In the protection of premises belonging to the explosion-hazardous category (categories A and B for NPB 105-95 and explosive areas for PUE), the equipment that is part of the installation when it is located in the protected area must have an explosion-proof design.
For the protection of explosive objects , Buran-8vsr modules with level and type of protection 1ExiallBT4 X and 1ExdllBT4 X are produced.
For the protection of explosive objects , Buran-8vsr modules with level and type of protection 1ExiallBT4 X and 1ExdllBT4 X are produced.
Two models of Buran-8vsr are produced :
- “Buran-8Uvzr” universal, ceiling mount for premises with a ceiling height of 2.5 to 6 m. It is issued in place of the similar products that have been withdrawn from production – Buran-8Svvzr and Buran-8Vvzr;
- “Buran-8Nvzr” wall mount, providing a powder cloud in the horizontal direction at a distance of up to 8 m. For this module, the height of the ceiling of the room is no longer taken into account.
The Buran-8vsr modules are used for the protection of gas and oil refining facilities, gas stations and AGDS, lacquer and paint stores, paint preparation departments and paint booths, pumping rooms for pumping petroleum products, various shops and premises with explosive production, etc.
Modules with level and type of protection 1ExiallBT4 X and 1ExdllBT4 X are used for the protection of explosive areas in which substances and materials of category IIB and group T4 are treated according to PUE (Table 7.3.3.): Acetone, propane, butane, all types of gasolines, kerosene , various solvents, and the like. More detailed information on the categories and groups of substances and materials and, accordingly, the applicability of the Buran modules can be determined from Table. 7.3.3. Electrical installation rules chapter 7.3. «Installations in hazardous areas» .