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DSB1

 Structural featrures:
This seal adopts the ultra-thin, double-layer, double-S and welded metal bellows as the elastic element, featured by its excellent dynamic properties, simple and compact structure, easy installation, few leakage points, reliable airtightness, strong vibration resistance, long operration cycle, superior traceability and compensation capacity, wide applicable materials, strong environment adaptability and outstanding high-temperature performance. What¡¯s more, its stationary design improves the seal¡¯s comprehensive properties.

  Application scope:
Pressure: -0.1~4MPa
Temperature: -75~400¡æ
Linear speed: ¡Ü30m/s
Application: for chemical engineering, petrochemicals, oil refining, refrigeration, etc. Medium: oil, organic solvents, hot water and other slightly corrosive liquids.

Model
D1
D
D2
D3
D4
D7
D10
D11
L3
L4
L5
L6
L7
n-Mb
DSB1-30
30
27
32.5
47
49
47
40
85
30
18
5
6
5
8-M4
DSB1-35
35
31.5
36
51
53
51
44
95
30
20
5
6
5
8-M4
DSB1-40
40
37
41.5
62
65
62
52
105
40
25
5
8
6
6-M6
DSB1-45
45
41.5
46.5
67
70
67
56
110
45(52)
25
5
8
6
6-M6
DSB1-50
50
46.5
51.5
72
75
72
62
125
45(52)
25
5
8
6
6-M6
DSB1-55
55
51.5
56.5
78
80
78
67
125
45(55)
30
5
8
6
6-M6
DSB1-60
60
53
61
83
85
83
72
125
45(55)
30
5
8
6
6-M6
DSB1-65
65
58.5
66
88
90
88
76
125
45(55)
30
5
10
6
6-M6
DSB1-70
70
67
72.5
97
100
97
84
150
45(55)
30
8
10
6
6-M6
DSB1-75
75
73
77.5
98
100
98
88
150
50
30
8
10
6
6-M6
DSB1-80
80
73.5
79.5
103
105
103
91
170
50
30
8
10
6
6-M6
DSB1-85
85
78
85.5
108
110
108
97
180
50
30
8
10
6
6-M6
DSB1-90
90
86
92.5
115
118
115
103
180
50(58)
30
10
10
6
6-M6
DSB1-95
95
90
97.5
121
124
121
110
170
50
30
10
10
8
8-M6
DSB1-100
100
95
102.5
124
128
124
113
180
50
30
10
10
8
8-M6

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