TB891 Mechanical Seal Replace Burgmann and John Crane
TB891 Mechanical Seal Replace Burgmann and John Crane
TB891 Mechanical Seal Replace Burgmann and John Crane
TB891 Mechanical Seal Replace Burgmann and John Crane
TB891 Mechanical Seal Replace Burgmann and John Crane
Model
TB891

Item specifics

Temperature
-20℃-180℃
Speed
≦15m/s
Pressure
≦2.5MPA
Rotary Ring Material
CAR/SIC/TC
Stationary Ring Material
CER/SIC/TC
O-Ring Material
VIT/NBR/EPDM
Spring & Metal Parts
SUS304/SUS316
Application
Clean Water,Sewage Water,Oil

Product review

Description

TB891 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