GUIDE TO EXPLOSION PROTECTION Ex-Agencija’s services: Ex-equipment testing and determination of the explosive properties of flammable media Ex-equipment certification Technical supervision of plants with hazardous area Technical supervision of the quality management in production, repair & overhaul, inspection & maintenance and installation of Ex-equipment Personnel education (Ex-Training) & publishing (Ex-Bilten) Management Systems Certification (ISO 9001; ISO 14001, ...) Ex-Agencija AGENCY FOR EXPLOSIVE ATMOSPHERE Industrijska 25, 10431 Sveta Nedelja - Croatia Phone: + 385 1 3667 260; + 385 1 3667 157; Fax: + 385 1 3667 262 e-mail: [email protected] www.ex-agencija.hr Ex-PROTECTION CONCEPTS CONFORMITY ASSESMENT PRODUCTION - according to Directive 94/9/EC (ATEX95) / Directive 2014/34/EU (ATEX 114) M A R K E T Equipment category M1, 1 and Protective systems Annex III Annex III Annex VIII Annex VIII Annex IV Annex VII Communicate a technical documentation to a Notified Body Annex VI Annex IX Annex IX Annex V Electrical equipment category 2 and M2 and internal combustion engines Conformity assesment annexes III - Type examination (B) IV - Production quality assurance (D) V - Product verification (F) VI - Conformity to type (C) Non-electrical equipment category 2 Equipment category 3 VII - Product quality assurance (E) VIII - Internal control of production (A) IX - Unit verification (G) TECHNICAL SUPERVISION Regulations of minimum safety requirements and worker’s health protection, and technical supervision of plants, equipment, installations and apparatus in hazardous areas (HR OJ No. 39/06, 106/07) TECHNICAL SUPERVISION by authorized body (Ex-Agencija) include EU Directive 1999/92/EC (ATEX 137) PLANTS Area classification (HRN EN 60079-10-1/ -2) Electrical power equipment (HRN EN 60079-0) Electrical instrumentation equipment (HRN EN 60079-0) Electrical installations of power equipment (HRN EN 60079-14) Electrical installations of instrumentation equipment (HRN EN 60079-14) Non-electrical equipment and installations (HRN EN 13463-1) and technical report is issued. ACTIVITIES Repair (HRN EN 60079-19) Installation (HRN EN 60079-14) Maintenance (HRN EN 60079-17) of Ex-equipment and technical report is issued. CATEGORIES / PROTECTION LEVELS / ZONES TEMPERATURE CLASS / GROUP IP - PROTECTION Areas Categories (ATEX) EPL (IEC) Zones Explosive atmosphere Mining - I M1 Ma / / M2 Mb Other than mines - II 1G, 1D Ga, Da 0, 20 Continuosly, long periods or frequently 2G, 2D Gb, Db 1, 21 Likely to occur, occasionally 3G, 3D Gc, Dc 2, 22 Not likely to occur, short period only EPL – Equipment Protection Level Degrees of protection IP-code First numeral Second numeral Description of protection 1 - Protection against solid objects >50 mm (hand protection) 2 - Protection against solid objects >12,5 mm (finger protection) 3 - Protection against solid objects >2,5 mm 4 - Protection against solid objects >1 mm 5 - Dust protected 6 - Dust tight - 1 Protection against vertically dripping water - 2 Protection against dripping water (15° tilted) - 3 Protection against spraying water (angle up to 60°) - 4 Protection against splashing water from any direction - 5 Protection against water jets - 6 Protection against powerful water jets - 7 Temporary immersion (0,15m/1m; 30 min) - 8 Continuous immersion depth >1 m - 9 High pressure water test Temperature Class Maximum Surface Temperature T1 450 °C T2 300 °C T3 200 °C T4 135 °C T5 100 °C T6 85 °C Dust Group IIIA Combustible flyings IIIB Non-conductive dust IIIC Conductive dust Gas Group Representative Gas I Methane IIA Propane IIB Ethylene IIC Hydrogen, Acetylene Type of protection Standard Concept Symbol Category (CENELEC) EPL (IEC) Types of protection of electrical equipment for explosive atmosphere of flammable gases, vapours, mists or dusts (HRN/EN/IEC 60079-0) Flameproof HRN/EN/IEC 60079-1 d M2, 2G M1, 1G, 3G Mb, Gb Ma, Ga, Gc Pressurized HRN/EN/IEC 60079-2 px, py, pz M2, 2G, 3G 2D, 3D Mb, Gb, Gc Db, Dc Powder filling HRN/EN/IEC 60079-5 q M2, 2G Mb, Gb Oil-immersion HRN/EN/IEC 60079-6 o M2, 2G Mb, Gb Increased safety HRN/EN/IEC 60079-7 e M2, 2G 3G (*) Mb, Gb Gc (*) Intrinsic safety HRN/EN/IEC 60079-11 i M1, M2, 1G, 2G, 3G 1D, 2D, 3D Ma, Mb, Ga, Gb, Gc Da, Db, Dc Type of protection ‘n’ HRN/EN/IEC 60079-15 nA 3G Gc nC nR Encapsulation HRN/EN/IEC 60079-18 m M1, M2, 1G, 2G, 3G 1D, 2D, 3D Ma, Mb, Ga, Gb, Gc Da, Db, Dc Protection by enclosures HRN/EN/IEC 60079-31 t 1D, 2D, 3D Da, Db, Dc Special protection IEC 60079-33 s M1, M2, 1G, 2G, 3G 1D, 2D, 3D Ma, Mb, Ga, Gb, Gc Da, Db, Dc Type of protection Standard Concept Symbol Category (CEN) EPL (IEC) Types of protection of non-electrical equipment for explosive atmosphere of flammable gases, vapours, mists or dusts (HRN/EN 13463-1/ IEC 80079-36) Flow restricting HRN/EN 13463-2 fr 3G, 3D / Flameproof HRN/EN 13463-3 d M2, 2G / Constructional safety HRN/EN 13463-5 IEC 80079-37 c M2,1G, 2G, 3G 1D, 2D, 3D Mb, Ga, Gb, Gc Da, Db, Dc Control of ignition sources HRN/EN 13463-6 IEC 80079-37 b M2, 1G, 2G, 3G 1D, 2D, 3D Mb, Ga, Gb, Gc Da, Db, Dc Liquid immersion HRN/EN 13463-8 IEC 80079-37 k M1, M2, 1G, 2G, 3G 1D, 2D, 3D Ma, Mb, Ga, Gb, Gc Da, Db, Dc Pressurized HRN/EN/IEC 60079-2 p M2, 2G, 2D 3G, 3D / (*) Extension of scope in the next edition of standard 45011 - HAA 3115/07 17025 - HAA 1120/07 Ex-MARKS ATEX Marks Ex-symbol Group Category Dust - Flammable - Gas Dust - Flammable - Gas Protection concept Dust Group Gas Group Temperature Class Max. surface temperature II 2 G II 2 D Ex db mb IIB T5 Ex tb IIIC T90°C Gb Db Marking according to standard EPL (IEC) Ex-EQUIPMENT MARKING Logo, manufacturer’s name and address Conformity symbol Type: ABC 825 U n =230 Vac P max = 50W f= 50 Hz T a =-35°C / +50°C Ser. No.: 128-5/09 Notified body (ExNB) identification number if involved in production control Standard ambient temperature (-20°C/+40°C) unless stated on labe ExNB or IECEx CB acronym and certificate number Warning markings Product identification Ratings Use cable suitable for Ts >90°C Use screws with yield stress >800N/mm 2 Symbol of explosion protection Marking of group, category and applied protection concept N&N d.o.o. 10000 Zagreb Splitska, HR II 2(1)G Ex db eb [iaGa] IIC T5 Gb II 2(1)D Ex tb [iaDa] IIIB T95 o C Db 2465 N EXA 15 ATEX1234X IECEx EXA 15.1234X