结构特点：
内装、单端面、多弹簧或蝶形弹簧、非平衡型、任意旋向.
应用范围:
温度: -20~200 ℃
压力:
≤2.5Mpa
线速度 : ≤20m/sec
介质: 水. 油类. 酸类. 碱等中等以下腐蚀性介质
|
规格尺寸
|
D
|
D1
|
D2
|
D3
|
D4
|
L
|
L1
|
|
M7N-20
|
20
|
35
|
29
|
35
|
3
|
26
|
19.5
|
|
M7N-25
|
25
|
40
|
34
|
40
|
3
|
28.5
|
19.5
|
|
M7N-30
|
30
|
45
|
39
|
45
|
3
|
31
|
19.5
|
|
M7N-35
|
35
|
50
|
44
|
50
|
3
|
31
|
19.5
|
|
M7N-40
|
40
|
57
|
51
|
58
|
4
|
31
|
22
|
|
M7N-45
|
45
|
62
|
56
|
63
|
4
|
31
|
22
|
|
M7N-50
|
50
|
67
|
62
|
70
|
4
|
32.5
|
23
|
|
M7N-55
|
55
|
72
|
67
|
75
|
4
|
32.5
|
23
|
|
M7N-60
|
60
|
81
|
72
|
80
|
4
|
37.5
|
23
|
|
M7N-65
|
65
|
86
|
77
|
85
|
4
|
37.5
|
23
|
|
M7N-70
|
70
|
91
|
83
|
92
|
4
|
42
|
26
|
|
M7N-75
|
75
|
99
|
88
|
97
|
4
|
42
|
26
|
|
M7N-80
|
80
|
104
|
95
|
105
|
4
|
41.8
|
26.2
|
|
M7N-85
|
85
|
109
|
100
|
110
|
4
|
41.8
|
26.2
|
|
M7N-90
|
90
|
114
|
105
|
115
|
4
|
46.8
|
26.2
|
|
M7N-95
|
95
|
119
|
110
|
120
|
4
|
47.8
|
25.2
|
|
M7N-100
|
100
|
124
|
115
|
125
|
4
|
47.8
|
25.2
|
|
M7N-105
|
105
|
138
|
122.2
|
134.3
|
5
|
47
|
30
|
|
M7N-110
|
110
|
143
|
128.2
|
140.3
|
5
|
47
|
30
|
|
M7N-115
|
115
|
148
|
136.2
|
148.3
|
5
|
47
|
30
|
|
M7N-120
|
120
|
153
|
138.2
|
150.3
|
5
|
47
|
30
|
