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铸铁截止阀基本尺寸浅析：
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公称
压力
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公称
通径
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结构尺寸
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壁厚
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法兰
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螺栓
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手轮
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升程
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参考重量
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|||||||||||
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L
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H≈
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H1
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|||||||||||||||||
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AS型
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BS型
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AS型
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BS型
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BS型
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D
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D1
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D2
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d0
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b
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n个
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Th
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Do
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S
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AS型
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BS型
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||||
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0.6
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50
|
230
|
125
|
288
|
258
|
125
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8
|
140
|
110
|
90
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14
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16
|
4
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M12
|
140
|
12
|
14
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12.2
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12.2
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65
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290
|
145
|
310
|
277
|
145
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9
|
160
|
130
|
110
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14
|
16
|
4
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M12
|
140
|
12
|
18
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19.2
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17.7
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|
|
80
|
310
|
155
|
345
|
304
|
155
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9
|
190
|
150
|
128
|
18
|
18
|
4
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M16
|
160
|
14
|
24
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23.8
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21.7
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|
|
100
|
350
|
175
|
374
|
325
|
175
|
10
|
210
|
170
|
148
|
18
|
18
|
4
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M16
|
180
|
14
|
35
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34.5
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32.3
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|
|
125
|
400
|
200
|
426
|
366
|
200
|
10
|
240
|
200
|
178
|
18
|
20
|
8
|
M16
|
200
|
17
|
44
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42.5
|
42.8
|
|
|
150
|
480
|
225
|
482
|
410
|
225
|
11
|
265
|
225
|
202
|
18
|
20
|
8
|
M16
|
200
|
17
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57
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58.7
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55.8
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|
|
175
|
540
|
225
|
557
|
489
|
225
|
11
|
295
|
255
|
232
|
18
|
22
|
8
|
M16
|
200
|
17
|
60
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76.8
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70.3
|
|
|
200
|
600
|
275
|
621
|
549
|
275
|
11
|
320
|
280
|
258
|
18
|
22
|
8
|
M16
|
280
|
24
|
68
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102.0
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95.6
|
|
|
250
|
730
|
325
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721
|
623
|
325
|
13
|
375
|
335
|
312
|
18
|
24
|
12
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M16
|
360
|
27
|
80
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158.0
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151.0
|
|
|
300
|
850
|
375
|
794
|
691
|
375
|
13
|
440
|
395
|
365
|
22
|
24
|
12
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M20
|
450
|
32
|
100
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218.0
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207.0
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|
|
1.0
|
65
|
290
|
145
|
310
|
277
|
145
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9
|
185
|
145
|
122
|
18
|
20
|
4
|
M16
|
140
|
12
|
18
|
21.6
|
20.1
|
|
80
|
310
|
155
|
345
|
304
|
155
|
9
|
200
|
160
|
133
|
18
|
22
|
8
|
M16
|
160
|
14
|
24
|
26.0
|
23.9
|
|
|
100
|
350
|
175
|
374
|
325
|
175
|
10
|
220
|
180
|
158
|
18
|
24
|
8
|
M16
|
180
|
14
|
35
|
35.0
|
32.8
|
|
|
125
|
400
|
200
|
426
|
366
|
200
|
10
|
250
|
210
|
184
|
18
|
26
|
8
|
M16
|
200
|
17
|
44
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44.3
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44.6
|
|
|
150
|
480
|
225
|
482
|
410
|
225
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11
|
285
|
240
|
212
|
22
|
26
|
8
|
M20
|
200
|
17
|
57
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62.7
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59.8
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|
|
175
|
540
|
225
|
557
|
489
|
225
|
11
|
315
|
270
|
242
|
22
|
28
|
8
|
M20
|
280
|
24
|
60
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80.3
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73.8
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|
|
200
|
600
|
275
|
621
|
543
|
275
|
11
|
340
|
295
|
268
|
22
|
28
|
8
|
M20
|
360
|
27
|
68
|
106.0
|
99.6
|
|
|
250
|
730
|
325
|
721
|
623
|
325
|
13
|
395
|
350
|
320
|
22
|
28
|
12
|
M20
|
450
|
32
|
80
|
160.0
|
153.0
|
|
|
1.6
|
20
|
150
|
95
|
217
|
203
|
95
|
7
|
105
|
75
|
58
|
14
|
16
|
4
|
M12
|
80
|
8
|
7
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6.2
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5.7
|
|
25
|
160
|
100
|
217
|
203
|
100
|
7
|
115
|
85
|
68
|
14
|
16
|
4
|
M12
|
80
|
8
|
7
|
6.6
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6.4
|
|
|
32
|
180
|
105
|
236
|
216
|
105
|
7
|
140
|
100
|
78
|
18
|
18
|
4
|
M16
|
100
|
9
|
9
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8.6
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8.7
|
|
|
40
|
200
|
115
|
260
|
236
|
115
|
8
|
150
|
110
|
88
|
18
|
18
|
4
|
M16
|
120
|
11
|
11
|
11.0
|
10.7
|
|
|
50
|
230
|
125
|
288
|
258
|
125
|
8
|
165
|
125
|
102
|
18
|
20
|
4
|
M16
|
140
|
12
|
14
|
14.2
|
14.2
|
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