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... Read more

Tube Trailer Acoustic Emission Testing

DOT pressures vessels (tubes) require periodic inspections to evaluate the integrity and safety of each vessel. After years of use over the land and sea, it is important that authorized holders of Requalification Identification Numbers (RIN) conduct a thorough... Read more

Safe Inspection of Pressure Vessels

When is Disassembly Required? Owners and operators of high pressure gas distribution equipment, such as tube trailers and multiple-element gas containers (MEGCs), are required to recertify the equipment’s DOT and UN pressure vessels every 5 to 10 years.  Depending... Read more

Building a Virtual Natural Gas Pipeline

FIBA Satisfies the CNG Conversion Needs of Remote Manufacturing Facilities   At businesses worldwide, natural gas continues to make significant inroads as a high-value energy resource for manufacturing and operations processes. Specifically, numerous factors related to natural gas —... Read more

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... Read more

An Overview of CNG Storage Options

Above: A natural gas storage facility located in Boston, Massachusetts. Expanded Applications and a Restructured Supply Chain Amid increasing costs, ongoing political instability in nations with the largest proven reserves, and mounting concerns about environmental impact, crude oil/petroleum and... Read more

Tube Trailer Safety Enhancement

ABOVE: A bullplug designed with a shear-off valve (left) can help improve tube trailer safety and potentially avoid dangerous accidents (right). While the majority of tube trailers and skid containers already have a design that includes a rigid, protective... Read more

CNG: Helping Meet the World’s Energy Needs

The Growth of Natural Gas as an Energy Source As we get deeper into the 21st century, the challenges confronting the energy industry worldwide continually grow in enormity, complexity, and urgency. Multiple concerns — from price volatility to adverse... Read more

CNG Price Comparison with Gasoline

Compressed Natural Gas (CNG) continues to rise in popularity as a practical and economical alternative to gasoline. CNG is not a new fuel to the automotive world by any means. In fact, the first vehicle with a natural gas... Read more

Tube Trailer Filling Stations

When planning for the installation of a tube trailer filling station, one must firstly consider training and safety!  The first place for any company to start is with their bulk gas supplier (e.g. Airgas, Air Products, Linde, etc.).  These... Read more