This standard specifies the requirements, test methods, inspection rules, marking, packaging, transport, storage and delivery documents of quick-insert filling receptacle of DME vehicle.
This standard is applicable to the fuel filling receptacle of DME vehicle, in terms of which, the rated working pressure is 2.0MPa and the working environment temperature is -40℃~+ 85℃.
2 Normative references
The following normative documents contain provisions which, through reference in this text, constitute provisions of this standard. For dated references, subsequent amendments (excluding corrections), or revisions, of any of these publications do not apply to this standard. However parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent editions of the normative documents indicated below. For undated references, the latest edition of the normative document referred to applies.
GB/T 4423-2007 Copper and copper-alloy cold-drawn rod and bar
GB/T 10125-1997 Corrosion tests in artificial atmospheres - Salt spray tests (mod ISO 9227:1990)
GB/T 17895-1999 Natural gas vehicle and liquefied petroleum gas vehicle - Vocabulary
QC/T 813-2009 Technical requirements for special equipment of dimethyl-ether vehicles
3 Terms and definitions
For the purposes of this standard, the terms and definitions given in GB/T 17895-1999 and QC/T 813-2009 apply.
4 Requirements
4.1 General requirements
4.1.1 The basic type and size of the interface shall meet the requirements of Annex A.
4.1.2 There shall be no less than one check valve in the filling receptacle. The check valve consists of such spring and steel ball that are made of austenitic stainless steel.
