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Paint, Ink, and Latex
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The presence of “fish eyes” (lumps of un-disolved resin), skins,
and clumps of pigment is a perpetual problem. They are hard to detect
and can spoil a batch run. Basket strainers are used to remove all of
them.
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Refrigeration
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Brine lines can pick up dirt or corrosion products from action of the
salt. Basket strainer form an important part of the piping systems in
refrigeration plants to keep the brine clean.
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Food Industry
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Basket strainers are used to remove traces of grape skins and seeds
from wine and to remove bits of pulp, skins, or other unwanted matter
from fruit juices. They are used to take out lumps from
chocolate syrup and wax from honey. The Baking Industry strains bone
and gristle from molten lard with basket strainers and also uses them
to remove bits of dough, seed, etc., from water they discharge into
sewer systems to conform to environmental regulations.
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Marine Industry
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Basket strainers are used in the Marine Industry for many purposes.
One of the most important is handling sea water in cooling lines, fire
control lines, sanitary lines, and general cleaning lines. This water
comes from outside the ship and can contain a good deal of undesirable
matter. Strainers are used on board ships to clean fuel, hydraulic and
lubricating systems.
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Process Equipment
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Expensive equipment is often protected against damage from scale,
dirt, by-products, etc., or from costly shutdown due to the presence
of these materials by installing a basket strainer ahead of them in
the line. Heat exchangers, condensers, and pumps use strainers on
their intake sides. Flow meters and spray nozzles are kept from
clogging by basket strainers.
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Electric Utilities
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Strainers are used in the Power Industry to clean water and to protect
equipment as descried above. They also screen transformer oil to avoid
clogging of the circulating lines.
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Pulp and Paper
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The problem of unseen lumps in coatings in the paper industry is an
ever present one. Smooth paper finishes require that coating be free
of undispersed clumps of pigment. Basket strainers in the coating
lines catch and hold the lumps. They are also used to clean trances of
pulp or paper from white water effluent before it is discharged into
the environment.
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Ceramics
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Just as the paper industry needs lump free coating the Ceramic
Industry does also. The presence of unwanted solid particles in
glazes, for example, can mean rejection of a product. Basket strainers
are installed just ahead of glaze spray equipment to prevent this.
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Transportation
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A basket strainer installed on a tank truck or rail car which must
dispense liquids, can catch solid material which is not wanted. Many
chemical products undergo changes in storage or transport which result
in solid residues. The presence of solids in liquid fertilizers or
pesticides, for example, can cause clogging of spray equipment. For
this reason, many tank trucks and cars are equipped with strainers.
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Water Handling
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This is probably the greatest area of usage for basket strainers. They
take sand, gravel, etc., from lakes, streams, and wells which might
damage or clog equipment. They take leaves, insects, feathers, etc.
from cooling tower water where the system is open to the atmosphere.
They strain out hair and lint from large swimming pools before the
water passes to a filter. Basket strainers are an important part of
desalinization equipment where they take out dirt, or other unwanted
matter from the water before it is treated for salt removal. Spent
waste water from industrial use is frequently passed through a basket
strainer to take out material which should not go into a sewer or
waterway.
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Pharmaceuticals and Cosmetics
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Ointments, lotions and similar products which may contain clumps of
undispersed or undissolved matter are pumped through basket strainers.
In the manufacture of lipstick, for instance, unwanted lumps can ruin
the product.
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Petroleum
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Basket strainers clean unwanted material from petroleum products
ranging from crude oil to gasoline. A specific case is fuel oil, which
can contain gums or tars or other dirt which can plug the nozzles of
an oil burner. Every industrial oil burner is equipped with a basket
strainer to screen these out. Strainers are used in similar ways in
refineries and in oil handling operation to keep undesirable material
away from pumps, meters and other equipment.
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Chemical Processing
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This industry is perhaps the largest user of basket strainers. There
are innumerable areas where the presence of a basket strainer means a
cleaner product, protection of equipment, or simple separation of
solids from liquids. There is scarcely a chemical operation
involving liquid flow which cannot be improved or guaranteed longer
running life by installation of a basket strainer in the line. is
perhaps the largest user of basket strainers. There are innumerable
areas where the presence of a basket strainer means a cleaner product,
protection of equipment, or simple separation of solids from liquids.
There is scarcely a chemical operation involving liquid flow which
cannot be improved or guaranteed longer running life by installation
of a basket strainer in the line.
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