结构特点：
单端面.内装式. 多弹簧或蝶形弹簧.任意旋向.
平衡型.
应用范围:
温度 : -20~204 ℃
压力 :
≤4Mpa
线速度 : ≤20m/sec
介质 :水. 油类. 酸类. 碱等中等以下腐蚀性介质
|
型号规格
|
D0
|
D
|
D1
|
D2
|
D3
|
D4
|
L
|
L1
|
L2
|
|
H7N-14
|
14
|
18
|
33
|
21
|
25
|
3
|
32.5
|
10
|
18
|
|
H7N-16
|
16
|
20
|
35
|
23
|
27
|
3
|
32.5
|
10
|
18
|
|
H7N-18
|
18
|
22
|
37
|
27
|
33
|
3
|
33.5
|
11.5
|
20
|
|
H7N-20
|
20
|
24
|
39
|
29
|
35
|
3
|
33.5
|
11.5
|
20
|
|
H7N-22
|
22
|
26
|
41
|
31
|
37
|
3
|
33.5
|
11.5
|
20
|
|
H7N-24
|
24
|
28
|
43
|
33
|
39
|
3
|
36
|
11.5
|
20
|
|
H7N-25
|
25
|
30
|
45
|
34
|
40
|
3
|
36
|
11.5
|
20
|
|
H7N-28
|
28
|
33
|
48
|
37
|
43
|
3
|
38.5
|
11.5
|
20
|
|
H7N-30
|
30
|
35
|
50
|
39
|
45
|
3
|
38.5
|
11.5
|
20
|
|
H7N-32
|
32
|
38
|
55
|
42
|
48
|
3
|
38.5
|
11.5
|
20
|
|
H7N-33
|
33
|
38
|
55
|
42
|
48
|
3
|
38.5
|
11.5
|
20
|
|
H7N-35
|
35
|
40
|
57
|
44
|
50
|
3
|
38.5
|
11.5
|
20
|
|
H7N-38
|
38
|
43
|
60
|
49
|
56
|
4
|
38.5
|
14
|
23
|
|
H7N-40
|
40
|
45
|
62
|
51
|
58
|
4
|
38.5
|
14
|
23
|
|
H7N-43
|
43
|
48
|
65
|
54
|
61
|
4
|
38.5
|
14
|
23
|
|
H7N-45
|
45
|
50
|
67
|
56
|
63
|
4
|
38.5
|
14
|
23
|
|
H7N-48
|
48
|
53
|
70
|
59
|
66
|
4
|
38.5
|
14
|
23
|
|
H7N-50
|
50
|
55
|
72
|
62
|
70
|
4
|
42.5
|
15
|
25
|
|
H7N-53
|
53
|
58
|
79
|
65
|
73
|
4
|
42.5
|
15
|
25
|
|
H7N-55
|
55
|
60
|
81
|
67
|
75
|
4
|
42.5
|
15
|
25
|
|
H7N-58
|
58
|
63
|
84
|
70
|
78
|
4
|
47.5
|
15
|
25
|
|
H7N-60
|
60
|
65
|
86
|
72
|
80
|
4
|
47.5
|
15
|
25
|
|
H7N-63
|
63
|
68
|
89
|
75
|
83
|
4
|
47.5
|
15
|
25
|
|
H7N-65
|
65
|
70
|
91
|
77
|
85
|
4
|
47.5
|
15
|
25
|
|
H7N-70
|
70
|
75
|
99
|
83
|
92
|
4
|
52
|
18.0
|
28
|
|
H7N-75
|
75
|
80
|
104
|
88
|
97
|
4
|
52
|
18.0
|
28
|
|
H7N-80
|
80
|
85
|
109
|
95
|
105
|
4
|
51.8
|
18.2
|
28
|
|
H7N-85
|
85
|
90
|
114
|
100
|
110
|
4
|
56.8
|
18.2
|
28
|
|
H7N-90
|
90
|
95
|
119
|
105
|
115
|
4
|
56.8
|
18.2
|
28
|
|
H7N-95
|
95
|
100
|
124
|
110
|
120
|
4
|
57.8
|
17.2
|
28
|
|
H7N-100
|
100
|
105
|
129
|
115.0
|
125.0
|
4
|
57.8
|
17.2
|
28
|
|
H7N-105
|
105
|
115
|
148
|
122.2
|
134.3
|
5
|
53
|
20
|
32
|
|
H7N-110
|
110
|
120
|
153
|
128.2
|
140.3
|
5
|
53
|
20
|
32
|
|
H7N-115
|
115
|
125
|
158
|
136.2
|
148.3
|
5
|
53
|
20
|
32
|
|
H7N-120
|
120
|
130
|
163
|
138.2
|
150.3
|
5
|
53
|
20
|
32
|
