Mechanical SealTB8B1 replace AES M02S, John Crane 8B1
Mechanical SealTB8B1 replace AES M02S, John Crane 8B1

Mechanical SealTB8B1 replace AES M02S, John Crane 8B1

Model
TB8B1

Item specifics

Temperature
-20℃-180℃
Speed
≦15m/s
Pressure
≦2.5MPA
Stationary Seat
TBT21
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

Review

Description

Product Introduction 
Product Size
Product Details
Product Model
Mechanical seal TB8B1 
Replacement to:
AES M02S, John Crane 8B1
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: TBT21
Alternative:
Product details
SIZE
Size/
Inch
d0
d
D3
D2
D1
L1
L3
L6
1.000
25.4
22.2
39.67
24.0
38.30
33.32
10.31
8.00
1.125
28.5
25.4
42.85
27.5
41.48
34.93
11.10
7.90
1.250
31.7
28.5
47.63
30.5
44.65
34.93
11.10
7.90
1.375
34.9
31.7
50.80
33.5
47.83
36.50
11.10
8.70
1.500
39.1
34.9
53.98
37.0
51.00
36.50
11.10
8.70
1.625
41.2
38.1
60.33
40.0
54.18
44.45
11.10
8.70
1.750
44.4
41.2
63.50
43.5
60.53
44.45
12.70
9.50
1.875
47.6
44.4
66.68
46.5
63.70
44.45
12.70
9.50
2.000
50.8
47.6
69.85
49.5
66.88
44.45
12.70
9.50
2.125
53.9
50.8
76.20
53.0
70.05
52.37
12.70
11.10
2.250
57.1
53.9
79.38
56.0
76.40
52.37
14.27
11.10
2.375
60.3
57.1
82.55
59.0
79.58
52.37
14.27
11.10
2.500
63.5
60.3
85.73
62.5
82.75
52.37
14.27
11.10
2.625
66.6
63.5
88.90
65.5
85.93
52.37
14.27
11.10
2.750
69.8
66.6
92.08
68.5
85.93
52.37
15.88
11.10
2.875
73.0
69.8
95.25
72.0
89.10
52.37
15.88
11.10
3.000
76.2
73.0
96.82
75.0
95.45
52.37
15.88
11.10
3.125
79.3
76.2
100.00
78.5
98.63
52.37
15.88
11.10
3.250
82.5
79.3
104.78
81.5
101.80
52.37
19.84
14.30
3.375
85.7
82.5
107.95
84.5
104.98
52.37
19.84
14.30
3.500
88.9
85.7
111.13
88.0
108.15
52.37
19.84
14.30
3.625
92.0
88.9
114.30
91.0
111.33
52.37
19.84
14.30
3.750
95.2
92.0
117.48
94.0
114.50
52.37
19.84
14.30
3.875
98.4
95.2
120.65
97.5
117.68
52.37
19.84
14.30
4.000
101.6
98.4
123.83
100.5
120.85
52.37
19.84
14.30

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