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Touchstone

ISSN 1177-5874
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Fuels

Safer hydrogen storage – international Standard

Summarised from an article by Dr Chris Jubb and Randy Dey in ISO Focus magazine, June 2009.

An international Standard will help pave the way for larger, widespread applications of hydrogen. Transportable gas storage devices – Hydrogen absorbed in reversible metal hydride, ISO 16111:2008, describes the service conditions, design criteria, type tests, and routine tests to ensure the safety of metal hydride assemblies used for the storage of hydrogen.

The hydrogen stored in metal hydride assemblies will be able to travel across international borders – a major benefit for the industry.

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DRAFT STANDARD FOR COMMENT

Free to download from our website: www.standards.co.nz

DZ 5259 A1 NZS 5259:2004 Gas Measurement Amendment 1

In order to cite NZS 5259:2004 in the revision of the Gas Regulations 1993, Table 3 of NZS 5259 has been amended to conform to the accuracy of conversion requirements given in the current regulation 9. Some changes have been made to the energy conversion section to clarify accuracy requirements, and the competency requirements have been updated. A small number of technical corrections have also been included in this amendment. Two new appendices have been introduced: a new Appendix B which provides guidance for low pressure accuracy of turbine meters calibrated at high pressure and Appendix N to provide guidance for time-stamped data. Public comment on this draft closes on 24 August 2009.

 
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STANDARDS IN DEVELOPMENT

Gas appliance safety

Committee: P5262
Project Manager: Vicki Allison
Estimated Publication Date: October 2009
Comments: This project is on hold until the exposure draft to the Gas Regulations is released.

Gas detection and odorization Amendment 1

Committee: P5263 A1
Project Manager: Bev Harniss
Estimated Publication Date: October 2009
Comments: The New Zealand Gas Sector Board has approved an amendment to NZS 5263:2003 to clarify the wording of Clause 2.4.3 to require that testing be spread throughout the period to confirm compliance at all times. The committee met by teleconference on 12 June and agreed to amend Clause 2.8 and Appendix G to address the issue. Public comment closed on 28 July, and the committee will consider comments received in early August.

Gas measurement - Amendment 1

Committee: P5259 A1
Project Manager: Vicki Allison
Estimated Publication Date: February 2010
Comments: Amendment 1 to NZS 5259 is to update the Standard so it can be cited in the revised Gas Regulations. Changes have been supplied to Standards New Zealand by Energy Safety. The draft amendment is available for public comment until 24 August 2009.

 
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