheres. Hand tools and manually operated equipment without energy storage are excluded from the scope of this standard. This standard does not address the safety of static autonomous process equipment when it is not part of equipment referred to in this standard. NOTE 1 Static autonomous process equipment includes items such as tanks, vessels, fixed pipework and hand operated valves which do not have their own source of energy that could create a potential ignition source during operation. This standard does not specify requirements for safety, other than those directly related to the risk of ignition which may then lead to an explosion. The standard atmospheric conditions (relating to the explosion characteristics of the atmosphere) under which it may be assumed that equipment can be operated are: • temperature -20 °C to +60 °C; • pressure 80 kPa (0,8 bar) to 110 kPa (1,1 bar); and • air with normal oxygen content, typically 21 % v/v. Such atmospheres can also exist inside the equipment. In addition, the external atmosphere can be drawn inside the equipment by natural breathing produced as a result of fluctuations in the equipment’s internal operating pressure, and/or temperature. NOTE 2 Although the standard atmospheric conditions above give a temperature range for the atmosphere of - 20 °C to +60 °C, the normal ambient temperature range for the equipment is -20 °C to +40 °C, unless otherwise specified and marked. It is considered that -20 °C to +40 °C is appropriate for most equipment and that to manufacture all equipment to be suitable for a standard atmosphere upper ambient temperature of +60 °C would place unnecessary design constraints. NOTE 3 The requirements of this standard can also be helpful for the design, construction, testing and marking of equipment intended for use in atmospheres outside the validity range stated above. In this case however, the ignition hazard assessment, ignition protection provided, additional testing (if necessary), manufacturer’s technical documentation and instructions to the user, clearly demonstrate and indicate the equipment’s suitability for the conditions it may encounter. It is also recognized that changes in temperature and pressure can have a significant influence on characteristics of the explosive atmosphere, such as ignitability. This part of ISO/IEC 80079 specifies the requirements for the design and construction of equipment, intended for explosive atmospheres in conformity with all Equipment Protection Levels (EPLs) of Group I, II and III. NOTE 4 It is not unusual for equipment designed and constructed in accordance with this standard for a particular EPL to be used in areas requiring an EPL with a higher level of safety by including the application of additional measures. Such measures include for example inerting, suppression, venting or containment or for example by dilution, drainage, monitoring and shut-down. Such measures are outside the scope of this standard. This standard supplements and modifies the general requirements of IEC 60079-0, as shown in Table 1. Where a requirement of this standard conflicts with a requirement of IEC 60079-0, as far as applicable for non-electrical equipment, the requirement of this standard takes precedence. This standard is supplemented or modified by the following standards concerning specific types of protection: – ISO 80079-37, Explosive atmospheres – Part 37: Non-electrical equipment for explosive atmospheres – Non-electrical type of protection constructional safety "c", control of ignition source "b", liquid immersion "k" – IEC 60079-1, Explosive atmospheres – Part 1: Equipment protection by flameproof enclosures "d" – IEC 60079-2, Explosive atmospheres – Part 2: Equipment protection by pressurized enclosures "p" – IEC 60079-31, Explosive atmospheres – Part 31: Equipment dust ignition protection by enclosure "t" The nature and ignition sources of non-electrical equipment shall be considered when applying types of protection "d", "p", or "t" on non-electrical equipment (see Annex G). Táblázat

ICS

13.230 Robbanás elleni védelem

29.260.20 Robbanásveszélyes környezetek villamos készülékei

Műszaki Bizottság

A szabvány nyelve

angol

Az érvényesség kezdete

2016-09-01

Forrás

idt ISO 80079-36:2016; idt EN ISO 80079-36:2016; idt ISO 80079-36:2016/Cor 1:2019; idt EN ISO 80079-36:2016/AC:2019

Előd

MSZ EN 13463-1:2009

Utód

Módosítás

Kiegészítő információk

SZK-közlemények

2020/04: Helyesbítés

Kapcsolódó európai jogszabály

2014/34/EU (ATEX14); 94/9/EK; (ATEX94); 2014/33/EU (LIFT14); 95/16/EK; (LIFT95)

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