硬密封球閥采用單斜面彈性密封圈或V型槽彈性密封圈結(jié)構(gòu)設(shè)計,當(dāng)介質(zhì)壓力太小時,密()封圈與球體的接觸面積較小,故有較大的密封比壓,確?煽棵芊,介質(zhì)壓力較大時,密封圈與球體接觸面積增大,故密封圈能受較大的介質(zhì)推力而不會損壞。由于聚四乙烯等密封圈材料具有良好的自潤滑性,與球體的摩擦損小,故球閥的使用壽命長。
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硬密封球閥主要零件
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閥體
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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
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CF8(316)
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CF3M(316L)
|
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球體、閥桿
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2Cr13
|
1Cr18Ni9Ti
|
OCr18Ni9
(304)
|
00Cr19Ni11
(304L)
|
1Cr18Ni
12Mo2Ti
|
0CR17Ni
12Mo2(316)
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00Cr17Ni
14Mo2(316L)
|
|
密封圈
|
特種硬化材料
|
|
填料、墊圈
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柔性石墨環(huán) 柔性石墨纏繞墊
|
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硬密封球閥適用工況
|
適用介質(zhì)
|
高溫的或含有顆粒等介質(zhì)
|
|
適用溫度
|
|
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硬密封球閥應(yīng)用規(guī)范
|
設(shè)計制造按
|
|
GB122237-89
|
API6D
|
JPI7S-48
|
|
|
法蘭遲寸按
|
|
JB79-59、GB9113、HG20592-97
|
ANSI B16.5
|
JIS B2212-2214
|
|
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結(jié)構(gòu)長度按
|
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GB12221-89
|
ANSI B16.10
|
JIS B2002
|
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檢驗試驗按
|
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GB/T13927-89 JB/T9092-99
|
API598
|
API598
|
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Q41硬密封球閥主要連接尺寸(JB規(guī)格)
|
硬密封球閥型號
|
硬密封球閥公稱通徑 Dn (mm)
|
硬密封球閥尺 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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硬密封球閥型號
|
公稱通徑 Dn (mm)
|
硬密封球閥尺 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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硬密封球閥型號
|
公稱通徑 Dn (mm)
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硬密封球閥尺 寸 (mm)
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|
L
|
D
|
D1
|
D2
|
B-f
|
B-f
|
Z-φd
|
H
|
|
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硬密封球閥主要連接尺寸(GB)
|
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
|
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
|
硬密封球閥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
|
硬密封球閥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
|
硬密封球閥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
|