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GB/T 30718-2014 PDF English

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GB/T 30718-2014: Compressed hydrogen surface vehicle refueling connection devices
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Standard ID	Contents [version]	USD	STEP2	[PDF] delivery	Name of Chinese Standard	Status
GB/T 30718-2014	English	395	Add to Cart	0-9 seconds. Auto-delivery	Compressed hydrogen surface vehicle refueling connection devices	Valid

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GB/T 30718-2014: Compressed hydrogen surface vehicle refueling connection devices

---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/GBT30718-2014
GB NATIONAL STANDARD OF THE PEOPLE’S REPUBLIC OF CHINA ICS 27.010 F 19 Compressed hydrogen surface vehicle refueling connection devices (ISO 17268.2006, NEQ) Issued on. JUNE 09, 2014 Implemented on. OCTOBER 01, 2014 Issued by. General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China; Standardization Administration of the People's Republic of China.

Foreword... 3 1 Scope... 4 2 Normative references... 4 3 Terms and definitions... 4 4 General requirements... 6 5 Nozzle... 7 6 Standard receptacle size... 8 7 Receptacle... 9 8 Instructions... 10 9 Marks... 10 10 Design verification test procedures... 11

Foreword

This Standard was drafted in accordance with the rules given in GB/T 1.1-2009. This Standard uses redrafting method to refer to ISO 17268.2006 "Gaseous hydrogen land vehicle refuelling connection devices" to prepare. The degree of conformance to ISO 17268.2006 is not equivalent. This Standard was proposed by and shall be under the jurisdiction of National Technical Committee on Hydrogen Energy of Standardization Administration of China (SAC/TC 309). The drafting organizations of this Standard. Tongji University, China Institute of Standardization, China Automotive Technology and Research Center, Shanghai Shunhua New Energy Systems Co., Ltd., Tsinghua University, Zhejiang University. Main drafters of this Standard. Ma Jianxin, Pan Xiangmin, Wang Geng, Li Zheng, Liu Shaojun, Li Yan, Wang Cheng, Xu Ping, Ou Kesheng. Compressed hydrogen surface vehicle refueling connection devices

1 Scope

This document specifies the definitions, design requirements, safety requirements, test methods and inspection rules for compressed hydrogen surface vehicle refueling connection devices. The compressed hydrogen surface vehicle refueling connection devices described in this Standard consists of two parts. receptacle and its protective cap (installed on the vehicle), and nozzle. This Standard is applicable to compressed hydrogen surface vehicle refueling connection devices where the working medium is compressed hydrogen, the working pressure is 25 MPa and 35 MPa, and the ambient temperature is 15°C.

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 24548-2009, Fuel cell electric vehicles - Terminology GB/T 24549-2009, Fuel cell electric vehicles - Safety requirements ISO 188, Rubber vulcanized - Accelerated ageing or heat resistance tests ISO 1817, Rubber, vulcanized - Determination of the effect of liquids

3 Terms and definitions

For the purposes of this document, the terms and definitions defined in GB/T 24548- 2009 as well as the followings apply. 3.1 dry air Air with a maximum dew point of -40°C. 3.2 connector A receptacle and nozzle assembly that can be quickly loaded and unloaded to refuel compressed hydrogen vehicles or storage systems. 3.3 cycle An entire process that includes the connection between the nozzle and the receptacle, pressurizing to the design pressure, pressure relief and disconnection. 3.4 design pressure The maximum pressure that the component can withstand in actual work. 3.5 dry hydrogen Hydrogen that meets or exceeds the quality requirements of ISO 14687-2. 3.6 dry helium Helium that the dew point is just right to prevent condensation during testing, and the purity is greater than 99%. 3.7 leak test gas The gas used for leak testing can be dry hydrogen, dry helium, or nitrogen containing more than 10% hydrogen or helium.

4 General requirements

4.1 The nozzle and the receptacle of the compressed hydrogen surface vehicle designed in accordance with this Standard shall meet safety, durability and maintainability requirements. 4.2 The nozzle and the receptacle of the compressed hydrogen surface vehicle shall have good matching and be manufactured according to engineering application requirements. 4.3 The design of the nozzle and the receptacle of the compressed hydrogen surface vehicle shall. 4.4 The materials used for the nozzle and the receptacle of the compressed hydrogen surface vehicle shall be compatible with compressed hydrogen within the design pressure and temperature range (see 3.4, 5.9 and 7.7). 4.5 Tools shall not be used when connecting and disconnecting the connector of the compressed hydrogen surface vehicle. 4.6 The receptacle of the compressed hydrogen surface vehicle shall be installed on the vehicle in accordance with the requirements of GB/T 24549-2009.

5 Nozzle

5.1 Nozzles shall comply with the dimensional requirements of Chapter 6.The design of the nozzle shall ensure that it can only be used in connection with the receptacle of a higher working pressure level. Avoid connecting to receptacles with lower operating pressure levels. 5.2 The nozzle shall be one of the three types described below. 5.6 The installation of the nozzle shall meet the requirements of ISO 15501-2. 5.7 The nozzle shall have filters and other protective measures to prevent upstream solid matter from entering. 5.8 When the pressure inside the nozzle head is greater than 0.7 MPa, the nozzle shall not be able to be removed. 5.9 The nozzle shall work normally in the ambient temperature range of -40℃~60℃ and the hydrogen temperature range of -40℃~85℃. 5.10 The nozzle shall not mechanically open the receptacle check valve.

6 Standard receptacle size

The receptacle shall comply with the design parameters in Figures 1 and 2.

7 Receptacle

7.1 Failure in any test of the receptacle and nozzle samples can be attributed to the failure of the receptacle design. In addition, according to the maintenance methods specified by the manufacturer, the service life of the receptacle shall be 15 years or 30000 cycles. 7.3 The receptacle shall be equipped with a built-in one-way valve to prevent gas leakage. The one-way valve shall be non-contact and can only be opened by a pressure difference. 7.4 The connection between the receptacle and the vehicle fuel system cannot be threaded and sealed. 7.6 The receptacle shall be able to be securely mounted on the vehicle and comply with the abnormal load test requirements of 10.7. 7.7 The working temperature range of the receptacle is -40℃~60℃.

8 Instructions

The manufacturer of the receptacle and nozzle shall provide concise and easy-to- understand instructions, which shall at least contain the followings.

9 Marks

9.1 The marks on the receptacle and nozzle shall be clear and easy to understand. Permanently marked nameplate shall be mechanically attached to the part. 9.2 The nozzle and air receptacle shall have the following information. 9.3 All components shall be marked in compliance with this standard. The mark can be printed on the packaging or on the notification sheet inside the equipment shipping package. ......
Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al.

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How to buy and download a true PDF of English version of GB/T 30718-2014?

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Step 1: Visit website https://www.ChineseStandard.net (Pay in USD), or https://www.ChineseStandard.us (Pay in any currencies such as Euro, KRW, JPY, AUD).
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