BCGA issue TIS 18 Revision 3: 2018 - Date marking of gas accessories
Manufacturers & suppliers use various systems to identify the date at which certain items will require replacement or refurbishment. This document identifies the marking system employed by some BCGA members.
TIS 18 - Date marking of gas accessories. Revision 3: 2018 can be downloaded free of charge in the publications area of the website.
8 May 2018