Breakaway Devices for Liquefied Natural Gas Dispensing

CSA Group
Standards Development Organisation:
Canadian Standards Association (operating as CSA Group)
Working Program:
View the CSA work program
Designation Number:
LNG 4.4
Standard Type:
Consensus SDO Standard
Standard Development Activity:
New Standard
Status:
Proceeding to development
SDO Comment Period Start Date:
SDO Comment Period End Date:
Posted On:

Scope:

This standard applies to newly produced liquefied natural gas vehicle dispenser shear valves and fueling hose emergency breakaway shutoff devices, which are intended to:  1. Minimize the escape of liquefied natural gas by automatically shutting off the flow of gas from the dispenser and control the depressurization of the hose; 2. Minimize damage to the vehicle and dispenser when a vehicle is driven off with the nozzle attached to the vehicle's fueling receptacle; and 3. Automatically shut off the flow of gas in the event of a vehicular collision with a fuel dispenser that results in the displacement of the dispenser from its gas supply connection.

Note: The information provided above was obtained by the Standards Council of Canada (SCC) and is provided as part of a centralized, transparent notification system for new standards development. The system allows SCC-accredited Standards Development Organizations (SDOs), and members of the public, to be informed of new work in Canadian standards development, and allows SCC-accredited SDOs to identify and resolve potential duplication of standards and effort.

Individual SDOs are responsible for the content and accuracy of the information presented here. The text is presented in the language in which it was provided to SCC.