Operating Limits of Elastomer Bellow Seals R12
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Temperature: -20℃ to 200℃, dependent on the elastomer
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Pressure: Up to 5 bar
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Speed: Up to 12 m/s
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End play/axial float allowance: ±0.1mm
Sizes of Elastomer Bellow Seals R12
3/8", 1/2", 5/8", 3/4", 7/8", 1"
Materials Combination of Elastomer Bellow Seals R12
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Face: Carbon, SiC, TC
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Seat: Ceramic, SiC, TC
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Bellow: NBR, EPDM, VITON etc.
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Spring: SS304, SS316
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Metal parts: SS304, SS316
Specification of Elastomer Bellow Seals R12
Elastomer Bellow Seals By Size
|
d
|
D
|
D1
|
L1
|
L2
|
R12-3/8"A
|
9.53
|
23.8
|
22.23
|
6.35
|
16.08
|
R12-3/8"
|
9.53
|
26.97
|
25.4
|
7.93
|
16.86
|
R12-1/2"A
|
12.7
|
26.97
|
25.4
|
6.35
|
16.86
|
R12-1/2"
|
12.7
|
26.97
|
25.4
|
7.93
|
16.86
|
R12-5/8"
|
15.88
|
30.94
|
31.75
|
10.31
|
18.44
|
R12-3/4"
|
19.05
|
34.11
|
34.93
|
10.31
|
18.44
|
R12-7/8"
|
22.23
|
42.85
|
41.28
|
11.1
|
20.82
|
R12-1"
|
25.4
|
42.85
|
41.28
|
11.1
|
20.82
|
Design Drawing of Elastomer Bellows Mechanical Seals R12