Proposal to establish procedures for the approval of non-seamless gas tube(s), gas tube(s) made of materials other than copper, stainless steel, and steel with corrosion-resistant coating, and their couplings in Liquefied Petroleum Gas (LPG) vehicles provided they can withstand the applicable tests according to Annex 15.
32. Referring to ECE/TRANS/WP.29/GRSG/2017/27, the expert from AEGPL recalled the purpose of his proposal to clarify the provisions in UN Regulation No. 67 on the use of non-seamless gas tubes in LPG vehicles. GRSG adopted the document, as amended below, and requested the secretariat to submit it to WP.29 and AC.1 as part (see para. 31 above) of draft Supplement 15 to the 01 series of amendments to UN Regulation No. 67 for consideration at their March 2018 sessions.
Paragraph 2.2., subparagraph (s), amend to read:
“(s) Non-seamless and seamless gas tubes and their couplings;”
New paragraph 126.96.36.199., amend to read:
|“188.8.131.52.||The outer diameter of Class 1 gas tubes made of copper shall not exceed 12 mm with a wall thickness of at least 0.8 mm, gas tubes of Class 1 from steel and stainless steel shall not exceed 25 mm with, for gas services, an appropriate wall thickness.”|
|“17.7.4.||Gas pipes made of a non-metallic material shall comply with the requirements of this Regulation, paragraph 6.7.”|
Annex 15, paragraph 5., replace “Only longitudinal welding” by “Only straight longitudinal welding”.