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| Document Title | Proposal for the 02 series of amendments to Regulation No. 67 | ||||||||
| Reference Number | GRSG/2017/16 | ||||||||
| Date |
14 Jul 2017
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| Summary | Proposal to improve the specifications for LPG multi-valves in response to an LPG vehicle fire that resulted in injuries to first responders. A German Type Approval Authority (KBA) analysis concluded that the hose connecting the PRV/PRD of the multi-valve to the gaseous phase was damaged and hose-fragments blocked both PRV and PRD such that pressure could not be adequately reduced. The PRV and PRD were activated, but the fragments considerably reduced the effective section of the relevant tubing and prevented the release of pressure. This proposal aims to prevent such occurrences. | ||||||||
| Source(s) | Germany | ||||||||
| Rulemaking Area(s) | UN R67 LPG Equipment | ||||||||
| Proposal Status | Superseded | ||||||||
| Meeting(s) | |||||||||
| Related Documents | |||||||||
| GRSG-112-31 | Proposal for amendments to UN Regulation No. 67 (superseded) | ||||||||
| GRSG-112-32 | Proposal for amendments to UN Regulation No. 67 (superseded) | ||||||||
| GRSG-113-18 | Proposal for amendments to the draft 02 series of amendments to Regulation No. 67 (superseded) | ||||||||
| GRSG/2018/2 | UN R67: Proposal for Supplement 16 to the 01 series of amendments (superseded) | ||||||||
| GRSG-114-08 | Report on the 1st meeting of the GRSG Task Force on "Gas-fueled vehicle regulations" | ||||||||
| WP.29/2018/124 | UN R67: Proposal for the 02 series of amendments (adopted) | ||||||||
| GRSG-116-05/Rev.1 | UN R67: Proposal for Supplement 1 to the 02 series of amendments (superseded) | ||||||||
| GRSG-116-39 | UN R67: Proposal for Supplement 1 to the 02 series of amendments (superseded) | ||||||||
| Downloads | |||||||||
| UNECE server | .pdf format | .docx format | |||||||
| Excerpts from session reports related to this document | |||||||||
| GRSG | Session 113 | 10-13 Oct 2017 |
28. The expert from Germany presented ECE/TRANS/WP.29/GRSG/2017/16 that amends the provisions of UN Regulation No. 67 to improve the specifications for the Liquefied Petroleum Gas (LPG) connecting the pressure relief valve with the gaseous phase for multi-valve in the vehicle tanks and those for the installation and inspection of LPG containers and their accessories. The expert from OICA introduced GRSG-113-18 on modifications to the aging test requirements of some rubber materials and on further transitional provisions. The expert from AEGPL endorsed the proposal to avoid a ban of some technologies and materials. Both proposals received a number of comments. 29. GRSG agreed on the need to revise the requirements on pipes for multivalves on LPG containers and to keep, at the same time, the testing provisions technology neutral. Thus, GRSG agreed to set up a Task Force under the leadership of Germany to find a compromise and to prepare a revised proposal for consideration at the next GRSG. It was also agreed to keep ECE/TRANS/WP.29/GRSG/2017/16 on the agenda as a reference document. The secretariat was requested, in the absence of a revised proposal by the task force, to circulate GRSG-113-18 with an official symbol. 28. The expert from Germany presented ECE/TRANS/WP.29/GRSG/2017/16 that amends the provisions of UN Regulation No. 67 to improve the specifications for the Liquefied Petroleum Gas (LPG) connecting the pressure relief valve with the gaseous phase for multi-valve in the vehicle tanks and those for the installation and inspection of LPG containers and their accessories. The expert from OICA introduced GRSG-113-18 on modifications to the aging test requirements of some rubber materials and on further transitional provisions. The expert from AEGPL endorsed the proposal to avoid a ban of some technologies and materials. Both proposals received a number of comments. 29. GRSG agreed on the need to revise the requirements on pipes for multivalves on LPG containers and to keep, at the same time, the testing provisions technology neutral. Thus, GRSG agreed to set up a Task Force under the leadership of Germany to find a compromise and to prepare a revised proposal for consideration at the next GRSG. It was also agreed to keep ECE/TRANS/WP.29/GRSG/2017/16 on the agenda as a reference document. The secretariat was requested, in the absence of a revised proposal by the task force, to circulate GRSG-113-18 with an official symbol. |
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