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**KLBM-B-1 TYPE SERIES METAL BELLOWS MECHANICAL SEALS**
*Model Introduction:*
The KLBM-B-1 bellows seal is designed by welding a series of diaphragms together along their edges. Each set of welded plates allows for fixed axial movement along the shaft. This design eliminates the need for springs and provides flexibility to the sealing system. The self-cleaning and non-clogging structure ensures long-term reliability. With excellent dynamic performance, this model is ideal for high-temperature environments, as well as for media with high or low viscosity.
*Operating Parameters:*
- **Size:** 30–100 mm
- **Pressure:** -0.1 to 2.5 MPa
- **Temperature Range:** -75°C to 400°C
- **Sliding Velocity:** ≤30 m/s or below 6000 rpm
*Material Combinations:*
- **Rotating Face:** Silicon Carbide, Tungsten Carbide
- **Stationary Face:** Silicon Carbide, Graphite, Tungsten Carbide
- **Bellows:** AM350, 316L
- **Elastomers:** VITON, EPDM, NBR, PTFE, Flexible Graphite
*Key Features:*
- Wide temperature range
- No dynamically loaded O-ring
- Self-cleaning design
- Suitable for unstepped shafts from d1 = 30mm to 100mm
- Independent of rotation direction
- Certified under ISO9001
- Complies with DIN24960
*Applications:*
- Process industry
- Oil and gas sector
- Refining technology
- Petrochemical industry
- Chemical industry
- Pumps
- High-viscosity media
- Hot and cold media
- Special rotating equipment
Model (mm)
d1
d
d2
d3
d4
d6
d7
d13
L2
n
Mc
h
L3
L5
L6
L7
L11
L12
30
30
27
32.5
47
49
32.2
47
40
18
8
M4
6
30
5
6
5
10
4
35
35
31.5
36
51
53
35.7
51
44
20
8
M4
6
30
5
6
5
10
4
40
40
37
41.5
62
65
41.2
62
52
25
6
M6
8
40
5
8
6
12
4
45
45
41.5
46.5
67
70
46.2
67
56
25
6
M6
8
45 (52)
5
8
6
13
5.5
50
50
46.5
51.5
72
75
51.2
72
62
25
6
M6
8
45 (52)
5
8
6
13
5.5
55
55
51.5
56.5
78
80
56.2
78
67
30
6
M6
8
45 (55)
5
8
6
14
5.5
60
60
53
61
83
85
60.7
84
72
30
6
M6
8
45 (55)
5
8
6
14
5.5
65
65
58.5
66
88
90
67.5
88
76
30
6
M6
10
45 (55)
5
10
6
14
6.5
70
70
67
72.5
97
100
72.2
91
84
30
6
M6
10
50 (55)
8
10
6
14
6.5
75
75
73
77.5
98
100
77.2
97
88
30
6
M6
10
50
8
10
6
14
6.5
80
80
73.5
79.5
103
105
79.2
103
91
30
6
M6
10
50
8
10
6
14
6.5
85
85
78
85.5
108
110
85.2
108
97
30
6
M6
10
50
8
10
6
14
6.5
90
90
86
92.5
115
118
92.2
115
103
30
6
M6
10
50 (58)
10
10
6
14
6.5
95
95
90
97.5
121
124
97.2
121
110
30
8
M6
10
50
10
10
8
14
6.5
100
100
95
102.5
124
128
102.2
124
113
30
8
M6
10
50
10
10
8
14
6.5
Metal Bellows Mechanical Seal (KLBM-B-1)
Model NO.: KLBM-B-1
Balance: Balanced
Load Factor: Balanced
Trademark: KELAN
Transport Package: Carton or Plywood Box
Specification: SGS
Origin: Shanghai, China
HS Code: 84842000