Grease Removal Systems - page 31

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Passive Grease Interceptors (PGI) help
FSE and food production/processing
industries comply with the EPA Sewer
Pretreatment Regulations. PGIs are
high-performance gravity grease
interceptors designed to intercept and
remove large quantities of sewer
clogging FOG and oily food waste
before it is discharged in a municipal
wastewater treatment system.
PGI sizing and construction conforms
to recognized plumbing codes and
meets, or exceeds, most municipal
FOG discharge requirements. They can
be sized for greater volumes, storage
capacity and even retention times up
to 30 minutes.
We construct our standard PGIs from
mild carbon steel, meeting ASTM
specifications, for superior structural
strength and impermeability.
Durable & Dependable
Unlike old-style concrete or fiberglass
interceptors, Highland Tank's PGIs
don’t crack, leak or collapse under
hydrostatic pressure. And unlike many
competitive units, they're water tight
and pressure testable for leaks in both
the factory and the field.
Advanced Corrosion Protection
Factory and Steel Tank Institute
specifications are followed to assure
complete internal and external
corrosion protection. We offer
complete interior/exterior grit blast
and finish coatings, including Highland
Tank's HighGuard UL-1746 approved
protective polyurethane coating.
An additional acid-resistant internal
polyurethane lining assures years of
continuous service.
Passive Grease Interceptors
Design Options
Stainless steel construction is a valuable
option. Stainless steel is inherently
corrosion resistant and has high
mechanical properties. In many cases,
it is preferred due to its appearance
and durability.
Aboveground cylindrical or rectangular
interceptors and custom designs are
also available so that you can tailor
volumes, compartments, inlets, outlets
or baffles to satisfy specific code
Large, outdoor gravity grease
interceptors effectively separate FOG
and kitchen waste from wastewater.
They reduce the risk of sewer clogging
and potentially dangerous and
damaging sanitary sewer overflows
because they provide longer retention
time and storage volume.
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