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Tank Talk Blog: All About Tanks

BEARING THE WEIGHT

Tank supports must be engineered to hold the weight of the tank, its components (such as mixers and gear motors), and its contents when full. SFI Engineers perform the analysis...

NOT A TOOTHY GRIN

Grate designs vary to suit customer requirements. They can be anything from vertical bars as shown in the photo to a pattern of small squares. Grates can be adapted...

X-RAY VISION... NOT JUST FOR SUPERMAN

Radiography examines the welds for internal material defects. It is most often used to assess the quality of butt joints, circumferential and...

HYDRO-TEST CAN BE A CHALLENGE

Hydrostatic testing is commonly used to test pressure vessels when required by ASME code, PED or standards such as API 620 or API 650. It proves the design

COULD THAT BE A FIRE PIT?

This may look like the beginnings of a fire pit, but in reality, it’s a tank fitting, a flanged and bolted manway that will provide personnel access to the interior of the tank. The materials are quite...

PORTABLE MIXING KETTLES

While these particular kettles were built for chemical service, SFI works with customers in a wide variety of industries across the U.S. Everything we build is custom so the possibilities are...

WHAT ABOUT THIS?

Did you know that tank information is available for download from our website? You’ll find pertinent documents included on each web page or all of them can be accessed...

HOW MUCH DOES THAT WEIGH

SFI builds tanks of all types. Tanks that range from small portable vessels to huge shop fabricated tanks on skirts and massive field erected tanks with capacities over 600,000 gallons!

POISON PADS

Poison pads and reinforcement pads are similar and may serve the same purpose. When welding two pieces of steel together, both must become liquid in order to bond. During the liquid...

DOG BOWL OR ALCOVE?

Alcoves are commonly used in the pharmaceutical industry to minimize nozzle projection when installing fittings on double wall tanks. There are several benefits to using alcoves...

A NEW SPIN ON MIXERS

This artistic rendering shows what is called a dual motion or universal mixer. The tank combines an offset turbine mixer for blending ingredients and a sweep/scrape mixer to keep...

CORROSION RESISTANCE

Industries that make products for human or animal consumption need equipment that can be easily and effectively sanitized, making stainless steel a preference. It can be polished...

WEARABLE PARTS REPLACEMENT

Whenever possible, a proactive approach is best – don’t wait until your tank is down to order maintenance stock for your wearable parts. Most replacement parts must be purchased...

ABOUT PRODUCT MEASUREMENT

One method that has been used on small atmospheric tanks is to equip the vessel with an external liquid level sight tube. Fittings are positioned on the sidewall near...

EEEK! A SPIDER...

The photo is actually of two stainless steel agitator tripods, frequently called “spiders”. These tripods are used when it is necessary within the agitation design to control shaft movement...

BEEN DOWN LONG???

Stainless steel tanks have parts that can wear out, get damaged or misplaced. Often times tank components aren’t available for immediate shipment and many must be custom fabricated...

Potable Water... What Is It?

Potable water storage tanks can be made from a variety of materials, but stainless steel tanks are favored because they are sturdy, easily cleaned, and last many, many years.