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Highland Products
Highland Tank’s team of professionals in design,
engineering, fabrication, sales, delivery and
service provide you with outstanding solutions
for all your storage needs.
Our steel tanks are competitively priced, and
readily available from our strategically located
regional distributors and manufacturing
facilities. Our reputation for timely delivery
of high-quality tanks by professional drivers
experienced with tank handling is second to
none. And we are the only tank manufacturer with
a full-time service representative who will
visit your site to troubleshoot any problems
that may arise.
Our diversified product line includes
underground and aboveground steel storage tanks,
lube tanks, ASME pressure vessels, grease
removal systems, oil/water separators and
interceptors, and oil interceptors. Our products
are used in numerous liquid storage and
wastewater treatment applications at petroleum,
transportation, industrial, military,
commercial, and municipal facilities throughout
the world.
We offer proven carbon steel or stainless steel
designs and construction with many specialty
coatings to meet your specific needs.
The
Strengths of Steel
In quality and design, Highland’s steel tanks
are beyond compare. Steel is unmatched for its
structural integrity and strength. Because of
its product compatibility, it is the best choice
for your liquid storage needs including motor
fuels (especially those with high ethanol
content), aviation fuels, heating and lube oils,
chemicals, potable water, and wastewater. Beyond
performance, steel has the highest overall
recycling rate of any material. Overall, you can
be assured that steel – a durable,
cost-effective, lightweight, dimensionally
exact, corrosion resistant, and aesthetically
appealing material – will be around for a long
time.
Most tank designs are available in single-wall
or double-wall construction. We fabricate, test
and label most tanks in accordance with
Underwriters' Laboratories tank construction
codes UL-58, UL-1746, UL-142, UL-80, and
UL-2085. Construction and testing to other codes
such as NFPA 30 AWWA, NFPA 22, API, etc, is also
available.
Highland tanks are constructed to comply with
NFPA 30 & UL venting requirements. Depending on
the need, more sophisticated emergency vents are
available.
Single-wall
Single-wall tanks use a single sheet of steel
meeting ASTM specifications. Material
thicknesses from 12 gauge to 1-1/4" of mild
carbon or stainless steel can be used. Lap
joints with an overlap provide superior “ribbed”
strength. Flat-flanged heads are standard, as
are continuous exterior weld on all joints, a 5
psi factory air test and seam inspection.
Double-wall
Double-wall tanks consist of a primary steel
tank wrapped by an exterior steel shell. The
space between the tanks, known as the
interstice, can be monitored to detect a leak in
either tank using a Highland Monitoring System
or manual probe.
All Highland double-wall tank interstices assure
fluid migration at a rate not less than one
centimeter per second – vastly superior to the
allowable rate. All double-wall tanks are
shipped with a vacuum on the interstice.
Double-wall UL-2085
Fireguard fire-rated tanks are insulated
cylindrical or rectangular tanks. The
interstice, a minimum of 3" around the inner
tank, is filled with a lightweight material that
provides thermal insulation and enables
monitoring of the tanks. Both the inner and
outer tanks are equipped with emergency vent
fittings. Our Fireguard tanks meet or exceed
required standards for insulated, fire-rated
storage tanks.
Double-wall UL-1746
The inner tank is constructed like a UL-58
single-wall steel tank, but the outer tank is
made from either fiberglass reinforced plastic
(FRP) of thermoplastic creating an economical
double-wall tank. The interstice design assures
fluid migration to the monitoring system.
Fabrication Options
- 30 psi hydrostatically tested
dished head design complies with New York
City storage tank codes.
- Fittings in various sizes and
styles (NPT and flange) enable connection to
external piping systems.
- Single-walled aboveground fuel storage tanks have normal and emergency vent fittings. Both the inner and outer tanks of double-walled tanks have emergency vent fittings per fire codes.
- 24", 30", or 36" diameter
cylindrical or rectangular manways allow for
safe, unconfined access.
- Seal-welded and standard or NSF
lined interiors are available.
- State of the art exterior coatings
are available for long-term corrosion
protection.
- Impervious bulkheads create
multiple compartments within the tank for
multiple fuel storage applications.
- Overfill protection chambers are
available for aboveground or belowground
applications.
- A wide variety of tank support and
hold down systems.
- Tanks can be fabricated to API, ASME,
NFPA-22, AWWA-D100, UL-58, UL-142, UL-1746
and UL-2085.
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