The purpose of This standard is to classaccess covers according to their loading strength and to spec介requirementsrelating to their design, construction, marking, testing and qual甸control.
EN 1253-4:1999 history
2016EN 1253-4:2016 Gullies for buildings - Part 4: Access covers
1999EN 1253-4:1999 Gullies for Buildings - Part 4: Access Covers