ProGuard Manual Filters
1000 & 2000 Series
Single and Duplex Tubular Filtration Systems for Liquids and Slurries

1. Introduction
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ProGuard tubular filters provide a reusable permanent filter element, which eliminates the need to replace dirty, expended filters,
as well as eliminating the need to dispose of dirty cartridges or
bags. These filters are used in a variety of pulp & paper and other
industrial applications.
In certain batch operations, or in low flow continuous operations,
manually cleaned filters may be the most economical filter solutions. Reusable elements become important when considering EPA
issues and the cost of disposable media. Another important benefit
of tubular filters is that they can be backflushed and drained, thus
helping operators avoid contact with hot or caustic fluids.
The ProGuard 1000 series manual filter designates the 3-1/2" O.D.
filter with either 1" or 1-1/2" connections. The ProGuard 2000 series manual filter is 4-1/2" O.D. with 2" connections. Both are 316
stainless steel construction and have safe, self-venting, quick-operating vessel closures.
When your process flow requires continual operation, it can often
be a problem to change or clean a dirty filter element. A good option
to by-passing the filter is to duplex two single filter tubes into one
filtration system. The creation of a duplexed system allows one filter
tube to be on-line and one filter tube to be off-line in a standby
mode. When the on-line filter tube becomes dirty, the operator can
simply open the valves to the clean standby filter tube and close the
valves to the dirty filter tube. This design eliminates any interruption
of the process or by-pass of a critical filter system.
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Features
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Single filter or duplexed assembly
Operating pressures to 350 psi
316 stainless steel construction
Quick opening, self venting, vessel closure (fast & safe)
Fast removal of filter elements
Reusable filter media, from 10 mesh to one micron
Built to ASME code design standards

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