Mechanical Seal TB686 replace Burgmann MFLWT80
Mechanical Seal TB686 replace Burgmann MFLWT80
Mechanical Seal TB686 replace Burgmann MFLWT80
Mechanical Seal TB686 replace Burgmann MFLWT80
Mechanical Seal TB686 replace Burgmann MFLWT80
Model
TB686

Item specifics

Temperature
-20℃-370℃
Speed
≦23m/s
Pressure
≦2.1MPA
Stationary Seat
TBG9
Rotary Ring Material
CAR/SIC/TC
Stationary Ring Material
CER/SIC/TC
O-Ring Material
Encasulated Ring, EExpanded Graphite
Spring & Metal Parts
SUS304/SUS316
Application
Clean Water,Sewage Water,Oil

Review

Description

Mechanical seal TB686 
Replacement to:
Burgmann MFLWT80

Operational Conditions:
Temperature: -20℃ to +370℃
Pressure: ≤2.1MPa
Speed: ≤23m/s

Materials:
Stationary Ring: Silicon Carbide, TC, Cer
Rotary Ring: Silicon Carbide, Car, TC
Secondary Seal: Encasulated Ring, Expanded Graphite
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
38.0
35.0
11.5
46.7
18
18
40.0
37.0
11.5
46.7
20
20
42.0
40.0
11.5
46.7
22
22
44.0
43.0
11.5
46.7
24
24
46.0
43.0
11.5
46.7
25
25
47.0
45.0
11.5
46.7
28
28
50.0
48.0
11.5
46.7
30
30
52.0
50.0
11.5
46.7
32
32
54.0
56.0
14.0
46.7
33
33
55.0
56.0
14.0
46.7
35
35
57.0
58.0
14.0
46.7
38
38
60.0
61.0
14.0
46.7
40
40
66.0
63.0
14.0
47.7
43
43
69.0
66.0
14.0
47.7
45
45
71.0
70.0
15.0
47.7
48
48
74.0
73.0
15.0
47.7
50
50
76.0
75.0
15.0
47.7
53
53
79.0
78.0
15.0
47.7
55
55
81.0
80.0
15.0
47.7
58
58
85.0
83.0
15.0
53.2
60
60
87.0
85.0
15.0
53.2
63
63
90.0
90.0
18.0
53.2
65
65
92.0
92.0
18.0
53.2
68
68
95.0
97.0
18.0
53.2
70
70
97.0
97.0
18.0
53.2
75
75
102.0
105.0
18.2
53.0
80
80
107.0
110.0
18.2
53.0
85
85
112.0
115.0
18.2
53.0
90
90
117.0
120.0
17.2
54.0
95
95
122.0
125.0
17.2
54.0
100
100
127.0
134.3
20.0
54.2