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Products
> Secondary Seals >
Econoflex Secondary Seal |
Econo-Flex
Secondary Seal
The HMT Econo-Flex™
Secondary Seal is one of the most economical and
effective types of secondary seals available. Easily installed
and maintained, the HMT Econo-Flex’s™ ability to meet or exceed
stringent gap specifications for secondary seals has earned it’s
approval from governmental regulatory agencies throughout the
U.S., including Northern California’s BAAQMD and their
“zero-gap” requirements.
Designed to be
installed with the tank in service, the
Econo-Flex™ is engineered to adapt to virtually every type of
external floating roof design, accommodating wide variations in
annular rim space and compatible with various types of primary
seals and rim connections. Each
Econo-Flex™ is
custom designed to fit a specific tank’s characteristics. This
assures that each seal will maintain a tight fit against the
tank shell, all around the circumference of the floating roof,
and at all operating roof elevation levels. The Econo-Flex™,
with it’s wide range of vapor barrier fabrics,
combined with a Buna/Nitrile PVC blend tip, assures a highly
effective seal for a wide range of products and service
conditions. Available in either galvanized or stainless steel,
the Econo-Flex™ combines economy with
reliability and durability.
HMT has been
designing, fabricating and installing seals on Aboveground
Storage Tank floating roofs for many years. The Econo-Flex™ has “field-proven” it’s effective
sealing capability and long service life, while offering an
economical choice in Secondary Seals.
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Advanced Design:
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Long service
life
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Maintenance
free operation
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In-service
installation
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Exceeds
government requirements
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Ease of
installation
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Quality
materials
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Exceptional
gap sealing ability
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Accommodates
wide rim space variations
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Superior
rainwater shedding ability
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Design
Features:
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In-service installation
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Accommodates
wide range of rim space variations
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Shunts for dissipating static electricity installed above
seal upon request
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Wide range of metallic and non-metallic materials available
for various service conditions
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HMT’s PTFE Laminated Fluropolymer (Teflon®) vapor barrier
fabric available
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Seals will return to tank without special attention, if tank
is overfilled
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Superior fire snuffing ability, in the event of lightning
strike
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Foam flow openings available
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Rim mounts for vertical or horizontal attachment
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Custom designed for each tank
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Easily installed and maintained
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Long service life
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Design reduces product contamination from rainwater,
condensation and airborne contaminants
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Approved by Northern California’s BAAQMD, meeting their
stringent “zero-gap” requirements.
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