DIN 3900 vs DIN 3901 vs DIN 3902 vs DIN 3903 Standard Fittings Dimension

Views: 483     Author: Site Editor     Publish Time: 2023-01-08      Origin: Site

DIN 3900 vs DIN 3901 vs DIN 3902 vs DIN 3903 Standard Fittings Dimension


DIN 3900 standard is for LL series compression couplings with taper stud end, metric tapered and thread as in DIN 158-1, BSP taper pipe thread as in DIN 3858, compression end details type W port as in DIN 3861 standard. The DIN 3900 fittings is often used in central lubrication fittings, male connectors. Material is carbon steel, finish is Fe/Zn 8C2C as in DIN EN ISO 4042.


DIN 3900 fitting dimensions as follow:

DIN 3900 fittings Straight male connector for lubrication system fittings


DIN 3901 standard is stud fittings with type A stud end as in DIN 3852, Series S 14 fittings and type B and E stud ends have been dropped by DIN EN ISO 8434-1 standard. It applies to screw-in sockets with cylindrical screw-in thread according to DIN 3852-1 and DIN 3852-2 and cutting ring connection according to DIN EN ISO 8434-1, used in solderless pipe fittings can be used, as well as for the cutting ring connection, nominal size LL 16 according to DIN 3861.


DIN 3901 fittings dimensions:

DIN 3901 Fittings type A stud Metric and G pipe thread

DIN 3901 Fittings type A stud Dimensions



DIN 3902 standard is non-soldered taper bush type pipe union adapter, cutting ring end is according to DIN 3861, metric thread end meet DIN 3853 standard, working pressure including LL series, L series, S series.


DIN 3902 fittings dimensions:

DIN 3902 Standard Fittings Dimensions

DIN 3902 Standard Straight Fittings Dimensions


DIN 3903 standard is compression fittings with cutting ring, elbow stud with taper thread stud end, cutting ring end is design as per DIN 3861, metric thread is as in DIN 3853, taper thread is as in DIN 3852-1 and DIN 3852-2 standard.


DIN 3903 fittings dimensions:


DIN 3903 Standard fittings dimensions

DIN 3903 fittings dimensions

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