STN - Slovak standards

Electrical apparatus for explosive gas atmospheres. Part 26: Construction, test and marking of Group II Category 1 G electrical apparatus

Available design: Print design

Explosive atmospheres - Part 26: Equipment with Equipment Protection Level (EPL) Ga

Available design: Print design

Electrical apparatus for explosive gas atmospheres. Part 27: Fieldbus intrinsically safe concept (FISCO) and Fieldbus non-incendive concept (FNICO)

Available design: Print design

Explosive atmospheres. Part 28: Protection of equipment and transmission systems using optical radiation

Available design: Print design

Explosive atmospheres. Part 29-1: Gas detectors. Performance requirements of detectors for flammable gases

Available design: Print design

Explosive atmospheres. Part 29-2: Gas detectors. Selection, installation, use and maintenance of detectors for flammable gases and oxygen

Available design: Print design

Explosive atmospheres. Part 30-1: Electrical resistance trace heating. General and testing requirements

Available design: Print design

Explosive atmospheres. Part 30-2: Electrical resistance trace heating. Application guide for design, installation and maintenance

Available design: Print design

Výbušné atmosféry. Časť 31: Ochrana zariadenia pred vznietením prachu pomocou uzáveru "t" (Norma na priame používanie ako STN).

Available design: Print design

Explosive atmospheres.Part 31:Equipment dust ignition protection by enclosure "t"

Available design: Print design