TB68B Mechanical Seal Replace John Crane 87 (EI/ EC) seal, Aesseal W03 seal, Sterling 280W/ 282 seal
TB68B Mechanical Seal Replace John Crane 87 (EI/ EC) seal, Aesseal W03 seal, Sterling 280W/ 282 seal
TB68B Mechanical Seal Replace John Crane 87 (EI/ EC) seal, Aesseal W03 seal, Sterling 280W/ 282 seal
TB68B Mechanical Seal Replace John Crane 87 (EI/ EC) seal, Aesseal W03 seal, Sterling 280W/ 282 seal
TB68B Mechanical Seal Replace John Crane 87 (EI/ EC) seal, Aesseal W03 seal, Sterling 280W/ 282 seal
Model
TB68B

Item specifics

Temperature
-40℃-200℃
Speed
≦18m/s
Pressure
≦0.8MPA
Rotary Ring Material
SUS304/SUS316/SIC/TC
Stationary Ring Material
CAR/SIC/TC
O-Ring Material
VIT/NBR/EPDM
Spring & Metal Parts
SUS304/SUS316
Application
Clean Water,Sewage Water,Oil

Product review

Description

TB68B mechanical seal
Replacement to:
John Crane 87 (EI/ EC) seal
Aesseal W03 seal
Roplan RTH87/ R90 seal
Sterling 280W/ 282 seal
Operational Conditions:
Temperature:-40℃ to +200℃
Pressure: ≤0.8MPa
Speed: ≤18m/s


Materials:
Stationary Ring: Silicon Carbide, TC, Carbon
Rotary Ring: Silicon Carbide, SUS304, SUS316, 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