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Mechanical Seal TB8BT replace John Crane 8B1T

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Mechanical Seal TB8BT replace John Crane 8B1T

Mechanical Seal TB8BT replace John Crane 8B1T

CategoriesMulti Spring Mechanical Seal
BrandTOPBON Mechanical Seal Manufacturer
ModelTB8BT
Temperature-20℃-180℃
Speed≦15m/s
Pressure≦2.5MPA
Stationary SeatTBT21
Rotary Ring MaterialCAR/SIC/TC
Stationary Ring MaterialCER/SIC/TC
O-Ring MaterialVIT/NBR/EPDM
Spring & Metal PartsSUS304/SUS316
ApplicationClean Water，Sewage Water，Oil
FOB portningbo
Terms of PaymentT/T
Update TimeDec 31,2024
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Detail Information
Product Introduction 
Product Size
Product Details
Product Model
TB8BT mechanical seal
Replacement to:
John Crane 8B1T
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
L2
L6
1.000
25.4
22.2
36.50
22.9
38.10
33.32
10.3
8.7
1.125
28.5
25.4
39.67
26.1
41.28
34.93
11.1
8.7
1.250
31.7
28.5
42.85
29.3
44.45
34.93
11.1
8.7
1.375
34.9
28.5
49.20
29.3
44.45
42.85
11.1
8.7
1.500
38.1
31.7
49.20
32.4
47.63
36.50
11.1
8.7
1.625
41.2
34.9
57.15
35.6
50.80
40.46
11.1
11.1
1.750
44.4
38.1
58.72
38.8
53.96
44.45
11.1
11.1
1.875
47.6
41.2
63.50
42.4
60.33
44.45
12.7
11.1
2.000
50.8
44.4
66.68
45.5
63.50
44.45
12.7
11.1
2.125
53.9
47.6
71.42
48.7
66.68
52.37
12.7
12.7
2.250
57.1
50.8
72.21
51.9
69.85
44.45
12.7
12.7
2.375
60.3
53.9
76.20
55.0
76.20
52.37
14.3
12.7
2.500
63.5
57.1
79.38
58.2
79.38
44.45
14.3
12.7
2.625
66.6
60.3
82.55
61.4
82.55
52.37
14.3
12.7
2.750
69.8
63.5
85.73
64.6
85.73
52.37
14.3
12.7
2.875
73.0
66.6
88.90
67.7
85.79
52.37
15.9
12.7
3.000
76.2
69.8
92.08
70.9
88.90
52.37
15.9
12.7
3.125
79.3
73.0
95.25
74.1
95.25
52.37
15.9
14.3
3.250
82.5
76.2
98.43
77.3
98.43
52.37
15.9
14.3
3.375
85.7
79.3
101.60
80.5
101.60
52.37
19.8
14.3
3.500
88.9
82.5
104.78
83.6
104.78
52.37
19.8
14.3
3.625
92.0
85.7
107.95
86.8
107.95
52.37
19.8
14.3
3.750
95.2
88.9
111.13
90.0
111.13
52.37
19.8
14.3
3.875
98.4
92.0
114.30
93.1
114.30
52.37
19.8
14.3
4.000
101.6
95.2
117.48
96.3
117.48
52.37
19.8
14.3
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