21/30422392 DC

This standard 21/30422392 DC BS ISO 11901-4. Tools for pressing. Gas springs is classified in these ICS categories:

• 25.120.10 Forging equipment. Presses. Shears

This document specifies the dimensions (in millimetres), nominal initial forces and types of gas springs.

It is applicable to gas springs with increased spring force and same built height of type 7 500 to 200 000, pressurized with nitrogen with a nominal initial force of between 7 400 N ± 5 % and 200 000 N ± 5 %, for use in press tools.

It also specifies marking, technical delivery conditions and designation.