Explosion-proof engines Umeb ASA-VF .

Explosion-proof electric motors of the brand UMEB The ASA-VF series are used in enterprises of the coal, chemical, and steel industries and metallurgy. They are used in all cases when production process technologies involve risks of formation of an explosive combination of gases, vapors or dust, or to put it another way, "explosive environment". As a rule, the term "explosive environment" refers to an explosive mixture of gases and vapors with air classified in categories IIA, IIB, IIC, according to GOST R 51330.11 and flammability groups T1, T2, T3 and T4 according to GOST R 51330.5. In turn, explosion safety is ensured by explosion protection of category "d", which implies an explosion-proof shell of the electric motor housing, according to GOST R 51330.1. Further, the letter "x" in the marking designation means that when installing the electric motor, additional measures are provided for securing cables in order to exclude their stretching, twisting and their departure from the cable entries.