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CSA HPIT 1 : 2015
Compressed hydrogen powered industrial truck on-board fuel storage and handling components

Compressed hydrogen powered industrial truck on-board fuel storage and handling components

Document No. CSA HPIT 1 Document Year 2015
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Standard Details

Preface This is the first edition of CSA HPIT 1, Compressed hydrogen powered industrial truck on-board fuel storage and handling components.  Scope 1.1This Standard establishes minimum requirements for the material, design, manufacture, and testing of newly produced compressed hydrogen gas fuel system components and serially produced, refillable Type HPIT 1 containers intended only for the storage of compressed hydrogen gas installed in powered industrial truck applications or other heavy duty industrial applications. The following are components covered under this Standard: a) check valveb) manual valvec) manual container valved) automatic valvee) pressure sensors and pressure gaugesf) pressure regulatorg) pressure relief deviceh) excess flow valvei) rigid fuel linej) flexible fuel linek) filterl) fittingsm) discharge line closuresn) containers - HPIT Types 1, 2, 3, and 4The construction of compressed hydrogen gas fuel system components and containers is covered under Clause 4. The performance of compressed hydrogen gas fuel system components and containers is covered under Clause 6. 1.2This Standard applies to containers permanently attached to the powered industrial truck and intended only for on-board refueling from a dispenser. 1.3This Standard does not apply to the following: a) stationary gas enginesb) containers that can be removed from the powered industrial truck, refilled, and reattachedc) reseating or resealing pressure relief devices1.4This Standard applies to devices that have a service pressure of either 25 MPa (3 636 psi), 35 MPa (5 076 psi), 50 MPa (7 251 psi), or 70 MPa (10 153 psi). 1.5It is recognized that other components and containers not specifically covered herein can be examined to meet the criteria of this Standard and tested according to the appropriate functional needs. Other regulations, standards, or codes may permit or require the use of components certified to comply with this Standard. Additional service conditions or requirements beyond the scope of this document are the responsibility of those standards development organizations or the authority having jurisdiction. 1.6All references to "psi" throughout this Standard are to be considered gauge pressures, unless otherwise specified. 1.7In the case of conflict between this Standard and Federal, Provincial, State, or local requirements, the government requirements take precedence. 1.8In this Standard, "shall" is used to express a requirement, i.e., a provision that the user shall 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. 

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