Tank blanketing prevents a stored liquid from vaporizing into the
atmosphere, reduces liquid combustibility and prevents oxidation or
contamination of the liquid by reducing its exposure to air. This
process is used in various products, such as adhesives, pharmaceuticals,
pesticides, fertilizers, fuels, inks, and food additives.
The
Type T205B balanced tank blanketing regulator is a direct-operated
regulator with fully balanced plug design to reduce inlet pressure
sensitivity and with a large diaphragm to accurately control tank
pressure at low pressure settings on tank blanketing systems. It uses a
control line to sense the pressure in an enclosed storage tank. The Type
T205B maintains a slightly positive pressure and thereby reduces the
possibility of tank wall collapse during pump out operation.