ISO 11901-3:2014 specifies the dimensions (in millimetres), nominal initial forces and types of gas springs.
It is applicable to gas springs with increased spring force and compact built height of type 1 700 to 200 000, pressurized with nitrogen with a nominal initial force of between 1 700 N ± 5 % and 200 000 N ± 5 %, for use in press tools.
It also specifies marking, technical delivery conditions and designation.