DIN 3869 Profile Rings

Profile sealing 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 industry in general.

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

din3869-diag

Materials

Global O-Ring offers Profile Rings in NBR, FKM, and EPDM. NBR is suitable for diverse applications in temperatures from -40 to 100 °C. For more aggressive media and temperatures up to 200 °C, FKM is commonly used. EPDM is mostly used with special media such as water.

DIN3869-table

DIN 3869 Profile Rings Size Chart

Nominal Size 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

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