GB/T 18364-2017 (GBT 18364-2017)

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GB/T 18364-2017
GB
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 43.060.40
T 13
Replacing GB/T 18364.1-2001, GB/T 18364.2-2005
Filling receptacle of LPG vehicle
ISSUED ON. OCTOBER 14, 2017
IMPLEMENTED ON. MAY 1, 2018
Issued by. General Administration of Quality Supervision, Inspection and
Quarantine of the PRC;
Standardization Administration of the PRC.
Table of Contents
Foreword . 3 
1 Scope .. 5 
2 Normative references .. 5 
3 Terms and definitions .. 5 
4 Types and model .. 6 
5 Requirements .. 6 
6 Test methods .. 9 
7 Inspection rules .. 12 
8 Marks, packing, transport, and storage . 14 
9 Exit-factory document .. 15 
Appendix A (Normative) Types and dimensions of filling receptacle .. 16 
Foreword
This Standard is drafted in accordance with the rules given in GB/T 1.1-2009.
This Standard replaces GB/T 18364.1-2001 “Filling receptacle of LPG vehicle
(spiral)” and GB/T 18364.2-2005 “Filling receptacle of LPG vehicle - Part 2.
Insert”.
This Standard integrates the content of GB/T 18364.1-2001 and GB/T 18364.2-
2005. Besides the editorial modification, the main changes are as follows.
- REFER to ECE R67 Code; the nominal working pressure of the filling
receptacle of LPG vehicle is changed from 2.2 MPa to 3.0 MPa; the
working environment temperature is changed from -40 °C~60 °C to -
40 °C~65 °C;
- ADD reference to GB/T 528 “Rubber, vulcanized or thermoplastic -
Determination of tensile stress-strain properties” and GB/T 10567.2
“Wrought copper and copper alloys - Detection of residual stress -
Ammonia test”;
- ADD the requirement for the front volume of one-way valve of filling
receptacle of LPG vehicle with total mass≤3500 kg and total mass>3500
kg;
- DELETE the provision on the diameter of filling receptacle in GB/T 18364.1-
2001 and GB/T 18364.2-2005; ADD the requirement for the flow of filling
receptacle of LPG vehicle with total mass≤3500 kg and total mass>3500
kg;
- ADD the requirement for the opening pressure of one-way valve;
- ADOPT the performance requirements for the filling receptacle of LPG
vehicle and the corresponding test methods in ECE R67 Code.
This Standard was proposed by and shall be under the jurisdiction of Ministry
of Industry and Information Technology of the PRC.
Drafting organizations of this Standard. Shanghai Xingdi Environmental
Protection Equipment Co., Ltd., Chengdu Gaoyuan Automobile Manufacturing
Co., Ltd., Shudu Bus Corporation, Shanghai Sunwin Bus Corporation, China
Automotive Technology and Research Center Co., Ltd.
Main drafters of this Standard. Sun Yongshun, Cao Changzhen, Yang Weinong,
Zhou Hong, Zhang Tongzhu, Yu Ze, Wo Zhuling.
Filling receptacle of LPG vehicle
1 Scope
This Standard specifies the definitions, types, technical requirements, test
methods, inspection rules, marks, packing, exit-factory document, transport,
and storage of filling receptacle of LPG vehicle.
This Standard is applicable to the filling receptacle of LPG vehicle, which uses
the LPG vehicle as required in GB 19159 as the fuel, of which the nominal
working pressure is 3.0 MPa (The pressure value described in this Standard is
gauge pressure) and the working environment temperature is -40 °C~65 °C.
2 Normative references
The following documents are essential to the application of this document. For
the dated references, only the versions with the dates indicated are applicable
to this document. For the undated references, the latest version (including all
the amendments) are applicable to this document.
GB/T 528 Rubber, vulcanized or thermoplastic - Determination of tensile
stress-strain properties
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 10567.2 Wrought copper and copper alloys - Detection of residual
stress - Ammonia test
GB/T 17895 Natural gas vehicle and liquefied petroleum gas vehicle -
Vocabulary
GB 19159 Automotive liquefied petroleum gases
GB 19239 Mounting requirements of special equipment for gas vehicle
CB/T 3764 Thickness Series and Quality Requirements for Metallic and
Chemical Coatings
3 Terms and definitions
5.1.4 The installation of filling receptacle on a vehicle shall comply with the
provisions of GB 19239.
5.1.5 The metal parts of filling receptacle shall not use castings or die castings.
5.1.6 In the filling receptacle, the appearance requirements of all parts treated
with metal and chemical coatings shall comply with the relevant provisions of
GB/T 3764.
5.1.7 The front volume of one-way valve. For the filing receptacle of LPG vehicle
with total mass≤3500 kg, it shall≤0.1 cm3; for the filing receptacle of LPG vehicle
with total mass>3500 kg, it shall≤0.5 cm3.
5.1.8 With water as the test medium, under 0.3 MPa pressure difference, the
flow through the filing receptacle of LPG vehicle with total mass≤3500 kg
shall≥20 L/min; under 0.3 MPa pressure difference, the flow through the filing
receptacle of LPG vehicle with total mass>3500 kg shall≥30 L/min.
5.1.9 When the pressure difference between the inlet and outlet of filling
receptacle≤0.2 MPa, the one-way valve shall be opened.
5.2 Performance requirements
5.2.1 Hydrostatic pressure strength
After the test of hydrostatic pressure strength is carried out according to the
method specified in 6.3, the pressure bearing parts of filling receptacle shall be
free of visible cracks or permanent deformation.
5.2.2 Air tightness
According to the method specified in 6.4, CARRY out air tightness test, the
leakage rate≤15 cm3/h.
5.2.3 One-way valve leak-proof
According to the method specified in 6.5, CARRY out the test, at any air
pressure in 3 MPa~0.05 MPa, the leakage rate≤15 cm3/h.
5.2.4 Temperature resistance
After the temperature resistance test is carried out according to the method
specified in 6.6, the air tightness shall comply with the requirement of 5.2.2.
5.2.5 Durability
After completing the temperature cycling test, according to the method specified
6.8.2 SEAL the outlet of filling receptacle and PLACE it horizontally; according
to the neutral salt spray test method specified in GB/T 10125, CARRY out the
salt spray test for 96 h. After the test, according to 6.3, 6.4, and 6.6, CARRY out
the test of hydrostatic pressure strength, air tightness test, and temperature
resistance test.
6.9 Compatibility test
After the non-metal parts in contact with LPG are immersed in n-pentane or n-
hexane at 23 °C±2 °C for 72 h, and are stored at room temperature for 48 h; it
shall measure the volume expansion rate and mass reduction rate.
6.10 Test of dry heat resistance
After the non-metal parts in contact with LPG are placed at 65 °C for 168 h,
according to the method specified in GB/T 528, CHECK the change in tensile
strength and elongation.
6.11 Test of oxygen aging resistance
Under 40 °C temperature and 20% stress, PLACE the non-metal parts in
contact with LPG in the air with ozone content 50×10-8 for 72 h; USE a
magnifying glass of 2 times to check the surface.
6.12 Creep test
After the non-metal parts in contact with LPG are maintained in water at 120 °C
and 6.75 MPa for 96 h, according to the provisions of 6.4 and 6.6, CARRY out
air tightness test and temperature resistance test.
6.13 Temperature cycling test
Under 3 MPa pressure, the non-metal parts in contact with LPG are subjected
to the temperature cycling test from -40 °C~65 °C for 96 h. After the test,
according to the provisions of 6.4 and 6.6, CARRY out air tightness test and
temperature resistance test.
6.14 Vibration resistance test
6.14.1 SECURE the test piece on a vibration test bench; SELECT one of the
test methods described in 6.14.2 or 6.14.3 to carry out vibration resistance test.
After the test, CHECK the connection of each part of test piece; according to
6.4, CARRY out air tightness test.
6.14.2 The test is carried out on a sinusoidal vibration bench. The constant
acceleration is 1.5 g. The frequency range is 5 Hz~200 Hz. The test shall last
for 5 h in each of the three orthogonal coordinate axes. The frequency band of
product use instructions shall be enclosed.
8.3 Transport and storage
8.3.1 During shipment, the products shall be handled with care, to prevent
heavy pressure and collision, and to prevent the erosion of rain and chemicals.
8.3.2 The products shall be stored in ventilated, dry, and clean room.
9 Exit-factory document
9.1 Contents to be specified in product qualification certificate
It shall specify the following contents.
a) Manufacturer’s name and trademark;
b) Product model and No.;
c) Signature and seal of inspection department and inspection date.
9.2 Packing list
When there are accessories (such as joints, special tools, etc.) outside the filling
receptacle in the packing box, it shall enclose a packing list.
9.3 Product use instructions
The instructions shall be developed in accordance with GB/T 9969. And the
following contents shall be explained in particular.
a) Structure type and function introduction of filling receptacle;
b) Fault identification and elimination methods during use.