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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

  • group nameO-ring Mechanical Seal

  • Min Order1 piece

  • brand nameTOPBON Mechanical Seal Manufacturer

  • modelTB491

  • payment methodT/T

  • update timeSat, 11 May 2024 14:07:16 GMT

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Paramtents

  • 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

Packging & Delivery

  • Min Order1 piece

Briefing

TB491 Mechanical Seal
Replace Burgmann and John Crane mechanical seal

Detailed

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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