DIN 3901 is Non-soldering compression fittings with cutting ring - Double ended stud ends with parallel thread for stud ends type A
DIN 3901 standard is included in DIN Handbook 348. Applies to compression couplings with tapered stud end (hereinafter briefly referred to as couplings) and bore Type W in accordance with DIN 3861, which are used for solderless pipe joint assemblies.
Form A DIN 3852-1 and DIN 3852-2 dimensions:
Standards references as follows:
DIN HDBK 348 : 3ED 2015
DIN 3850 : 1998 COMPRESSION FITTINGS - SUMMARY
DIN EN ISO 8434-1