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Hydrostatic Testing & Cylinder Maintenance

It’s the law! Recovery cylinders must be tested and recertified every 5 years

Hudson can help. We eliminate the headaches and hassles of cylinder testing and refurbishing - and save you money at the same time.

We will
Arrange all shipping
Thoroughly test all of your cylinders with our state-of-the-art equipment
Inspect all cylinder components and perform necessary repairs
Provide you with recertification documentation
All at prices that are more than competitive

 

Hydrostatic testing and refurbishment includes
Complete hydrostatic test with expansion tank testing
Internal and external visual inspection
Internal cleaning & drying
Dip tube and dual port valve replacement or separate single port valve replacement on certain 240# & 1000# cylinders and Ton tanks
Complete paint removal and repainting in accordance with ARI  Color Standards, Guideline K; and stage dryer for small cylinders
Stamping and documentation

The condition of a particular cylinder may require the performance of additional work for DOT or TC recertification.  This additional work is not included in standard price quotations.

Our Credentials
Hudson is a DOT (Department of Transportation) and  TC (Transport Canada) approved hydrostatic test facility providing hydrostatic testing, recertification, and complete refurbishment of all refrigerant cylinders from 30# cylinders to ton tanks.  A state-of-the-art hydrostatic test facility is operated at Hudson's Champaign, Illinois facility where the full range of hydrostatic cylinder testing, repair and refurbishment services are performed.

DOT & TC Requirements
Pursuant to regulations specified in the United States by the U.S. Department of Transportation (D.O.T.) and in Canada by Transport Canada (T.C.), certain cylinders used for transporting hazardous materials are required to be retested, inspected  and certified safe for use every 5 years. Certain other cylinders require retests and inspections according to modified schedules if certain conditions are met. For example, cylinders used exclusively for certain listed refrigerants and which are "commercially free from corroding components" and which have a corrosion-resistant external coating may only need hydrostatic retesting every 12 years (49 CFR 173.34(e)(ii)). Other listed cylinders used exclusively for the transport of "fluorinated hydrocarbons and mixtures thereof which are commercially free from corroding components" may be given a complete external visual inspection every 5 years.

Recertification procedures and regulations are codified in the U.S. Code Of Federal Regulations (CFR), Federal Register and Title 49, Section 173.34 and Transport Canada (TC) in B339 and B340.

The specifications and procedures for hydrostatic testing methods are also outlined in Compressed Gas Association Pamphlet C-1, "Methods for Hydrostatic Testing of Compressed Gas Cylinders". Copies of Compressed Gas Association Pamphlets are available  online at http://www.cganet.com or by writing to the following address:

Compressed Gas Association
4221 Walney Road, 5th Floor
Chantilly, VA 20151-2923
(703) 788-2700 Fax: (703) 961-1831
Email: cga@cganet.com

 


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