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| ㆍHome > Products > Super bellows |
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 Introduction |
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DSI super bellows is a component that must offer hermetic properties as well as outstanding expandability. This bellows have characteristics of formed bellows and welded bellows.
We have applied super bellows to a various fields even if customers already use welded bellows.
Many customers prefer super bellows because the quality and price is more competitive. |
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Specifications of super bellows |
| SUPER BELLOWS |
『Specifications』 |
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| Material: SUS304, 316, 316L |
【Unit: mm Outside tolerance:±0.3】 |
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Products code |
16A |
20A |
22A |
25A |
30A |
40A |
50A |
60A |
65A |
80A |
100A |
125A |
150A |
200A |
250A |
300A |
ID |
16.1 |
20.0 |
22.0 |
25.3 |
31.0 |
37.7 |
49.8 |
60 |
66 |
78.1 |
100.3 |
127.2 |
148.6 |
200.2 |
250.3 |
300.0 |
OD |
26 |
30.5 |
33.5 |
38.5 |
46 |
56 |
69 |
81.5 |
90 |
104 |
132 |
160 |
188 |
250 |
306 |
352 |
Leakage rate |
<1.0X10-10Pa·m3/s |
Elasticity |
50%~70% |
Length |
2 Meter |
Temp |
-200℃ ~ 800℃ |
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ㆍDurability
‘Super bellows is strong to repeated motion so we guarantee the life cycle from 5,000 to 1,000,000. Life cycle is depends on the environment.
ㆍCharacteristic of spring
‘DSI super bellows has the property of precision spring by DSI technology.
Especially, normal length is not changed when super bellows is compressed because stability is excellent.
ㆍVolume
‘This bellows show like a welded bellows stroke nevertheless this bellows is formed bellows. There are many application examples. Just contact us. |
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| Technical information |
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DSI super bellows is suitable at the ultrahigh vacuum environment. |
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ㆍPRESSURE RESPONSIVE DEVICES
Pressure switches, Pressure gauge
Pressure-electric transducers
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ㆍLIQUID EXPANSION ABSORBING BELLOWS
Hydraulic multiplier remote transmission
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ㆍMETALLIC SEALS FOR MOTION
Laboratory vacuum system
Manipulators, Chamber transport
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ㆍBELLOWS VALVE
Bellows sealed valve, Angle valve, Inline valve
Outline valve
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| SUPER BELLOWS FOR VALVE |
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ㆍValve stem bellows
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| Facts & Features |
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Bellows
Temperature
Elasticity of bellows
Leakage rate
Bellows material
Flange material
Life cycle |
D S I super bellows
-200℃ ~ 800℃
50%~70%
<1.0X10-9Pa·m3/s
SUS304, 316, 316L, Hastelloy
SUS304, 316, 316L, Hastelloy
5X103 ~ 1X106 |
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| ※ Special type to order available |
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| 『Specifications』 |
[Unit: mm] |
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Product
code |
ID |
OD |
L |
16AV1 |
16.1 |
26 |
40.6 |
16AV2 |
16.1 |
26 |
104 |
20AV1 |
20 |
30.5 |
68.5 |
22AV1 |
22 |
33.5 |
90 |
25AV1 |
25.3 |
38.5 |
65 |
25AV2 |
25.3 |
38.5 |
103 |
25AV3 |
25.3 |
38.5 |
106.5 |
25AV4 |
25.3 |
38.5 |
135.5 |
30AV1 |
31 |
46 |
108 |
30AV2 |
31 |
46 |
118 |
30AV3 |
31 |
46 |
128 |
30AV4 |
31 |
46 |
145.5 |
40AV1 |
37.7 |
56 |
93 |
40AV2 |
37.7 |
56 |
139 |
50AV1 |
49.8 |
69 |
138 |
50AV2 |
49.8 |
69 |
147 |
65AV1 |
66 |
90 |
133 |
65AV2 |
66 |
90 |
156 |
65AV3 |
66 |
90 |
233 |
65AV4 |
66 |
90 |
237.5 |
65AV5 |
66 |
90 |
248.5 |
80AV1 |
78.1 |
104 |
286 |
100AV1 |
100.3 |
132 |
172 |
100AV2 |
100.3 |
132 |
213 |
100AV3 |
100.3 |
132 |
286 |
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