Filling device of natural gas vehicles
1 Scope
This standard specifies the definitions, types, technical requirements, test methods, inspection rules, marking, packaging, transportation and storage of filling device of natural gas vehicles.
It is applicable to filling device of natural gas vehicles with nominal working pressure of 1.6MPa (all pressure values mentioned in this standard are gauge pressure) and working medium meeting the requirements of GB/T 19204.
2 Normative references
The following normative documents contain provisions which, through reference in this text, constitute provisions of this standard. For dated reference, subsequent amendments to (excluding any corrections), or revisions of, any of these publications do not apply. However, parties to agreements based on this standard are encouraged to investigate the possibility of applying the latest editions of the standards indicated below. For undated references, the latest edition applies.
GB/T 191 Packaging - Pictorial marking for handling of goods
GB/T 1220 Stainless steel bars
GB/T 3864 Industrial nitrogen
GB/T 4240 Stainless steel wires
GB/T 4423 Copper and copper alloy cold-drawn rod and bar
GB/T 9969 General principles for preparation of instructions for use of industrial products
GB/T 10125 Corrosion tests in artificial atmospheres - Salt spray tests
GB/T 19204 General characteristics of liquefied natural gas
GB/T 20734 Mounting requirements for liquefied natural gas vehicle special equipment
CB/T 3764 Thickness series and quality requirements for metal plating and chemical coatings
QB/T 3626 Polytetrafluoroethylene rod
HG 2167 Poly(chlorotrifluoroethylene)
3 Terms and definitions
For the purposes of this standard, the following terms and definitions apply.
3.1
filling device
connecting part used for filling and recovering the liquefied natural gas in vehicle’s gas cylinder, consisting of a filling receptacle and a reclaiming receptacle
3.2
filling receptacle
connecting part installed on the vehicle and used for filling liquefied natural gas in vehicle’s gas cylinder after connecting with the filling gun
3.3
reclaiming receptacle
connecting part installed on the vehicle and used for recovering the residual gas in vehicle’s gas cylinder after connecting with the reclaiming gun of gas filling machine
Foreword i
1 Scope
2 Normative references
3 Terms and definitions
4 Basic types and specifications
5 Requirements
6 Test method
7 Inspection rules
8 Marking, packaging, transportation and storage
9 Ex-factory documents
Annex A (Normative) Basic structure type and joint dimensions of the filling receptacle
Annex B (Normative) Basic structure type and joint dimensions of the reclaiming receptacle
