Hydro-Test Products, Inc.
85 Hudson Road, Stow, MA 01775
800-225-9488 / 978-897-4647

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Cylinder Requalification Regulations

Comments Made By Hydro-Test in Regards to Below Docket No. PHMSA–2011–0140 (HM–234)
Hydro-Test does not agree with most all of these proposed regulation changes, in particular the C-1 pamphlet. It will cost the average re-test facility $1000's of dollars to comply with these overly aggressive regulations and impose unfair restrictions on many companies.


Proposed Changes in Regulations July 26, 2016: Federal Register, Docket No. PHMSA–2011–0140 (HM–234)
PHMSA has received petition from many companies including CGA to re-write the cylinder re-qualification chapter of the 49CFR. Included in these petitions are a variety of new and stricter regulations that will have an huge impact on cylinder re-qualification facilities. Every facility should read and comment on this proposal-it will effect your business!!

New Ruling Allow Use Of Labels On All Cylinders Except 3HT - and Change In Re-qualification Period of Propane Cylinders
Federal Register / Vol. 81, No. 13 / Thursday, January 21, 2016 has 2 new rulings that will go into effect on January 23, 2017. Labels embedded  in epoxy can now be used in lieu of stamps on all cylinders except 3HT (see interpretation here).
Also A cylinder made in conformance with DOT Specifications 4B, 4BA, 4BW, or 4E protected externally by a suitable corrosion-resistant coating and used exclusively for non-corrosive gas that is commercially free from corroding components may be re-qualified by volumetric expansion testing or proof pressure testing every 10 years instead of every 5 years. Prior to this ruling the re-qualification period was 12 years by volumetric - 7 years by proof and 5 years by visual.

Alloy Cylinders Final Rule On 6351-T6 08/29/2006
This is the long awaited final ruling on the additional requalification procedures, including the Eddy Current inspection of Aluminum 6351-T6 alloy cylinders. Effective date is January 1, 2007
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CGA Pamphlets (cited vs latest editions) 10/01/07
List of CGA pamphlets required for cylinder testing, showing cited edition vs latest edition available

 
Luxfer Recall 05/1/2006
PHMSA was recently notified of the manufacture, marking, and sale of certain high pressure DOT exemption cylinders that were not tested in accordance with applicable regulatory requirements. These cylinders were manufactured and/or distributed by Luxfer, Inc. (Luxfer), Riverside, CA. Luxfer and its independent inspection agency, Arrowhead Industrial Services, Inc.


Requalifying UN Specification Cylinders 06/12/2006
In this final rule, PHMSA is amending the Hazardous Materials Regulations (HMR) to adopt standards for the design, construction, maintenance and use of cylinders and multiple-element gas containers based on the standards contained in the United Nations Recommendations on the Transport of Dangerous Goods. Aligning the HMR with the international standards promotes greater flexibility, permits the use of advanced technology for the manufacture of pressure receptacles, provides for a broader selection of pressure receptacles, reduces the need for special permits, and facilitates international commerce in the transportation of compressed gases without sacrificing the current level of safety and without imposing undue burdens on the regulated community.

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