O-rings and round cords
With their simple geometry and excellent properties, O-rings and round cords serve a variety of static and dynamic fuctions. We manufacture O-rings in all customary dimensions and materials as well as in special sizes and compounds.
Boxes
GROMEX supplies O-Rings in various assortment boxes.
Rod Seal
O-ring radially pressed.
Piston seal
O-ring radially pressed.
Flange seal
O-ring axially pressed.
Inner diameter up to mm |
allowed tolerance |
Shore Hardness | |||
---|---|---|---|---|---|
1.80 ±0.08 | 2.65 ±0.09 | 3.55 ±0.10 | 5.33 ±0.13 | ||
2.15 | ±0.13 | * | |||
2.80 | ±0.14 | * | |||
4.50 | ±0.14 | * | |||
4.87 | ±0.15 | * | |||
6.30 | ±0.15 | * | |||
6.17 | ±0.16 | * | |||
8.50 | ±0.16 | * | |||
8.76 | ±0.17 | * | |||
10.00 | ±0.17 | * | |||
10.50 | ±0.18 | * | |||
11.20 | ±0,19 | * | |||
14.00 | ±0.19 | * | * | ||
15.00 | ±0.20 | * | * | ||
17.00 | ±0.21 | * | * | ||
18.00 | ±0.21 | * | * | ||
19.00 | ±0.22 | * | * | ||
21.20 | ±0.23 | * | * | ||
22.40 | ±0.24 | * | * | ||
25.00 | ±0.25 | * | * | ||
25.80 | ±0.26 | * | * | ||
28.00 | ±0.28 | * | * | ||
30.00 | ±0.29 | * | * | ||
31.50 | ±0.31 | * | * | ||
32.50 | ±0.32 | * | * | ||
33.50 | ±0.32 | * | * | ||
34.50 | ±0.33 | * | * | ||
35.50 | ±0.34 | * | * | ||
36.50 | ±0.35 | * | * | ||
37.50 | ±0.36 | * | * | ||
38.70 | ±0.37 | * | * | ||
40.00 | ±0.38 | * | * | ||
41.20 | ±0.39 | * | * | ||
42.50 | ±0.40 | * | * | ||
43.70 | ±0.41 | * | * | ||
45.00 | ±0.42 | * | * | ||
46.20 | ±0.43 | * | * | ||
47.50 | ±0.44 | * | * | ||
48.70 | ±0.45 | * | * | ||
50.00 | ±0.46 | * | * | ||
51.50 | ±0.47 | * | * | ||
53.00 | ±0.48 | * | * | ||
54.50 | ±0.50 | * | * | ||
56.00 | ±0.51 | * | * | ||
58.00 | ±0.52 | * | * | ||
60.00 | ±0.54 | * | * | ||
61.50 | ±0.55 | * | * | ||
63.00 | ±0.56 | * | * | ||
65.00 | ±0.58 | * | * | ||
67.00 | ±0.59 | * | * | ||
69.00 | ±0.61 | * | * | ||
71.00 | ±0.63 | * | * | ||
73.00 | ±0.64 | * | * | ||
75.00 | ±0.66 | * | * | ||
77.50 | ±0.67 | * | * | ||
80.00 | ±0.69 | * | * | ||
82.50 | ±0.71 | * | * | ||
85.00 | ±0.73 | * | * | ||
87.50 | ±0.75 | * | * | ||
90.00 | ±0.77 | * | * | ||
92.50 | ±0.79 | * | * | ||
95.00 | ±0.81 | * | * | ||
97.50 | ±0.83 | * | * | ||
100.00 | ±0.84 | * | * | ||
103.00 | ±0.87 | * | * | ||
106.00 | ±0.89 | * | * | ||
109.00 | ±0.91 | * | * | ||
112.00 | ±0.93 | * | * | ||
115.00 | ±0.95 | * | * | ||
118.00 | ±0.97 | * | * | ||
122.00 | ±1.00 | * | * | ||
125.00 | ±1.03 | * | * | ||
128.00 | ±1.05 | * | * | ||
132.00 | ±1.08 | * | * | ||
136.00 | ±1.10 | * | * | ||
140.00 | ±1.13 | * | * | ||
145.00 | ±1.17 | * | * | ||
150.00 | ±1.20 | * | * | ||
155.00 | ±1.24 | * | * | ||
160.00 | ±1.27 | * | * | ||
165.00 | ±1.31 | * | * | ||
170.00 | ±1.34 | * | * | ||
175.00 | ±1.38 | * | * | ||
180.00 | ±1.41 | * | * | ||
185.00 | ±1.44 | * | * | ||
190.00 | ±1.48 | * | * | ||
195.00 | ±1.51 | * | * | ||
200.00 | ±1.55 | * | * | ||
206.00 | ±1.59 | * | |||
212.00 | ±1.63 | * | |||
218.00 | ±1.67 | * | |||
224.00 | ±1.71 | * | |||
230.00 | ±1.75 | * | |||
236.00 | ±1.79 | * | |||
243.00 | ±1.83 | * | |||
250.00 | ±1.88 | * | |||
258.00 | ±1.93 | * | |||
265.00 | ±1.98 | * | |||
272.00 | ±2.02 | * | |||
280.00 | ±2.08 | * | |||
290.00 | ±2.14 | * | |||
300.00 | ±2.21 | * | |||
307.00 | ±2.25 | * | |||
315.00 | ±2.30 | * | |||
325.00 | ±2.37 | * | |||
335.00 | ±2.43 | * | |||
345.00 | ±2.49 | * | |||
355.00 | ±2.56 | * | |||
365.00 | ±2.62 | * | |||
375.00 | ±2.68 | * | |||
387.00 | ±2.76 | * | |||
400.00 | ±2.84 | * | |||
412.00 | ±2.91 | ||||
425.00 | ±2.99 | ||||
437.00 | ±3.07 | ||||
450.00 | ±3.15 | ||||
462.00 | ±3.22 | ||||
475.00 | ±3.30 | ||||
487.00 | ±3.37 | ||||
500.00 | ±3.45 | ||||
515.00 | ±3.54 | ||||
530.00 | ±3.63 | ||||
545.00 | ±3.72 | ||||
560.00 | ±3.81 | ||||
580.00 | ±3.93 | ||||
600.00 | ±4.05 | ||||
615.00 | ±4.13 | ||||
630.00 | ±4.22 | ||||
650.00 | ±4.34 | ||||
670.00 | ±4.46 |
ARP/ASTM Shore Hardness (d2) | ||||
---|---|---|---|---|
1.78 | 2.62 | 3.53 | 5.33 | 6.99 |
0,74 | 1,24 | 4,34 | 10,46 | 100,97 |
1,07 | 2,06 | 5,94 | 12,07 | 113,67 |
1,42 | 2,84 | 7,52 | 13,64 | 116,84 |
1,78 | 3,63 | 9,12 | 15,24 | 120,02 |
2,24 | 4,42 | 10,69 | 16,81 | 123,19 |
2,57 | 4,75 | 12,29 | 18,42 | 126,37 |
2,9 | 5,23 | 13,87 | 19,99 | 129,54 |
3,17 | 6,02 | 15,47 | 21,59 | 132,72 |
3,35 | 7,59 | 17,04 | 23,16 | 135,89 |
3,68 | 9,19 | 18,64 | 24,77 | 139,07 |
4,47 | 10,77 | 20,22 | 26,34 | 142,24 |
4,76 | 11,44 | 21,82 | 27,94 | 145,42 |
5,28 | 12,37 | 23,39 | 29,51 | 148,59 |
5,37 | 13,94 | 24,99 | 31,12 | 151,77 |
6,07 | 15,08 | 26,57 | 32,69 | 158,12 |
6,35 | 15,54 | 28,17 | 34,29 | 164,47 |
6,47 | 15,88 | 29,74 | 37,47 | 170,82 |
6,75 | 17,12 | 31,34 | 40,64 | 177,17 |
7,65 | 17,86 | 32,92 | 43,82 | 183,52 |
7,94 | 18,72 | 34,52 | 46,99 | 189,87 |
8,13 | 19,05 | 36,09 | 48,32 | 196,22 |
8,73 | 20,29 | 37,69 | 50,17 | 202,57 |
9,25 | 21,89 | 40,87 | 53,34 | 215,27 |
9,66 | 23,47 | 41,28 | 56,52 | 227,97 |
10,82 | 23,99 | 42,57 | 59,69 | 240,67 |
12,42 | 25,07 | 42,86 | 62,87 | 253,37 |
14 | 26,64 | 44,04 | 66,04 | 266,07 |
14,43 | 28,24 | 44,45 | 69,22 | 278,77 |
15,6 | 29,82 | 45,36 | 72,39 | 291,47 |
17,17 | 31,42 | 46,06 | 73,39 | 304,17 |
17,74 | 32,99 | 47,22 | 75,57 | 316,87 |
18,77 | 34,59 | 47,63 | 78,74 | 329,57 |
20,35 | 36,17 | 49,21 | 81,92 | 342,27 |
21,95 | 37,21 | 50,39 | 82,87 | 354,97 |
22,67 | 37,77 | 51,94 | 85,09 | 367,67 |
23,52 | 39,34 | 52,39 | 88,27 | 380,37 |
25,12 | 40,04 | 53,57 | 91,44 | 393,07 |
26,7 | 40,59 | 53,98 | 94,62 | 405,26 |
27,5 | 40,94 | 55,56 | 97,79 | 417,96 |
28,3 | 42,52 | 56,74 | 100,97 | 430,66 |
29,87 | 44,12 | 57,15 | 104,14 | 443,36 |
31,47 | 45,69 | 58,74 | 107,32 | 456,06 |
32,21 | 47,29 | 59,92 | 110,49 | 468,76 |
33,05 | 48,9 | 60,33 | 113,67 | 481,46 |
33,27 | 50,47 | 61,24 | 116,84 | 494,16 |
33,6 | 52,07 | 61,91 | 120,02 | 506,86 |
34,65 | 52,47 | 63,09 | 123,19 | 532,26 |
36,27 | 53,64 | 65,09 | 126,37 | 557,66 |
37,82 | 55,25 | 66,27 | 129,54 | 582,68 |
41 | 56,82 | 68,26 | 132,72 | 608,08 |
44,17 | 58,42 | 69,44 | 135,89 | 633,48 |
47,35 | 59,99 | 71,44 | 139,07 | 658,88 |
50,52 | 61,6 | 72,62 | 142,24 | 675,16 |
53,7 | 63,17 | 73,02 | 145,42 | - |
56,87 | 64,77 | 74,61 | 148,59 | - |
58,44 | 66,34 | 75,79 | 151,77 | - |
60,05 | 67,95 | 78,97 | 158,12 | - |
63,22 | 69,52 | 82,14 | 164,47 | - |
66,4 | 71,12 | 85,32 | 170,82 | - |
69,57 | 72,69 | 88,49 | 177,17 | - |
72,75 | 75,87 | 91,67 | 183,52 | - |
75,92 | 82,22 | 94,84 | 189,87 | - |
82,27 | 88,57 | 98,02 | 196,22 | - |
88,62 | 94,92 | 101,19 | 202,57 | - |
94,97 | 101,27 | 104,37 | 208,92 | - |
101,32 | 107,62 | 107,54 | 215,27 | - |
107,67 | 113,97 | 110,72 | 221,62 | - |
114,02 | 120,32 | 113,89 | 227,97 | - |
120,37 | 126,67 | 117,07 | 234,32 | - |
126,72 | 133,02 | 120,24 | 240,67 | - |
133,07 | 139,37 | 123,42 | 247,02 | - |
- | 145,72 | 126,59 | 253,37 | - |
- | 152,07 | 129,77 | 266,07 | - |
- | 158,42 | 132,94 | 278,77 | - |
- | 164,77 | 136,12 | 291,47 | - |
- | 171,12 | 139,29 | 301,47 | - |
- | 177,47 | 142,47 | 304,17 | - |
- | 183,82 | 145,64 | 329,57 | - |
- | 190,17 | 148,82 | 354,97 | - |
- | 196,52 | 151,99 | 380,37 | - |
- | 202,87 | 158,34 | 405,26 | - |
- | 209,22 | 164,69 | 430,66 | - |
- | 215,57 | 171,04 | 456,06 | - |
- | 221,92 | 177,39 | 481,41 | - |
- | 228,27 | 183,74 | 506,81 | - |
- | 234,62 | 190,09 | 532,21 | - |
- | 240,97 | 196,44 | 557,61 | - |
- | 247,32 | 202,79 | 597,03 | - |
- | - | 209,14 | 582,68 | - |
- | - | 215,49 | 608,08 | - |
- | - | 221,84 | 633,48 | - |
- | - | 228,19 | 658,88 | - |
- | - | 234,54 | 702,66 | - |
- | - | 240,89 | - | - |
- | - | 247,24 | - | - |
- | - | 253,59 | - | - |
- | - | 262,34 | - | - |
- | - | 266,29 | - | - |
- | - | 278,99 | - | - |
- | - | 291,69 | - | - |
- | - | 304,39 | - | - |
- | - | 329,79 | - | - |
- | - | 353,37 | - | - |
- | - | 355,19 | - | - |
- | - | 380,59 | - | - |
- | - | 405,26 | - | - |
- | - | 417 | - | - |
- | - | 423 | - | - |
- | - | 430,66 | - | - |
- | - | 456,06 | - | - |
Sealing column widths
Maximale Dichtspaltenbreite in mm
für das Verhältnis Druck - Härte Shore A
Maximaler Druck | 60 Shore A | 70 Shore A | 80 Shore A | 90 Shore A |
---|---|---|---|---|
7 bar | 0,70 mm | 0,79 mm | 0,84 mm | 0,86 mm |
15 bar | 0,56 mm | 0,66 mm | 0,73 mm | 0,79 mm |
20 bar | 0,43 mm | 0,56 mm | 0,66 mm | 0,73 mm |
30 bar | 0,36 mm | 0,48 mm | 0,58 mm | 0,68 mm |
35 bar | 0,28 mm | 0,40 mm | 0,51 mm | 0,64 mm |
40 bar | 0,20 mm | 0,36 mm | 0,48 mm | 0,61 mm |
50 bar | 0,15 mm | 0,31 mm | 0,43 mm | 0,56 mm |
60 bar | 0,10 mm | 0,23 mm | 0,36 mm | 0,51 mm |
70 bar | 0,08 mm | 0,20 mm | 0,33 mm | 0,48 mm |
140 bar | ---- | 0,05 mm | 0,15 mm | 0,28 mm |
200 bar | ---- | ---- | 0,08 mm | 0,15 mm |
275 bar | ---- | ---- | 0,02 mm | 0,10 mm |
340 bar | ---- | ---- | 0,01 mm | 0,05 mm |
400 bar | ---- | ---- | ---- | 0,04 mm |
500 bar | ---- | ---- | ---- | 0,02 mm |
600 bar | ---- | ---- | ---- | 0,01 mm |
Materials
GROMEX delivers O-rings in various materials.
Elastomers
ISO | Chemical name | Tradename | Temperature range | Characteristics |
---|---|---|---|---|
NBR | Acryinitril-Butadien-Kautschuk | Perbunan® | -30 bis +120 °C | Mittlere mechanische Eigenschaften, ölfest. Gute Beständigkeit gegen aliphatische Kohlenwasserstoffe. |
HNBR | Hydrierter Acryinitril-Butadien-Kautschuk | Therban® | -45 bis +150 °C | Hoher Abriebwiderstand, gute Beständigkeit gegen aggressive, additivhaltige Alkalien und Öle, Oxidation, Ozon, heißes Wasser, Wasserdampf, Öl und Kraftstoff. |
CR | Chlorbutadien-Kautschuk | Neoprene® | -30 bis +130 °C | Mittlere mechanische Eigenschaften, bedingt ölfest. Gute allgemeine chemische Beständigkeit. Ozonresistent. |
FPM | Fluor-Kautschuk | Viton® | -30 bis +220 °C | Mäßige mechanische Eigenschaften, ölfest. Ausgezeichnete Beständigkeit gegen viele Chemikalien. |
FFPM | Perfluor-Kautschuk | Kalrez®-Zalak® | -50 bis +275 °C | Mäßige mechanische Eigenschaften, ölfest. Ausgezeichnete Beständigkeit gegen viele Chemikalien. |
MVQ | Vinyl-Methyl-Polysiloxan | Silikon | -100 bis +200 °C | Geringe mechanische Eigenschaften, die aber über einen weiten Temperaturbereich beibehalten werden, geringe elektrische Leitfähigkeit, bedingt ölfest. Ozonresistent. Physiologisch unbedenklich. |
FMVQ | Fluormethyl-Polysiloxan | Fluorsilikon | -120 bis +250 °C | Geringe mechanische Eigenschaften, die aber über einen weiten Temperaturbereich beibehalten werden, geringe elektrische Leitfähigkeit, bedingt ölfest. Ozonresistent. Physiologisch unbedenklich. |
EPDM | Athylen-Propylen-Dien-Kautschuk | -50 bis +200 °C | Mittlere mechanische Eigenschaften, nicht ölfest. Ausgezeichnete Beständigkeit gegen Heißwasser und Dampf. Beständig gegen Ester, Ketone und Glykole. Ozonfest. | |
ACM | Acrylat-Kautschuk | Vamac® | -30 bis +150 °C | Gute Quellbeständigkeit in Mineralölen. Alterungsbeständigkeit und Ozonbeständigkeit sehr gut. |
SBR | Styrol-Butadien-Kautschuk | Buna Hüls® | -50 bis +100 °C | Gute Quellbeständigkeit in Säuren und Basen, Alkohol und Wasser, Bremsflüssigkeit (Glykolbasis). |
CSM | Chluorsulfoniertes Polyethylen | Hypalon® | -30 bis +140 °C | Mittlere mechanische Eigenschaften, bedingt ölfest. Ausgezeichnete Beständigkeit gegen viele Chemikalien. |
NR | Naturkautschuk | Plantage | -30 bis +110 °C | Beste mechanische Eigenschaften, große Elastizität, niedriger Abrieb, hohe Festigkeit, großer Weiterreißwiderstand, nicht ölfest. |
DIN 3771/1 (Vorm. DIN 3770) |
ISO 3601/1 |
AS 568 A |
AN 6227 |
AN 6230 |
MS 29513 |
BS 1806 |
BS 4518 |
JIS B 2401 |
JIS W 1516 |
JIS W 1517 |
R 0 bis R 27 |
R 28 bis R 88 |
MS 29512 |
SMS 1586 |