PHMSA - Cylinders

Cylinders

Information about gaining approval to manufacturer or requalify cylinders of various types as well as listings of authorized cylinder manufacturers and reqaulifiers.

Approvals Search Tools

Note the data used to populate “Approval Search” is being reconfigured into a new document management system and as a result some of the data posted may be a few weeks out of date. We anticipate that the search feature will be up-to-date by mid-March. If you need information concerning application status that is not available in this search, please contact: PHMSA Approvals@dot.gov or call 202/366-3987. We apologize for any inconvenience.
(Note approved by the Office of Special Permits and Approvals)

Approvals Search

Terminated Approvals

3AL Cylinder Information

Report and Information on DOT 3AL Cylinders

Authorized Manufacturers and Retesters

	Independent Inspection Agencies (XLS)
	DOT Cylinder Requalification Program within the U.S.

	Approved Foreign Manufacturers - Updated January 2009
	Manufacturers of DOT Cylinders

Designated Approval Agencies for UN Portable Tanks and DOT Specification IM 101 and IM 102 Tanks

Authorized DOT Cylinder Retesters: Domestic

Authorized DOT Cylinder Requalifiers (International)

Procedures & Applications

The following is a list of procedures and applications related to Cylinders.

Procedures for Application for Approval to Requalify DOT Cylinders (US and Foreign)

Application for Facility Registration to Requalify Cylinders By Visual Inspection Method Only

Instructions for submitting HM74 Advanced Deposits and Updated Electronic Funds Transfer Form

Application For Approval of Foreign DOT Cylinder Requalification Facility

Cylinder-Related Federal Register Documents

The following Federal Register postings are cylindar-related and primarily consist of NPRMs, Final Rules, and Safety Advisory Notices within the last 5 years.

74 FR 16135 - Final Rule

PHMSA-2006-25910 (HM-218E): Hazardous Materials: Miscellaneous Cargo Tank Motor Vehicle and Cylinder Issues; Petitions for Rulemaking

Apr 9, 2009

72 FR 18446 - NPRM

Docket No. PHMSA-2006-25910 (HM-218E); Hazardous Materials: Miscellaneous Cargo Tank Motor Vehicle and Cylinder Issues; Petitions for Rulemaking

Apr 12, 2007

71 FR 77437

PHMSA-2006-26596; Notice No. 06-6 - Safety Advisory: Unauthorized Marking of Compressed Gas Cylinders"; safety advisory notice

Dec 26, 2006

71 FR 51122 - Final Rule

PHMSA-03-14405 (HM-220F); Hazardous Materials: Aluminum Cylinders Manufactured of Aluminum Alloy 6351-T6 Used in SCUBA, SCBA, and Oxygen Services--Revised Requalification and Use Criteria; Effective Date 1/1/2007.

Aug 29, 2006

71 FR 33858 - Final Rule

PHMSA-2005-17463 (HM-220E); Hazardous Materials: Requirements for UN Cylinders; Effective Date 9/11/2006.

Jun 12, 2006

71 FR 27307

PHMSA-06-24304 (Notice No. 06-2) - Safety Advisory: Correction to Safety Advisory Concerning the Manufacture, Marking, and Sale of Untested Compressed Gas Cylinders"; Correction of a safety advisory notice;

May 10, 2006

70 FR 54444

PHMSA-2005-21159 (Notice No. 04); "Unauthorized Marking of Compressed Gas Cylinders"; Safety advisory notice; Published 9/14/2005

Sep 14, 2005

70 FR 47273

PHMSA-2005-20104 (Notice No. 05-06); Safety Advisory: Unauthorized Marking of Compressed Gas Cylinders; Safety advisory notice

Aug 12, 2005

69 FR 68212

RSPA-2004-18975, Notice No. 04-5; Safety Advisory: Unauthorized Marking of Compressed Gas Cylinders; Safety advisory notice

Nov 23, 2004

69 FR 53497

RSPA-2004-18975, Notice No. 04-5; Safety Advisory: Unauthorized Marking of Compressed Gas Cylinders; Safety advisory notice

Sep 1, 2004