Established in 1998, China Ningbo LIHE INC. is a professional manufacturer and exporter of all kinds magnets, o-ring and mechanical seals, dedicated to satisfying customers by providing wide range magnetic products and relative services. Through years of endeavors, the company has already become a leading manufacturer in magnets, o-rings and mechanical seals.
LH 502 MODEL MECHANICAL SEAL SERIES
TYPE\SIZE
d
D
D1
L
L1
LH502-14
14
24
25
34.75
23.3
LH502-16
16
26
27
34.75
23.3
LH502-18
18
32
33
37.3
24.3
LH502-20
20
34
35
37.3
24.3
LH502-22
22
36
37
37.3
24.3
LH502-24
24
38
39
39.8
27
LH502-25
25
39
40
39.8
27.3
LH502-28
28
42
43
42.3
30.3
LH502-30
30
44
45
42.4
30.8
LH502-32
32
46
48
42.4
30.8
LH502-33
33
47
78
42.4
30.8
LH502-35
35
49
50
43.4
30.8
LH502-38
38
54
56
44.9
32.3
LH502-40
40
56
58
44.9
32.3
LH502-43
43
59
61
44.9
32.3
LH502-45
45
61
63
44.9
32.3
LH502-48
48
64
66
45.5
32.3
LH502-50
50
66
70
47.4
34.3
LH502-53
53
69
73
47.4
34.3
LH502-55
55
71
75
47.4
34.3
LH502-58
58
78
78
52.4
39.3
LH502-60
60
80
80
52.4
39.3
LH502-63
63
83
83
52.4
39.3
LH502-65
65
85
85
51.6
39.3
LH502-68
68
88
90
52.6
39.3
LH502-70
70
89
92
60.2
45.3
LH502-75
75
96
97
60.2
45.3
LH502-80
80
104
105
60.2
45.3
LH502-85
85
108
110
60.2
45.3
LH502-90
90
114
115
60.2
50.3
LH502-95
95
118
120
65.2
50.3
LH502-100
100
124
125
65.2
50.3
Main Characteristics
Mostly Use: oil, water and other low corrosion mediums.
Mechanical seals 
