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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 wall aboveground fuel storage tanks have
standard and emergency vent fittings. Both the
inner and outer tanks of double wall 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.
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