EN 12209 is a European standard that establishes performance requirements and test methods for mechanically operated locks and locking plates in the field of architectural hardware. It sets clear testing standards and grading systems for key indicators such as durability, security, fire resistance,
EN1906 Grade 4 lever handle, category of use: high frequency of use on doors which are subject to frequent violent usage, e.g. football stadiums, offshore installations (oil rigs), etc.
