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Stainless Steel Tank Terms
– The amount of force the
atmosphere exerts upon the surface of the earth, measuring 14.7 psi at
sea level. A tank that holds substances at pressure levels greater than
14.7 psi is considered a pressure
vessel, while a tank that holds substances
at pressure levels lower than 14.7 psi is considered a vacuum.
– Fracture of certain steels associated with exposure
to very low temperatures, often in circumstances in which stress levels
have not exceeded yield strength.
– Fixtures that provide an efficient
and effective way of cleaning a tank without taking it apart. CIP fixtures
include sprayballs, dishes and T-balls.
– A
number given to pressure vessels shipped to Canada.
– A stainless steel coating applied to a lower-alloy steel
to increase corrosion resistance. Cladding costs less than using stainless
steel exclusively and can be applied by pouring, welding or coating.
– An increase in vessel shell thickness designed
to compensate for the corrosion and abrasion of certain pressure vessels.
Protective coatings and linings are also added to pressure vessels to
prevent corrosion.
– Permanent deformation of steel caused by strength reduction
resulting from exposure to high temperatures.
– A type of stainless steel comprised of austenic
and ferretic steel, the combination of which is stronger than either
of the individual metals. Duplex steels are extremely corrosion and crack
resistant.
– The removal of imperfections on the surface
of stainless steel by dissolving the steel in a solution of electrolytes
through which a current of electricity travels.
– Federal organization responsible
for the regulation of food, drugs, medical equipment, cosmetics, etc.
The FDA also regulates the storage of such products and maintains standards
for stainless steel tanks used in applications involving these products.
– The build-up of deposits comprised of marine organisms
that occurs on submerged metal surfaces.
– A measurement of the thickness of steel.
– Access port to the internal region of the tank or pressure
vessel.
– Worldwide standard for pressure
vessel inspection, alteration and repair.
– Unit
that measures the amount of pressure applied to an object. Psi reflects
the amount of pressure under
which a pressure vessel substance remains.
– The piping systems between pipes that are interconnected
and able to be cleaned.
– Type of steel containing 10 to 12 percent of
chromium. Stainless steel is a common choice for tanks because of its
corrosion and temperature resistance.
– Federal organization
regulating many aspects of the agricultural industry. The USDA regulates
food supply and promotes the safe processing and storage of meat, dairy
products, etc., and maintains strict standards for stainless steel sanitary
and dairy tanks.
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