Compressed Gas Archives - FIBA Technologies, Inc.

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] ...

Requalification of Type IV Pressure Vessels in CNG Service

Requalification of Type IV Pressure Vessels in CNG Service FIBA was granted special approval by the Department of Transportation to requalify Type IV pressure vessels manufactured by Hexagon Lincoln using hydrostatic testing under Special Permit 14951. This approval allows owners...

U.S. DOT Special Permit Regulations

What is a special permit? A special permit is a document issued by the Associate Administrator or Secretary of Transportation of the United States Department of Transportation (DOT) permitting a person (see below definition of a person) to perform a function that is not otherwise...

Selection of Methods for Requalification of Compressed Gas Cylinders and Tubes

Q. What does requalification mean? A. Requalification means the completion of a visual inspection and/or the test(s) required to be performed on a cylinder to determine its suitability for continued service.” Code of Federal Regulations, Title 49 (Transportation) Part 180...