Standard No.:	GB 18047-2017
English Name:	Compressed natural gas as vehicle fuel
Chinese Name:	车用压缩天然气
Chinese Classification:	E24    Natural gas
Professional Classification:	GB    National Standard
Source Content Issued by:	AQSIQ; SAC
Issued on:	2017-9-7
Implemented on:	2018-4-1
Status:	to be superseded
Superseded by:	GB 18047-2026 Compressed natural gas as vehicle fuel
Superseded on:	2027-8-1
Superseding:	GB 18047-2000 Compressed natural gas as vehicle fuel
Target Language:	English
File Format:	PDF
Word Count:	4000 words
Translation Price(USD):	110.0
Delivery:	via email in 1 business day

Compressed Natural Gas as Vehicle Fuel 1 Scope This standard specifies technical requirements and test methods of compressed natural gas as vehicle fuel. This standard is applicable to compressed natural gas as vehicle fuel at the pressure no greater than 25 MPa. 2 Normative References The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. GB/T 11060.1 Natural Gas - Determination of Sulfur Compound - Part 1: Determination of Hydrogen Sulfide Content by Iodometric Titration Method GB/T 11060.2 Natural Gas - Determination of Sulfur Compound - Part 2: Determination of Hydrogen Sulfide Content by Methylene Blue Method GB/T 11060.3 Natural Gas - Determination of Sulfur Compound - Part 3:Determination of Hydrogen Sulfide Content by Lead Acetate Reaction Rate Dual Photo Path Method GB/T 11060.4 Natural Gas - Determination of Sulfur Compound - Part 4: Determination of Total Sulfur Content by Oxidative Microcoulometry Method GB/T 11060.5 Natural Gas - Determination of Sulfur Compound - Part 5:Determination of Total Sulfur Content by Hydrogenolysis and Rateometric Colorimetry Method GB/T 11060.7 Natural Gas - Determination of Sulfur Compounds - Part 7:Determination Of Total Sulfur Content by Lingener Combustion Method GB/T 11060.8 Natural Gas - Determination of Sulfur Compound - Part 8: Determination of Total Sulfur Content by Ultraviolet Fluorescence Method GB/T 11062 Natural Gas - Calculation of Calorific Values, Density, Relative Density and Wobbe Index from Composition GB/T 13609 Natural Gas - Sampling Guidelines GB/T 13610 Analysis of Natural Gas Composition - Gas Chromatography GB/T 13611-2006 Classification and Essential Property of City Gas GB/T 17258 Steel Cylinders for the On-board Storage of Compressed Natural Gas as a Fuel for Automotive Vehicles GB/T 17283 Determination of the Water Dew Point of Natural Gas - Cooled Surface Condensation Hygrometers GB/T 18619.1 Natural gas - Determination of Water by the Karl Fischer Method - Coulometric Procedure GB/T 19158 Steel Cylinders for the Storage of Compressed Natural Gas GB/T 21069 Natural gas - Determination of Water Content at High Pressure GB/T 22634 Conversion between Water Content and Water Dew Point of Natural Gas GB/T 27894.3 Natural Gas - Determination of Composition With Defined Uncertainty by Gas Chromatography - Part 3: Determination Of Hydrogen, Helium, Oxygen, Nitrogen, Carbon Dioxide and Hydrocarbons Up to C8 Using Two Packed Columns GB/T 27894.4 Natural Gas - Determination of Composition with Defined Uncertainty by Gas Chromatography - Part 4: Determination of Nitrogen, Carbon Dioxide and C1 to C5 and C6+ Hydrocarbons for A Laboratory and On-line Measuring System Using Two Columns GB/T 27894.5 Natural Gas - Determination of Composition With Defined Uncertainty by Gas Chromatography - Part 5:Determination of Nitrogen, Carbon Dioxide and C1 to C5 and C+6 Hydrocarbons for A Laboratory and On-line Process Application Using Three Columns GB/T 27894.6 Natural Gas - Determination of Composition with Defined Uncertainty by Gas Chromatography - Part 6: Determination of Hydrogen Helium Oxygen Nitrogen Carbon Dioxide and C1 to C8 Hydrocarbons Using Three Capillary Columns GB/T 27896 Test Method for Water Vapor Content of Natural Gas Using - Electronic Moisture Analyzers TSGR 0004 Supervision Regulation on Safety Technology for Stationary Pressure Vessel 3 Terms and Definitions For the purposes of this document, the following terms and definitions apply. 3.1 compressed natural gas; CNG compressed gas fuel with the principal ingredient of methane 3.2 compressed natural gas as vehicle fuel Compressed natural gas stored with pressure vessel and used as vehicle fuel 4 Technical Requirements and Test Methods 4.1 The technical indexes of compressed natural gas as vehicle fuel shall be in accordance with those specified in Table 1 Table 1 Technical Indexes of Compressed Natural Gas as Vehicle Fuel

Foreword i 1 Scope 2 Normative References 3 Terms and Definitions 4 Technical Requirements and Test Methods 5 Storage and Use 6 Inspection Annex A (Informative) Calculation Method of Methane Number Annex B (Informative) Category of Compressed Natural Gas