Arrow Tank & Engineering Co.

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• Did you know2024

  Arrow Tank & Engineering holds ASME Section VIII Division 1 "U-stamp" pressure vessel manufacturer certification — the same qualification governs not just propane and NH3 cargo tanks, but the full universe of industrial unfired pressure vessels: oil & gas separators and scrubbers, chemical plant reactor vessels and holding tanks, pharmaceutical autoclave bodies, brewery fermentation vessels, and nuclear plant auxiliary cooling and storage tanks. A certified ASME pressure vessel shop like Arrow Tank that makes propane bobtail bodies is operating the same certified welding, radiographic testing, and hydrostatic test infrastructure as companies that build equipment for chemical processing plants, pharmaceutical sterile manufacturing, and nuclear auxiliary systems. During national emergencies requiring rapid pressure vessel production (wartime industrial mobilization, rapid pharmaceutical plant expansion, emergency CO2 shortage response), rural Midwest bobtail fabricators with active ASME certifications represent latent production capacity for a much wider range of critical industrial vessels. The 2022 U.S. CO2 shortage (triggered by Jackson Dome supply disruption affecting food carbonation, beer/soda production, and meat processing) highlighted exactly how specialized the CO2 vessel fabrication supply chain is — ASME U-stamp shops are the bottleneck for new transport vessel production.

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• Concentration2024

  Arrow Tank & Engineering and Westmor Industries represent two of the very few ASME-certified shops in the Upper Midwest that fabricate and deliver complete propane bobtail and NH3 nurse tank packages. The market for certified agricultural NH3 transport equipment in the Corn Belt is served by fewer than 10 active fabricators in the US. This creates geographic concentration risk: an NH3 distributor in Minnesota, Iowa, or the Dakotas has very limited options for new equipment if lead times extend or a key fabricator loses its ASME certification. DOT regulations require that cargo tanks transporting flammable and corrosive liquefied gases be constructed by a certified manufacturer — non-certified welders and fabricators cannot legally produce replacement tanks. This regulatory barrier makes Arrow Tank a critical chokepoint for the regional agricultural ammonia infrastructure.

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• Origin2024

  Arrow Tank & Engineering Co. is a Midwestern specialty fabricator that builds propane bobtail truck bodies, anhydrous ammonia transport vessels, and pressure vessel equipment for the rural energy and agricultural markets. The company holds ASME Section VIII pressure vessel manufacturer certification (National Board "U" stamp) and DOT cargo tank fabricator qualifications — the regulatory credentials that allow construction of certified cargo tanks for flammable and corrosive liquefied gases. Like Westmor Industries, Arrow Tank is a relatively low-profile supplier to LP co-ops and agricultural ammonia distributors, operating in a niche where the products require specialized certification and where the customer base is rural utility cooperatives and farm supply dealers rather than industrial purchasing departments.

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