This document provides information on GOST 30852.11-2002, which is the Russian standard for the classification of mixtures of gases or vapors with air according to their maximum experimental safe gaps and minimum igniting currents. The standard establishes classifications for mixtures based on testing to determine the largest safe gap and smallest current needed for ignition. Please contact Russiangost.com for a copy of this standard in your preferred language. They provide electronic and hardcopy versions of Russian standards and regulations translated into multiple languages.

1. GOST 30852.11-2002
Explosionproof electrical apparatus. Part 12. Classification of mixtures of gases or vapours with air according to their maximum
experimental safe gaps and minimum igniting currents
ГОСТ 30852.11-2002
Электрооборудование взрывозащищенное. Часть 12. Классификация смесей газов и паров с воздухом по безопасным
экспериментальным максимальным зазорам и минимальным воспламеняющим токам
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