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Certificate of Conformity of the Technical Regulation of the Customs Union "On safety of equipment intended for use in explosive atmospheres" (TR CU 012/2011)

Technical regulation TR CU 012/2011

List of standards based on which the compliance with the Technical Regulation of the Customs Union «On safety of equipment intended for use in explosive atmospheres» (TR CU 012/2011) will be provided

List of standards containing rules and methods of investigations (tests) and measurements, including the rules of sampling required to implement and enforce the requirements of the Technical Regulation of the Customs Union «On safety of equipment intended for use in explosive atmospheres» (ТР ТС 012/2011) and conformity assessment of products

This Technical Regulation of the Customs Union sets out the requirements to equipment intended for use in explosive atmospheres, the compliance with which provides its safe use in explosive atmospheres.

Depending on the special measures applied to prevent ignition of the surrounding explosive atmosphere one type or combination of several types of explosion protection may be applied to:

1) electrical equipment intended for use in explosive gas atmospheres:

"d" - flameproof enclosure;

"e" - increased safety;

"i" ("ia" , "ib", "ic") - intrinsic safety (intrinsically safe electric circuit);

"m" ("ma", "mb", "mc") - encapsulation by compound;

"nA" - нnon-sparking equipment;

"nC"- enclosed-break devices, hermetically-sealed device or non-incendive components producing arcs, sparks or hot surfaces;

"nR"- restricted-breathing enclosure;

"nL"- energy-limited apparatus;

"nZ"- pressurized enclosure;

"o" - oil immersion;

"p" ("px", "py", "pz") - pressurization;

"q" - powder filling;

"s" - special protection;

2) electrical equipment intended for use in explosive dust atmospheres:

"t" ("ta", "tb", "tc") - protection by enclosure;

"i" ("ia", "ib") - intrinsic safety (intrinsically safe electric circuit);

"m" ("ma", "mb", "mc") - encapsulation by compound;

"p" - pressurization;

"s" - special protection;

3) non-electrical equipment intended for use in explosive atmospheres:

"c" - protection by constructional safety;

"b" - protection by control of ignition source;

"k" - protection by liquid immersion;

"d" - protection by flameproof enclosure;

"fr" -protection by flow restricting enclosure;

"p" - pressurization;

4) other recognized types of explosion protection.

Manufacturer (person authorized by the manufacturer), importer submits to the certification (conformity (confirmation) assessment) body a set of the documents for equipment to confirm compliance of equipment with explosion safety requirements of this Technical Regulation of the Customs Union, including:

The main typical certification schemes are the following::

,

Scheme numberTests of the productProduction inspectionSurveillance auditApplicabilityDocument of Conformity
Tests of the product samples Analysis of the production status Tests of product samples and (or) analysis of the production status For series-produced equipment. An applicant- manufacturer including foreign one, which has an authorized manufacturer's representative on the territory of the Customs Union Certificate of Conformity for series-produced equipment
Tests of the product samples - - For a batch of equipment (unit equipment). An applicant- seller (supplier), a munufacturer, including foreign one Certificate of Conformity for a batch
Tests of unit product - - For a batch of equipment (unit equipment). An applicant- seller (supplier), a munufacturer, including foreign one Certificate of Conformity for a unit product

The applicant under certification scheme 1c, 3c, 4c can be a legal or an individual person as an individual entrepreneur or a manufacturer, or functioning as a foreign manufacturer on the basis of the contract with him as regards to ensuring compliance of the supplied products to the requirements of this Technical Regulation and bearing responsibility for non-compliance of the supplied products to the requirements of this Technical Regulation of the Customs Union (person, functioning as a foreign manufacturer), registered on the territory of the Member State in accordance with the law of the Member State of the Customs Union.