CSA/ANSI規格 HGV 2, 3rd Edition, 2023: Compressed Hydrogen Gas Vehicle Fuel Containers
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Description
General
This Standard contains requirements for the material, design, manufacture, marking, and testing of serially produced, refillable Type HGV 2 containers intended only for the storage of compressed hydrogen gas for on-road vehicle operation. These containers
a) are to be permanently attached to the vehicle
b) have a capacity of up to 1000 L (35.4 ft3) water capacity and
c) have a nominal working pressure that does not exceed 70 MPa.
Container type
Cylindrical containers
Type HGV 2 containers are designated as follows:
a) Type 1: seamless metal container
b) Type 2: hoop wrapped container with resin-impregnated continuous filaments and a metal liner
c) Type 3: fully wrapped container with resin-impregnated continuous filaments and a metal liner and
d) Type 4: fully wrapped container with resin-impregnated continuous filaments and a nonmetallic liner.
Conformable containers
Conformable container types are designated as follows:
a) CT1: container or assembly of a non-cylindrical or non-spherical shape without a protective shell
b) CT2: container or assembly of non-axisymmetric shape within a full or partial protective shell that is acting as a shield and not directly assisting the pressure-containing elements with containing gas pressure and
c) CT3: container or assembly of non-axisymmetric shape within a conformable protective shell that is acting as a shield and directly assisting the pressure-containing elements with containing gas pressure.
Welded containers
This Standard does not cover welded metal containers or welded metal liners.
Units of measurement
The values given in SI units are the units of record for the purposes of this Standard. The values given in parentheses are for information and comparison only.
Terminology
In this Standard, “shall” is used to express a requirement, i.e., a provision that the user is obliged to satisfy in order to comply with the Standard; “should” is used to express a recommendation or that which is advised but not required; and “may” is used to express an option or that which is permissible within the limits of the Standard.
Notes accompanying clauses do not include requirements or alternative requirements; the purpose of a note accompanying a clause is to separate from the text explanatory or informative material.
Notes to tables and figures are considered part of the table or figure and may be written as requirements.
Annexes are designated normative (mandatory) or informative (non-mandatory) to define their application.