DIN 3771

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ALLIANCE SEALS LIMITED
Phone: 01527 584000
Fax: 01527 584000
Email: sales@allianceseals.co.uk
Standard Dimensions DIN 3771 - RANGE OF O-RINGS

 

 

 Dimensions
5.3d (mm)
Internal Diameter
s (mm)
Cross Section
 
d (mm)
Internal Diameter
s (mm)
Cross Section
 
d (mm)
Internal Diameter
s (mm)
Cross Section
1.8
1.8
5.15
1.8
9
1.8
2
1.8
5.3
1.8
9.5
1.8
2.24
1.8
5.6
1.8
10
1.8
2.5
1.8
6
1.8
10.6
1.8
2.8
1.8
6.3
1.8
11.2
1.8
3.15
1.8
6.7
1.8
11.8
1.8
3.55
1.8
6.9
1.8
12.5
1.8
3.75
1.8
7.1
1.8
13.2
1.8
4
1.8
7.5
1.8
14
1.8
4.5
1.8
8
1.8
15
1.8
4.87
1.8
8.5
1.8
16
1.8
5
1.8
8.76
1.8
17
1.8
               
d (mm)
Internal Diameter
s (mm)
Cross Section
  
d (mm)
Internal Diameter
s (mm)
Cross Section
  
d (mm)
Internal Diameter
s (mm)
Cross Section
14
2.65
22.4
2.65
32.5
2.65
15
2.65
23.6
2.65
33.5
2.65
16
2.65
25
2.65
34.5
2.65
17
2.65
25.8
2.65
35.5
2.65
18
2.65
26.5
2.65
36.5
2.65
19
2.65
28
2.65
37.5
2.65
20
2.65
30
2.65
38.7
2.65
21.2
2.65
31.5
2.65
               
d (mm)
Internal Diameter
s (mm)
Cross Section
  
d (mm)
Internal Diameter
s (mm)
Cross Section
  
d (mm)
Internal Diameter
s (mm)
Cross Section
18
3.55
48.7
3.55
103
3.55
19
3.55
50
3.55
106
3.55
20
3.55
51.5
3.55
109
3.55
21.2
3.55
53
3.55
112
3.55
22.4
3.55
54.5
3.55
115
3.55
23.6
3.55
56
3.55
118
3.55
25
3.55
58
3.55
122
3.55
25.8
3.55
60
3.55
125
3.55
26.5
3.55
61.5
3.55
128
3.55
28
3.55
63
3.55
132
3.55
30
3.55
65
3.55
136
3.55
31.5
3.55
67
3.55
140
3.55
32.5
3.55
69
3.55
145
3.55
33.5
3.55
71
3.55
150
3.55
34.5
3.55
73
3.55
155
3.55
35.5
3.55
75
3.55
160
3.55
36.5
3.55
77.5
3.55
165
3.55
37.5
3.55
80
3.55
170
3.55
38.7
3.55
82.5
3.55
175
3.55
40
3.55
85
3.55
180
3.55
41.2
3.55
87.5
3.55
185
3.55
42.5
3.55
90
3.55
190
3.55
43.7
3.55
92.5
3.55
195
3.55
45
3.55
95
3.55
200
3.55
46.2
3.55
97.5
3.55
47.5
3.55
100
3.55

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Phone: 01527 584000 Fax: 01527 584005 Email: sales@allianceseals.co.uk