DIN 3869 Profile Ring Description

DIN Profile Rings, according to DIN 3869 are used as axially static soft seals in combination with threaded elements. Common applications include construction machinery, hydraulic presses, injection machines, fittings, hydraulic valves, and threaded tube connections in general industry.

The special shape of Profile Rings enables them to be used in high-pressure applications, compensate for manufacturing tolerances, and provide reliable sealing action.

Compound Profile Image Material Durometer Color Temp Range
N85 Nitrile (Buna) Profile Ring Image NBR (Buna-N, Nitrile) 85 Shore A Black -30 to 100ºC (-22 to 212ºF)
V80 Viton (FKM) Profile Ring Image Viton (FKM) 80 Shore A Green -20 to 200ºC (-4 to 392ºF)
E80 EPDM Profile Ring Image EPDM 80 Shore A Purple -45 to 150ºC (-49 to 302ºF)

 

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DIN 3869 Profile Ring Dimensions

Dimensions of DIN 3869 Profile Rings are defined by inside diameter (ID), outside diameter (OD), thickness (T and T1).

DIN 3869 Profile Ring Part Numbers

Our DIN 3869 Profile Ring part numbers all start with PR and follow a similar format:

DIN 3869 Profile Ring Size Chart

Nominal Size (mm) Thread (metric) Thread (inch) ID OD T +/- 0.1 T1 +/- 0.2
8 M8 x 1.0 6.5 9.9 1 0.5
10 M10 x 1 G 1/8 A 8.4 11.9 1 0.5
12 M12 x 1.5 9.8 14.4 1.5 0.8
14 M14 1.5 G 1/4 A 11.6 16.5 1.5 0.8
16 M16 x 1.5 13.8 18.9 1.5 0.8
17 G 3/8 A 14.7 18.9 1.5 0.8
18 M18 x 1.5 15.7 20.9 1.5 0.8
20 M20 x 1.5 17.8 22.9 1.5 0.8
21 G 1/2 A 18.5 23.9 1.5 0.8
22 M22 x 1.5 19.6 24.3 1.5 0.8
24 M24 x 1.5 21.8 26.9 1.5 0.8
27 M26 x 1.5 / M27 x 2.0 G 3/4 A 23.9 29.2 1.5 0.8
30 M30 x 1.5 27.7 32.7 2 0.8
33 M33 x 2.0 G 1 A 29.7 35.7 2 1
38 M38 x 1.5 35.9 43.2 2.4 1
42 M42 x 2.0 G 1 1/4 A 38.8 45.8 2 1
48 M48 x 2.0 G 1 1/2 A 44.7 50.7 2 1
60 M60 x 2.0 G 2 A 56.5 66.1 4 2