DIN 3867 is Non-soldering compression couplings - Pressure bush for butt joints
DIN EN 3867 is for Aerospace series pipe couplings, loose flanges, and seals flanges in titanium alloy tip-p64001 material.
DIN 3867 applies to compression rings used in pneumatic brake systems and other pneumatic systems in road vehicles.
ICS Code (Flanges, couplings and joints): 23.040.60
compression coupling DIN 3867 Normatice references as follows:
ISO 286-2
EN 2424
EN 3310
EN 3311
EN 9100
Tr 4053