Provisions on the CNG accumulators. The CNG accumulator shall be type approved pursuant to the provisions laid down in Annex 3A to this Regulation, taking into consideration: (a) The CNG accumulator with a volume ≤ 0.75 liter shall be tested as Class 6; (b) The CNG accumulator with a volume > 0.75 liter is considered as a CNG container(cylinder) with a maximum pressure of 26 MPa; (c) The CNG accumulator shall be equipped with at least the following safety components: (i) Automatic cylinder valve according to paragraph 18.5.1.; (ii) TPRD according to paragraph 18.5.2.; (iii) Excess flow limiting according to paragraph 18.5.3.; (iv) Manual valve according to paragraph 18.5.4.; (v) Gas tight housing according to paragraph 18.5.5.; (vi) PRD (pressure triggered) according to paragraph 18.5.6." 8.3.1. The CNG container shall be equipped at least with the following components, which may be either separate or combined: 8.3.1.1. Manual valve, 8.3.1.2. Automatic cylinder valve, 8.3.1.3. Pressure relief device,
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Samples: Agreement Concerning the Adoption of Harmonized Technical United Nations Regulations, Agreement Concerning the Adoption of Harmonized Technical United Nations Regulations for Wheeled Vehicles, Agreement Concerning the Adoption of Harmonized Technical United Nations Regulations
Provisions on the CNG accumulators. The CNG accumulator shall be type approved pursuant to the provisions laid down in Annex 3A to this Regulation, taking into consideration:
(a) The CNG accumulator with a volume ≤ 0.75 liter shall be tested as Class 6;; 11 The distinguishing numbers of the Contracting Parties to the 1958 Agreement are reproduced in Annex 3 to the Consolidated Resolution on the Construction of Vehicles (R.E.3), document ECE/TRANS/WP.29/78/Rev.6, Annex 3 - https://unecx.xxx/xxxxxxxxx/xxxxxxxxx/transport/vehicle-regulations-wp29/resolutions
(b) The Xxx CNG accumulator with a volume > 0.75 liter is considered as a CNG container(cylinder) with a maximum pressure of 26 MPa;
(c) The CNG accumulator shall be equipped with at least the following safety components:
(i) Automatic cylinder valve according to paragraph 18.5.1.;
(ii) TPRD according to paragraph 18.5.2.;
(iii) Excess flow limiting according to paragraph 18.5.3.;
(iv) Manual valve according to paragraph 18.5.4.;
(v) Gas tight housing according to paragraph 18.5.5.;
(vi) PRD (pressure triggered) according to paragraph 18.5.6."
8.3.1. The CNG container shall be equipped at least with the following components, which may be either separate or combined:
8.3.1.1. Manual valve,
8.3.1.2. Automatic cylinder valve,
8.3.1.3. Pressure relief device,
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