DIN 8912 Coupling nuts and screwed plugs for use with PN 40 flared flange solderless compression couplings in refrigerating systems
Coupling nut dimensions as follow:

Screw plugs dimensions as follow:

DIN 8912 Coupling nuts and screwed plugs for use with PN 40 flared flange solderless compression couplings in refrigerating systems
Coupling nut dimensions as follow:

Screw plugs dimensions as follow:
