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Mechanical Seal TB685 replace Burgmann MFL85N

Mechanical Seal TB685 replace Burgmann MFL85N
Mechanical Seal TB685 replace Burgmann MFL85NMechanical Seal TB685 replace Burgmann MFL85NMechanical Seal TB685 replace Burgmann MFL85NMechanical Seal TB685 replace Burgmann MFL85N

Mechanical Seal TB685 replace Burgmann MFL85N

CategoriesMetal Bellow Mechanical Seal
BrandTOPBON
ModelTB685
Temperature-20℃-200℃
Speed≦23m/s
Pressure≦2.1MPA
Stationary SeatTBG9
Rotary Ring MaterialCAR/SIC/TC
Stationary Ring MaterialCER/SIC/TC
O-Ring MaterialVIT, Encasulated Ring, EPDM
Spring & Metal PartsSUS304/SUS316
ApplicationClean Water,Sewage Water,Oil
Update TimeMar 3,2024
Detail Information
Mechanical seal TB685 
Replacement to:
Burgmann MFL85N

Operational Conditions:
Temperature: -20℃ to +200℃
Pressure: ≤2.1MPa
Speed: ≤23m/s

Materials:
Stationary Ring: Silicon Carbide, TC, Cer
Rotary Ring: Silicon Carbide, Car, TC
Secondary Seal: VIT, Encasulated Ring, EPDM
Spring and Metal Parts: SUS304,SUS316 
Applications:
Clean water,
sewage water
oil and other moderately corrosive fluids
Stationary Seat:
Standard: TBG9
Alternative:
Product details
SIZE
Size/
Metric
d
D3
D2
L3
L1
16
16
30.00
27.0
10.0
32.5
18
18
32.00
33.0
11.5
30.5
20
20
33.50
35.0
11.5
30.5
22
22
36.50
37.0
11.5
30.5
24
24
39.00
39.0
11.5
28.5
25
25
39.60
40.0
11.5
28.5
28
28
42.80
43.0
11.5
31.0
30
30
45.00
45.0
11.5
31.0
32
32
46.00
48.0
11.5
31.0
33
33
48.00
48.0
11.5
31.0
35
35
49.20
50.0
11.5
31.0
38
38
52.30
56.0
14.0
31.0
40
40
55.50
58.0
14.0
31.0
43
43
57.50
61.0
14.0
31.0
45
45
58.70
63.0
14.0
31.0
48
48
61.90
66.0
14.0
31.0
50
50
65.00
70.0
15.0
32.5
53
53
68.20
73.0
15.0
32.5
55
55
70.00
75.0
15.0
32.5
58
58
71.70
78.0
15.0
37.5
60
60
74.60
80.0
15.0
37.5
63
63
79.00
83.0
15.0
37.5
65
65
84.10
85.0
15.0
37.5
68
68
87.30
90.0
18.0
34.5
70
70
87.30
92.0
18.0
42.0
75
75
95.00
97.0
18.0
42.0
80
80
98.40
105.0
18.2
41.8
85
85
104.70
110.0
18.2
41.8
90
90
111.00
115.0
18.2
46.8
95
95
114.00
120.0
17.2
47.8
100
100
117.40
125.0
17.2
47.8
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