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Tag: DOT Tubes

Authors

FIBA
FIBA Technologies
John Felbaum
Stephanie Puente

Hydrostatic Requalification

One of the most common methods of testing high pressure gas cylinders in the United States and Canada is a water jacket hydrostatic test. This test consists of filling and pressurizing a tube with water inside of a water filled jacket. [embed]https://youtu.be/JZi9WKqFC64[/embed] ...
Posted: Posted on December 21, 2021

Anti Rotation Pinning of Pressure Vessels

Tube pinning is a process FIBA uses to prevent tubes from rotating within their assemblies. The majority of tubes used in tube trailers, ISO containers, and ground storage assemblies are mounted in bulkheads. Tubes are held in the bulkheads by external threads machined onto the t...
Posted: Posted on June 22, 2018

Requalifying DOT UN & 3-Series Tubes

DOT UN or ISO tubes that are manufactured in accordance with 49 CFR 178.71(j) or ISO 11120 will have a retest cycle of 10-years provided they are carrying Division 2.1 (flammable) or 2.2 (non-flammable) gases (excepting CO2). The retest cycle is 5 years for Division 2.3 (toxic) g...
Posted: Posted on January 22, 2018

DOT UN Tube Fill Pressure

DOT Regulations - Pressure DOT UN tubes manufactured per DOT regulation and ISO standard 11120 shall be filled in accordance with 49 CFR Section 173.302b(b), which states:  “UN pressure receptacles filling limits.  A UN pressure receptacle is authorized for the transportation...
Posted: Posted on January 22, 2018
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FIBA Technologies, Inc

HQ: 53 Ayer Rd, Littleton, MA 01460

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  • 508 887 7100
  • 978 742 4908
  • info@fibatech.com

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  • DOT & ASME Assemblies
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