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| Document Title | UN R110: Proposal for amendments | ||||||||
| Reference Number | GRSG-119-20 | ||||||||
| Date |
6 Oct 2020
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| Summary | Proposal to add provisions for excess flow valves (EFV) which can shut off fuel flow at the time of operation to specific components. | ||||||||
| Source(s) | OICA | ||||||||
| Rulemaking Area(s) | UN R110 CNG/LNG System Components | ||||||||
| Proposal Status | Superseded | ||||||||
| Meeting(s) | |||||||||
| Related Documents | |||||||||
| GRSG-119-21 | UN R110: Supporting information regarding shut-off valve proposal | ||||||||
| GRSG/2021/10 | UN R110: Proposal for amendments (superseded) | ||||||||
| Downloads | |||||||||
| UNECE server | .pdf format | .docx format | |||||||
| Excerpts from session reports related to this document | |||||||||
| GRSG | Session 119 | 6-9 Oct 2020 |
46. The expert from OICA introduced GRSG-119-21, a proposal for amendments to UN Regulation No. 110, related to the definition of “Excess flow valve” to differentiate between pressure-equalization type and shut-off type excess flow valves, and to CNG system requirements, as elaborated in GRSG-119-20. 47. Following detailed technical discussions, including comments from representatives from the Netherlands, Sweden and NGV Global, GRSG requested the submission of a revised version of GRSG-119-20, based on further consideration and discussions among interested stakeholders, as an official document for consideration at the April 2021 session of GRSG, inviting interested stakeholders to deliver their remarks and comments to OICA. 46. The expert from OICA introduced GRSG-119-21, a proposal for amendments to UN Regulation No. 110, related to the definition of “Excess flow valve” to differentiate between pressure-equalization type and shut-off type excess flow valves, and to CNG system requirements, as elaborated in GRSG-119-20. 47. Following detailed technical discussions, including comments from representatives from the Netherlands, Sweden and NGV Global, GRSG requested the submission of a revised version of GRSG-119-20, based on further consideration and discussions among interested stakeholders, as an official document for consideration at the April 2021 session of GRSG, inviting interested stakeholders to deliver their remarks and comments to OICA. |
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