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Mechanical Seal TB491 Replace Burgmann and John Crane

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Mechanical Seal TB491 Replace Burgmann and John Crane
Mechanical Seal TB491 Replace Burgmann and John CraneMechanical Seal TB491 Replace Burgmann and John CraneMechanical Seal TB491 Replace Burgmann and John CraneMechanical Seal TB491 Replace Burgmann and John Crane

Mechanical Seal TB491 Replace Burgmann and John Crane

CategoriesO-ring Mechanical Seal
BrandTOPBON Mechanical Seal Manufacturer
ModelTB491
Temperature-20℃-180℃
Speed≦15m/s
Pressure≦2.5MPA
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 TimeMay 11,2024
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Detail Information
Product Introduction 
Product Size
Product Details
Product Model
TB491 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
Size/
Metric
d
D1
D2
D3
L1
L2
18
18
33
27
32.28
30
7.5
20
20
35
29
34.29
30
7.5
22
22
37
31
36.30
30
7.5
24
24
39
33
38.30
30
7.5
25
25
40
34
39.29
30
7.5
28
28
43
37
42.29
35
7.5
30
30
45
39
44.30
35
7.5
32
32
48
42
46.30
35
7.5
33
33
48
42
47.90
35
7.5
35
35
50
44
49.48
35
7.5
38
38
56
49
54.28
35
9
40
40
58
51
56.08
35
9
43
43
61
54
59.08
35
9
45
45
63
56
61.09
35
9
48
48
66
59
64.11
35
9
50
50
70
62
66.09
35
9.5
53
53
73
65
71.00
35
11
55
55
75
67
71.07
35
11
60
60
80
72
77.14
35
11
65
65
85
77
83.01
35
11
68
68
90
81
91.00
35
11.3
70
70
92
83
86.08
35
11.3
75
75
97
88
98.43
48
11.3
80
80
105
95
104.79
48
12
85
85
110
100
107.95
48
12
90
90
115
105
114.30
48
14
100
100
125
115
123.83
48
14
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