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TB21/21T Elastomer Mechanical Seal replace John Crane type 21 seal, Roten 21A seal

TB21/21T Elastomer Mechanical Seal replace John Crane type 21 seal, Roten 21A seal
TB21/21T Elastomer Mechanical Seal replace John Crane type 21 seal, Roten 21A sealTB21/21T Elastomer Mechanical Seal replace John Crane type 21 seal, Roten 21A sealTB21/21T Elastomer Mechanical Seal replace John Crane type 21 seal, Roten 21A sealTB21/21T Elastomer Mechanical Seal replace John Crane type 21 seal, Roten 21A seal

TB21/21T Elastomer Mechanical Seal replace John Crane type 21 seal, Roten 21A seal

CategoriesComponent Seals
BrandTOPBON
ModelTB21/21T
Temperature-20℃-120℃
Speed≦15m/s
Pressure≦1.0MPA
Stationary SeatTBT11
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
TB21/21T mechanical seal
Replacement to:
John Crane type 21 seal
Roten RB02 seal
Roten 21A seal
Operational Conditions:
Temperature: -20℃ to +120℃
Pressure: ≤1.0MPa
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: TBT11
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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