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TB491 Mechanical Seal Replace Burgmann and John Crane

TB491 Mechanical Seal Replace Burgmann and John Crane
TB491 Mechanical Seal Replace Burgmann and John CraneTB491 Mechanical Seal Replace Burgmann and John CraneTB491 Mechanical Seal Replace Burgmann and John CraneTB491 Mechanical Seal Replace Burgmann and John Crane

TB491 Mechanical Seal Replace Burgmann and John Crane

CategoriesComponent Seals
BrandTOPBON
ModelTB491
Temperature-20℃-180℃
Speed≦15m/s
Pressure≦2.5MPA
Rotary Ring MaterialCAR/SIC/TC
Stationary Ring MaterialCER/SIC/TC
O-Ring MaterialVIT/NBR/EPDM
Spring & Metal PartsSUS304/SUS316
ApplicationClean Water,Sewage Water,Oil
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Update Time2021-06-15
Detail Information
TB491 mechanical seal
Replace Burgmann and John Crane
Operational Conditions:
Temperature:-20℃ to +180℃
Pressure: ≤2.5MPa
Speed: ≤15m/s

Materials:
Stationary Ring: Silicon Carbide, TC, Carbon
Rotary Ring: Silicon Carbide, Ceramic, TC
Secondary Seal: NBR, EPDM, Viton
Spring and Metal Parts: SUS304,SUS316 
Applications:
Clean water,
sewage water
oil and other moderately corrosive fluids
Stationary Seat:
Standard:
Alternative: 
Product details
SIZE
Product Number
Size/
Metric
d
D3
D2
D1
d1
L1
L2
L3
L5
M
14
14
25
21
25
3
25
10
17.5
6
M5
14
14
25
21
25
3
25
10
17.5
6
M5
14
14
25
21
25
3
25
10
17.5
6
M5
14
14
25
21
25
3
25
10
17.5
6
M5
14
14
25
21
25
3
25
10
17.5
6
M5
14
14
25
21
25
3
25
10
17.5
6
M5
14
14
25
21
25
3
25
10
17.5
6
M5
14
14
25
21
25
3
25
10
17.5
6
M5
14
14
25
21
25
3
25
10
17.5
6
M5
14
14
25
21
25
3
25
10
17.5
6
M5
14
14
25
21
25
3
25
10
17.5
6
M5
14
14
25
21
25
3
25
10
17.5
6
M5
14
14
25
21
25
3
25
10
17.5
6
M5
14
14
25
21
25
3
25
10
17.5
5
M5
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