Welded steel apparatus Type B

Apparatuses are cylindrical vertical vessels equipped with or without internal devices, designed for receiving, storing and dispensing of liquid media, liquefied hydrocarbon and gaseous media, including crude and commercial oil, diesel fuel and fuel oil, as well as for carrying out various physical and chemical processes in technological installations of gas, oil, oil refining, petrochemical and other industries, operating under overpressure, vacuum with residual pressure not lower than 665 Pa (5 mm Hg. Hg) or without pressure (under filling). The apparatuses are equipped with process fittings and hatches, supports - struts, legs or cylindrical supports. Climatic execution and category of placement of apparatuses - ?1, ?2 and ??1 GOST 15150.