Mechanical Seal TB2 replace John Crane 2 type seal, Aesseal P0204U seal
Mechanical Seal TB2 replace John Crane 2 type seal, Aesseal P0204U seal
Mechanical Seal TB2 replace John Crane 2 type seal, Aesseal P0204U seal
Mechanical Seal TB2 replace John Crane 2 type seal, Aesseal P0204U seal
Mechanical Seal TB2 replace John Crane 2 type seal, Aesseal P0204U seal

Mechanical Seal TB2 replace John Crane 2 type seal, Aesseal P0204U seal

Model
TB2

Item specifics

Temperature
-20℃-120℃
Speed
≦15m/s
Pressure
≦1.4MPA
Stationary Seat
TBT11
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 TB2 
Replacement to:
John Crane 2 type seal
Aesseal P0204U seal
Flowserve 52 seal
US Seal D seal
Operational Conditions:
Temperature: -20℃ to +120℃
Pressure: ≤1.4MPa
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
Size/
Inch
Size/
Metric
D1
D2
D3
L1
L2
0.500
12
25.40
19.05
30.14
20.64
7.93
14
31.75
23.80
33.32
22.23
10.28
0.625
16
31.75
23.80
33.32
22.23
10.28
0.750
18
34.93
26.98
36.50
22.23
10.28
20
38.10
30.15
39.67
23.80
10.28
0.875
22
38.10
30.15
39.67
23.80
10.28
24
41.28
33.32
45.50
25.40
11.10
1.000
25
41.28
33.32
45.50
25.40
11.10
1.125
28
44.44
36.50
48.50
26.97
11.10
30
47.63
37.90
52.37
26.97
11.10
1.250
32
47.63
37.90
52.37
26.97
11.10
33
50.80
42.84
56.00
28.58
11.10
1.375
35
50.80
42.84
56.00
28.58
11.10
1.500
38
53.98
46.05
59.20
28.58
11.10
1.625
40
60.38
50.80
67.00
34.93
12.70
43
63.50
53.97
69.85
34.93
12.70
1.750
45
63.50
53.97
69.85
34.93
12.70
1.875
48
66.68
57.15
73.03
38.10
12.70
48
69.85
60.32
73.03
38.10
12.70
2.000
50
69.85
60.32
76.20
38.10
12.70
2.125
53
76.20
60.32
82.55
42.85
14.28
2.250
55
79.38
61.09
85.73
42.85
14.28
2.375
60
82.55
67.39
88.90
46.02
14.28
2.500
63
85.73
68.25
92.08
46.02
14.28
2.625
65
85.73
71.24
98.43
49.20
15.90
2.750
70
88.90
74.60
101.60
49.20
15.90
2.875
73
95.25
77.77
104.78
52.37
15.90
3.000
75
98.43
80.95
107.95
52.37
15.90

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