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Worthington Offers 26.2-Inch Cylinder

May 11, 2015 in ACT Expo 2015, CNG, Companies, New Products, NGVs by Rich Piellisch  |  No Comments

Firm’s Largest, at 26.2 Inches, ‘Provides Superior Fast-Fill Efficiency,’
The Tanks ‘Will Fill to Rated Capacity Making Longer Routes Possible’

Worthington Industries introduced its largest-diameter compressed natural gas fuel cylinder to date at ACT Expo 2015: a 26.2-inch-diameter Type III carbon fiber-on-aluminum tank.

John Coursen and alt fuels GM Wayne Powers of Worthington Industries at ACT Expo 2015 in Dallas.

John Coursen and alt fuels GM Wayne Powers of Worthington Industries at ACT Expo 2015 in Dallas.



“The inner aluminum liner dissipates heat during fast-filling allowing for an additional 15% to 25% more fuel storage compared to Type IV cylinders of similar size,” the manufacturer said.

“Ideal for Class 8 heavy-duty and refuse trucks, these large diameter cylinders will fill to rated capacity making longer routes possible,” states a release. “As with all Worthington Type III cylinders, the [seamless] aluminum inner liner provides an added safety feature, by reducing the risk of flex or fracture in the outer composite reinforcement if an impact occurs.”

CNG Cylinder Assemblies, Too

“We believe that the fast-fill efficiency and durability of our new large diameter cylinder will be a welcomed addition to the market, maximizing the fuel system design for original equipment manufacturers,” Worthington alt fuels business GM Wayne Powers says in the new cylinder announcement.

With last year’s acquisition of Salt Lake City-based dHybrid (F&F, October 20), Worthington offers a full selection of CNG fuel systems in addition to its well known fuel cylinders.

The CNG line-up includes back-of-cab, rail-mount, top-of-body and canopy designs, as well as tail-gate assemblies.

Final certification of the new 26.2-inch tanks expected late in June.

Propane Autogas Fuel Vessels, Too

Worthington also promoted its propane autogas fuel vessels and cylinder safety in Dallas.

Toroidal propane autogas fuel vessels by Worthington Industries

Toroidal propane autogas fuel vessels by Worthington Industries

Worthington offers more than 1,000 variations of its propane vessels, manufactured in Jefferson, Ohio and in Slupsk, Poland. All are made of welded steel, and all x-rayed for quality prior to shipping, Powers says.

The natural gas vehicles industry as a whole industry is “averaging two cylinder rupture events a year right now, and people should be made aware of it,” product line manager John Coursen said in a recent monograph (F&F, April 21), citing the greater number of NGVs in service and aging equipment.

Nary a Failure

Worthington itself – nor its corporate antecedent SCI/Structural Composites Industries – has never had a CNG cylinder failure, Coursen told F&F.

He argues that fuel vessels for natural gas vehicles should meet the same standards of safety required for other transportation modes, such as aircraft and ships and rail. That means testing to three-times service pressure instead of the factor of 2.25 now required. Worthington also advocates a drop test to better gauge impact resistance.

A Call for Stricter Standards

Coursen says that fuel vessels for natural gas vehicles should meet the same standards of safety required for other transportation modes, such as aircraft and ships and rail. That means testing to three times service pressure instead of the factor of 2.25 now required. Worthington also advocates a drop test to better gauge impact resistance.

“Of the hundreds of thousands of cylinders Worthington has produced for alternative-fuel applications globally, we have never had a composite cylinder failure,” Powers says in Worthington’s ACT Expo release.

“Worthington Type III CNG cylinders, including the new large diameter model, are built to aircraft, railcar and watercraft CNG cylinder standards, which are more stringent than typical over-the-road standards,” the company says. “Worthington’s testing requires a minimum burst safety factor of 3.0 times the rated pressure, along with sidewall structure impact testing.

200,000-Plus CNG Tanks

“The U.S. National Highway Traffic Safety Administration (NHTSA) Federal Motor Vehicle Safety Standard (FMVSS) 304 standard, requires a minimum CNG cylinder burst safety factor of 2.25 times the rated pressure and does not require sidewall structure impact testing. Worthington’s new large diameter cylinder is also certified with the American National Standards Institute (ANSI)/Canadian Standards Association (CSA) NGV2 standard.”

The firm has produced more than 4 million pressure vessels in its long history, including upwards of 200,000 CNG tanks.

The next ACT Expo has been scheduled for May 2-5, 2016 at the Long Beach Convention Center in Long Beach, Calif.

GNA/ACT Expo, Grace Jameson, 310-573-8567; [email protected]www.actexpo.com

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Click here for the Type III CNG cylinders section of the Worthington Industries website.

Click here for the Type III CNG cylinders section of the Worthington Industries website.


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Source: Worthington and Fleets & Fuels at ACT Expo 2015 in Dallas

Posted in ACT Expo 2015, CNG, Companies, New Products, NGVs and tagged , , .

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