what type of fittings are allowed in a class2 division 1 hazard area
Division 1.1
division 4.1 is flammable solids
In the context of hazardous material (dangerous goods) a division or class is a number identifying the hazard category of a hazardous material (dangerous good). There are nine hazard classes, several of which are subdivided into divisions.
fragmentation
In hazardous materials classification for transportation, Class 2, division 2 (more properly called Division 2.2) is for non-flammable gasses.
A hazardous material that is a flammable solid is classified in Division 4.1
It is the hazard group for spontaneously combustible materials.
In the context of hazardous material (dangerous goods) a division or class is a number identifying the hazard category of a hazardous material (dangerous good). There are nine hazard classes, several of which are subdivided into divisions.
In the DOT system for classifying hazardous materials in transportation, Class 2, Division 1 (more properly called Division 2.1) is for flammable gases, usually compressed flammable gases.
Class 2 division 1, more properly called division 2.1, is for flammable gasses.
There is no such thing as a Class 3.1, or a Division 3.1 in the DOT scheme of classifying hazardous materials. The International Maritime Dangerous Goods Code used to use a Division 3.1 for the most flammable of flammable liquids, but that was removed from the code more than 10 years ago. At present, hazardous materials may be described simply as "Class 3" if they meet the definition of flammable liquids.
DOT class 6 includes:Division 6.1 - Poisonous materialsDivision 6.2 - Infectious substanceDOT Class 6 materials are:Division 6.1 - Poisonous materials Division 6.2 - Infectious substance