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硬密封球阀
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硬密封球阀采用单斜面弹性密封圈或V型槽弹性密封圈结构设计，当介质压力太小时，密封圈与球体的接触面积较小，故有较大的密封比压，确保可靠密封，介质压力较大时，密封圈与球体接触面积增大，故密封圈能受较大的介质推力而不会损坏。由于聚四乙烯等密封圈材料具有良好的自润滑性，与球体的摩擦损小，故球阀的使用寿命长。
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主要零件
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阀体
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WCB
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ZG1Cr18Ni9Ti
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CF8(304)
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CF3(304L)
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ZG1Cr18NT
12Mo2Ti |
CF8(316)
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CF3M(316L)
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球体、阀杆
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2Cr13
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1Cr18Ni9Ti
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OCr18Ni9
(304) |
00Cr19Ni11
(304L) |
1Cr18Ni
12Mo2Ti |
0CR17Ni 12Mo2(316) |
00Cr17Ni |
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密封圈
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特种硬化材料
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填料、垫圈
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柔性石墨环 柔性石墨缠绕垫
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适用工况
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适用介质
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高温的或含有颗粒等介质
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适用温度
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应用规范
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设计制造按
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法兰迟寸按
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结构长度按
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检验试验按
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Q41硬(软)密封球阀主要连接尺寸(JB规格)
|
型号 |
公称通径 Dn (mm) |
尺 寸 (mm) |
|||||||
|
L |
D |
Dl |
D2 |
B-f |
Z-φd |
H |
DO |
||
|
Q41H-16P |
15 |
130 |
96 |
86 |
46 |
14-2 |
4-14 |
60 |
108 |
|
20 |
140 |
105 |
75 |
65 |
14-2 |
4-14 |
64 |
120 |
|
|
25 |
150 |
165 |
85 |
65 |
16-2 |
4-14 |
90 |
165 |
|
|
32 |
165 |
135 |
100 |
78 |
16-2 |
4-18 |
105 |
180 |
|
|
40 |
180 |
146 |
110 |
85 |
18-3 |
4-18 |
150 |
24O |
|
|
50 |
200 |
160 |
126 |
100 |
18-3 |
4-18 |
190 |
240 |
|
|
65 |
220 |
180 |
145 |
120 |
18-3 |
4-18 |
195 |
320 |
|
|
80 |
260 |
195 |
160 |
135 |
20-3 |
8-18 |
216 |
360 |
|
|
100 |
280 |
216 |
180 |
165 |
20-3 |
8-18 |
260 |
400 |
|
|
125 |
320 |
246 |
210 |
186 |
22-3 |
8-18 |
280 |
500 |
|
|
150 |
360 |
280 |
2lO |
210 |
2l-3 |
8-23 |
320 |
600 |
|
|
200 |
400 |
335 |
295 |
265 |
26-3 |
12-23 |
370 |
800 |
|
|
250 |
450 |
406 |
355 |
320 |
3O-33 |
12-25 |
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|
型号 |
公称通径 Dn (mm) |
尺 寸 (mm) |
|||||||
|
L |
D |
Dl |
D2 |
B-f |
Z-φd |
H |
Do |
||
|
Q41H-25P |
15 |
130 |
95 |
65 |
45 |
14-2 |
4-14 |
60 |
108 |
|
20 |
14O |
105 |
75 |
55 |
14-2 |
4-14 |
64 |
120 |
|
|
25 |
150 |
115 |
85 |
B5 |
16-2 |
l-14 |
90 |
165 |
|
|
32 |
165 |
136 |
100 |
78 |
16-2 |
4-18 |
106 |
180 |
|
|
4O |
180 |
146 |
110 |
85 |
18-3 |
4-18 |
160 |
24O |
|
|
50 |
200 |
160 |
126 |
100 |
20-3 |
4-18 |
205 |
270 |
|
|
65 |
220 |
180 |
145 |
120 |
22-3 |
8-18 |
215 |
360 |
|
|
80 |
260 |
195 |
160 |
136 |
22-3 |
8-18 |
230 |
4OO |
|
|
100 |
280 |
230 |
190 |
165 |
24-3 |
8-23 |
270 |
500 |
|
|
125 |
S20 |
270 |
220 |
188 |
28-3 |
8-26 |
300 |
600 |
|
|
150 |
360 |
300 |
260 |
218 |
30-3 |
8-26 |
340 |
900 |
|
|
200 |
400 |
360 |
310 |
278 |
34-3 |
12-26 |
4OO |
1100 |
|
|
260 |
457 |
425 |
370 |
332 |
36-3 |
12-30 |
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型号 |
公称通径 Dn (mm) |
尺 寸 (mm) |
|||||||
|
L |
D |
D1 |
D2 |
B-f |
B-f |
Z-φd |
H |
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|
Q41H-40P |
15 |
130 |
96 |
66 |
46 |
40 |
16-2 |
4-14 |
80 |
|
20 |
140 |
105 |
75 |
65 |
5l |
16--2 |
4-14 |
66 |
|
|
25 |
150 |
116 |
85 |
65 |
58 |
16-2 |
4-14 |
90 |
|
|
32 |
180 |
135 |
100 |
78 |
66 |
18_S |
4-18 |
105 |
|
|
40 |
200 |
145 |
110 |
85 |
76 |
20-3 |
4-18 |
170 |
|
|
50 |
220 |
160 |
125 |
100 |
88 |
20-3 |
4-18 |
230 |
|
|
65 |
260 |
180 |
146 |
120 |
IIO |
22-3 |
8-18 |
250 |
|
|
80 |
280 |
195 |
160 |
135 |
12l |
22-3 |
8-18 |
250 |
|
|
100 |
320 |
230 |
190 |
160 |
150 |
24-3 |
8-23 |
296 |
|
|
125 |
400 |
270 |
220 |
188 |
176 |
28-3 |
8-25 |
330 |
|
|
150 |
400 |
300 |
250 |
218 |
204 |
30-3 |
8-26 |
376 |
|
|
200 |
457 |
376 |
320 |
282 |
260 |
38-3 |
12-30 |
440 |
|
|
250 |
533 |
446 |
385 |
346 |
313 |
42-3 |
12-3l |
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Q41硬(软)密封球阀主要连接尺寸(GB)
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DN
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L
|
D
|
K
|
d
|
d-L
|
f
|
C
|
|
40
|
165
|
150
|
110
|
84
|
4-18
|
2
|
18
|
|
50
|
203
|
165
|
125
|
99
|
4-18
|
2
|
20
|
|
65
|
222
|
185
|
145
|
118
|
4-18
|
2
|
20
|
|
80
|
241
|
200
|
160
|
132
|
4-18
|
2
|
20
|
|
100
|
305
|
220
|
180
|
156
|
4-18
|
2
|
22
|
|
125
|
356
|
250
|
210
|
184
|
4-18
|
2
|
22
|
|
150
|
394
|
285
|
240
|
211
|
8-22
|
2
|
24
|
|
200
|
457
|
340
|
295
|
266
|
12-22
|
2
|
24
|
PN2.5MPa
|
DN
|
L
|
D
|
K
|
d
|
d-L
|
f
|
C
|
|
40
|
165
|
150
|
110
|
84
|
4-18
|
2
|
18
|
|
50
|
203
|
165
|
125
|
99
|
4-18
|
2
|
20
|
|
65
|
222
|
185
|
145
|
118
|
4-18
|
2
|
22
|
|
80
|
241
|
200
|
160
|
132
|
8-18
|
2
|
24
|
|
100
|
305
|
235
|
190
|
156
|
8-22
|
2
|
24
|
|
125
|
356
|
270
|
220
|
184
|
8-26
|
2
|
26
|
|
150
|
394
|
300
|
250
|
211
|
8-26
|
2
|
28
|
|
200
|
457
|
360
|
310
|
274
|
12-26
|
2
|
30
|
NP4.0MPa
|
DN
|
L
|
D
|
K
|
d
|
d-L
|
Y
|
f1
|
f2
|
C
|
|
40
|
200
|
150
|
110
|
84
|
4-18
|
86
|
4
|
3
|
18
|
|
50
|
230
|
165
|
125
|
99
|
4-18
|
88
|
4
|
3
|
20
|
|
65
|
290
|
185
|
145
|
118
|
8-18
|
110
|
4
|
3
|
22
|
|
80
|
310
|
200
|
160
|
132
|
8-18
|
121
|
4
|
3
|
24
|
|
100
|
350
|
235
|
190
|
156
|
8-22
|
15
|
4.5
|
3.5
|
24
|
|
125
|
381
|
270
|
220
|
184
|
8-26
|
176
|
4.5
|
3.5
|
26
|
|
150
|
403
|
300
|
250
|
211
|
8-26
|
204
|
4.5
|
3.5
|
20
|
|
200
|
502
|
375
|
320
|
284
|
12-30
|
260
|
4.5
|
3.5
|
34
|
NP6.3MPa
|
DN
|
L
|
D
|
K
|
d
|
d-L
|
Y
|
f1
|
f2
|
C
|
|
40
|
241
|
170
|
125
|
84
|
4-22
|
76
|
4
|
3
|
26
|
|
50
|
292
|
180
|
135
|
99
|
4-22
|
88
|
4
|
3
|
26
|
|
65
|
330
|
205
|
160
|
118
|
8-22
|
110
|
4
|
3
|
26
|
|
80
|
356
|
215
|
170
|
123
|
8-22
|
121
|
4
|
3
|
28
|
|
100
|
432
|
250
|
200
|
156
|
8-26
|
150
|
4.5
|
3.5
|
30
|
|
125
|
508
|
295
|
240
|
184
|
8-30
|
176
|
4.5
|
3.5
|
34
|
|
150
|
559
|
345
|
280
|
211
|
8-33
|
204
|
4.5
|
3.5
|
36
|
|
200
|
660
|
415
|
345
|
284
|
12-36
|
260
|
4.5
|
3.5
|
43
|
