适用范围
介质：油、水、结晶性强、碱、盐、高粘度流体、浆料等。
结构特点
1、
单弹簧、拨叉伟动、抗堵塞能力强，使用时，与旋转方向无关。
2、 辅助密封圈根据不同情况，可选用橡胶O形圈（N），或聚四氟乙烯V形圈（T）。
3、 .通用性强。
.
|
公称轴径
|
d(h7)
|
d1
|
Dmin
|
D1(H8)
|
D2(H11)
|
D3
|
d3(H8)
|
L(±0.5)
|
L1(±0.5)
|
L4
|
C
|
|
18
|
18
|
32
|
34
|
33
|
27
|
23
|
3
|
52
|
45
|
5
|
2
|
|
20
|
22
|
34
|
36
|
35
|
29
|
25
|
52
|
45
|
|
22
|
22
|
36
|
38
|
37
|
31
|
27
|
53
|
46
|
|
24
|
24
|
38
|
40
|
39
|
33
|
29
|
56
|
49
|
|
25
|
25
|
39
|
41
|
40
|
34
|
30
|
56
|
49
|
|
29
|
29
|
42
|
44
|
43
|
37
|
33
|
56.5
|
49.5
|
|
30
|
30
|
44
|
46
|
45
|
39
|
35
|
57
|
50
|
|
32
|
32
|
46
|
48
|
48
|
42
|
38
|
58.5
|
51.5
|
|
33
|
33
|
47
|
49
|
48
|
42
|
38
|
58.5
|
51.5
|
|
35
|
35
|
49
|
51
|
5
|
44
|
40
|
58.5
|
51.5
|
|
38
|
38
|
54
|
58
|
56
|
49
|
44
|
4
|
62
|
55
|
6
|
|
40
|
40
|
56
|
60
|
58
|
51
|
46
|
62
|
55
|
|
43
|
43
|
59
|
63
|
61
|
54
|
49
|
65
|
58
|
|
45
|
45
|
61
|
65
|
63
|
56
|
51
|
65
|
58
|
|
48
|
48
|
64
|
68
|
66
|
59
|
54
|
66
|
59
|
|
50
|
50
|
66
|
70
|
70
|
62
|
57
|
67
|
60
|
2.5
|
|
53
|
53
|
69
|
73
|
73
|
65
|
60
|
71.5
|
64.5
|
|
55
|
55
|
71
|
75
|
75
|
67
|
62
|
73.5
|
66.5
|
|
58
|
58
|
78
|
83
|
78
|
70
|
65
|
76.5
|
69.5
|
6.5
|
|
60
|
60
|
80
|
85
|
80
|
72
|
67
|
76.5
|
69.5
|
|
63
|
63
|
83
|
88
|
83
|
75
|
70
|
78.5
|
71.5
|
|
65
|
65
|
85
|
90
|
82
|
77
|
72
|
81.5
|
74.5
|
|
68
|
68
|
88
|
93
|
90
|
81
|
75
|
82.5
|
75.5
|
7
|
|
70
|
70
|
90
|
95
|
92
|
83
|
77
|
86.5
|
79.5
|
|
75
|
75
|
98
|
104
|
97
|
88
|
82
|
87
|
80
|
|
80
|
80
|
103
|
109
|
105
|
95
|
88
|
90.5
|
83.5
|
|
|
85
|
85
|
108
|
114
|
110
|
100
|
93
|
90.5
|
83.5
|
|
90
|
90
|
113
|
119
|
115
|
105
|
98
|
92.5
|
85.5
|
|
95
|
95
|
118
|
124
|
120
|
110
|
103
|
93.5
|
86.5
|
|
100
|
100
|
123
|
129
|
125
|
115
|
108
|
93.5
|
86.5
|
|
110
|
110
|
135
|
144
|
136
|
125
|
118
|
97
|
90
|
8
|
|
120
|
120
|
145
|
154
|
146
|
135
|
128
|
97
|
90
|
