法兰连接的截止阀适用于公称压力PN1.6~6.4MPa,工作温度-29~450℃的石油、化工、制药、化肥、电力行业等各种工况的管路上,切断或接通管路介质。适用介质为:水、油品、蒸气、酸性介质等。操作方式有:手动、齿轮传动、电动、气动等。
标准与规范
设计与制造 |
结构长度
|
压力温度等级
|
连接法兰
|
试验与检验
|
GB12235
|
GB12221
|
GB9131
JB/T74 HG20604 |
JB/T74-90
GB9113 HG20592-20635 |
JB/T9092-1999
GB13927 |
结构优势与特点
1、产品设计制造按国家标准GB12235,结构合理,密封可靠,性能优良,造型美观。
2、阀瓣、阀座密封面用铁基合金堆焊或司太立(stellite)钴基硬质合金堆焊而成,耐磨、耐高温、耐腐蚀、抗擦伤性能好、使用寿命长。
3、阀杆经调质及表面氮化处理,有良好的抗腐蚀性和抗擦伤性。
4、可采用各种配管法兰标准及法兰密封面形式,满足各种工程需要和用户要求。
5、倒密封采用螺纹连接密封座或本体堆焊奥氏体不锈钢而成,密封可靠,填料与日俱更换可在不停机情况下进行方便快捷不影响系统运行。
主要零件材料
零件名称 |
材料牌号
|
|||||
阀体
|
WCB
|
ZG1Cr18Ni9Ti
|
ZG1Cr18Ni12MoTi
|
ZGCr5Mo
|
||
阀盖
|
WCB
|
ZG1Cr18Ni9Ti
|
ZG1Cr18Ni12MoTi
|
ZGCr5Mo
|
||
支架
|
WCB
|
ZG1Cr18Ni9Ti
|
ZG1Cr18Ni12MoTi
|
ZGCr5Mo
|
||
阀瓣
|
2Cr13
|
304
|
316
|
Cr5Mo
|
||
阀杆
|
2Cr13
|
304
|
316
|
25Cr2MoV
|
||
阀座
|
25
|
304
|
316
|
304
|
||
密封环、垫片
|
304、包覆垫
|
|||||
填料
|
增强柔性石墨
|
公称压力 PN(MPa) |
试验压力(MPa)
|
适用温度(℃)
|
适用
介质 |
||||
强度试验
|
密封试验
|
WCB
|
Wr5Mo
|
1Cr18Ni12Mo2Ti
|
1C18Ni9Ti
|
||
1.6
|
2.4
|
1.8
|
≤425
|
≤550
|
≤200
|
≤200
|
水、油品、蒸气、酸性介质
|
2.5
|
3.8
|
2.8
|
|||||
4.0
|
6.0
|
4.4
|
|||||
6.4
|
9.6
|
7.1
|
|||||
10.0
|
15
|
11
|
/
|
||||
16.0
|
24
|
17.6
|
公称压力PN(MPa) |
公称通径DN(mm)
|
主要外形尺寸及连接尺寸(mm)
|
重量
(kg) |
|||||||||
L
|
D
|
D1
|
D2
|
D6
|
b-f
|
f2
|
z-φd
|
H
|
Do
|
|||
1.6
|
10
|
130
|
90
|
60
|
40
|
/
|
14-2
|
/
|
4-14
|
198
|
120
|
4.7
|
15
|
130
|
95
|
65
|
45
|
/
|
16-2
|
/
|
4-14
|
218
|
120
|
5.2
|
|
20
|
150
|
105
|
75
|
55
|
/
|
16-2
|
/
|
4-14
|
258
|
140
|
7.1
|
|
25
|
160
|
115
|
85
|
65
|
/
|
16-2
|
/
|
4-14
|
275
|
160
|
7.4
|
|
32
|
180
|
135
|
100
|
78
|
/
|
18-2
|
/
|
4-18
|
280
|
180
|
8.5
|
|
40
|
200
|
145
|
110
|
85
|
/
|
18-3
|
/
|
4-18
|
330
|
200
|
12.5
|
|
50
|
230
|
160
|
125
|
100
|
/
|
18-3
|
/
|
4-18
|
350
|
240
|
14
|
|
65
|
290
|
180
|
145
|
120
|
/
|
18-3
|
/
|
4-18
|
400
|
280
|
22.58
|
|
80
|
340
|
195
|
160
|
135
|
/
|
20-3
|
/
|
8-18
|
355
|
280
|
29
|
|
100
|
350
|
215
|
180
|
155
|
/
|
22-3
|
/
|
8-18
|
415
|
320
|
32.5
|
|
125
|
400
|
245
|
210
|
185
|
/
|
24-3
|
/
|
8-18
|
460
|
360
|
80
|
|
150
|
480
|
280
|
240
|
210
|
/
|
24-3
|
/
|
8-23
|
510
|
400
|
93.5
|
|
200
|
600
|
335
|
295
|
265
|
/
|
26-3
|
/
|
12-23
|
710
|
400
|
180
|
|
250
|
650
|
405
|
355
|
320
|
/
|
30-3
|
/
|
12-25
|
786
|
450
|
440
|
|
300
|
750
|
460
|
410
|
375
|
/
|
30-4
|
/
|
12-25
|
925
|
500
|
648
|
2.5
|
10
|
130
|
90
|
60
|
40
|
/
|
16-2
|
/
|
4-14
|
198
|
120
|
4.9
|
15
|
130
|
95
|
65
|
45
|
/
|
16-2
|
/
|
4-14
|
218
|
120
|
5.4
|
|
20
|
150
|
105
|
75
|
55
|
/
|
16-2
|
/
|
4-14
|
258
|
140
|
7
|
|
25
|
160
|
115
|
85
|
65
|
/
|
16-2
|
/
|
4-14
|
275
|
160
|
7.4
|
|
32
|
180
|
135
|
100
|
78
|
/
|
18-2
|
/
|
4-18
|
280
|
180
|
8.5
|
|
40
|
200
|
145
|
110
|
85
|
/
|
18-3
|
/
|
4-18
|
330
|
200
|
12.5
|
|
50
|
230
|
160
|
125
|
100
|
/
|
20-3
|
/
|
4-18
|
350
|
240
|
16
|
|
65
|
290
|
180
|
145
|
125
|
/
|
22-3
|
/
|
8-18
|
400
|
280
|
25
|
|
80
|
310
|
195
|
160
|
145
|
/
|
22-3
|
/
|
8-18
|
355
|
280
|
30
|
|
100
|
350
|
230
|
190
|
160
|
/
|
24-3
|
/
|
8-23
|
415
|
320
|
34.5
|
|
125
|
400
|
270
|
220
|
188
|
/
|
28-3
|
/
|
8-25
|
460
|
360
|
89
|
|
150
|
480
|
300
|
250
|
218
|
/
|
30-3
|
/
|
8-25
|
510
|
400
|
98
|
|
200
|
600
|
360
|
310
|
278
|
/
|
34-3
|
/
|
12-25
|
710
|
400
|
180
|
|
250
|
650
|
425
|
370
|
332
|
/
|
36-3
|
/
|
12-30
|
786
|
450
|
446
|
|
300
|
750
|
485
|
430
|
390
|
/
|
40-4
|
/
|
12-30
|
925
|
500
|
654
|
4.0
|
10
|
130
|
90
|
60
|
40
|
34
|
16-2
|
4
|
4-14
|
198
|
120
|
4.9
|
15
|
130
|
95
|
65
|
45
|
40
|
16-2
|
4
|
4-14
|
233
|
120
|
5.7
|
|
20
|
150
|
105
|
75
|
55
|
51
|
16-2
|
4
|
4-14
|
275
|
140
|
7
|
|
25
|
160
|
115
|
85
|
65
|
58
|
16-2
|
4
|
4-14
|
285
|
160
|
8.8
|
|
32
|
180
|
135
|
100
|
78
|
66
|
18-2
|
4
|
4-18
|
302
|
180
|
11.8
|
|
40
|
200
|
145
|
110
|
85
|
76
|
18-3
|
4
|
4-18
|
355
|
200
|
16.5
|
|
50
|
230
|
160
|
125
|
100
|
88
|
20-3
|
4
|
4-18
|
373
|
240
|
24
|
|
65
|
290
|
180
|
145
|
125
|
110
|
22-3
|
4
|
8-18
|
408
|
280
|
33
|
|
80
|
310
|
195
|
160
|
145
|
121
|
22-32
|
4
|
8-18
|
436
|
320
|
44
|
|
100
|
350
|
230
|
190
|
160
|
150
|
24-3
|
4.5
|
8-23
|
480
|
360
|
60
|
|
125
|
400
|
270
|
220
|
188
|
176
|
28-3
|
4.5
|
8-25
|
558
|
400
|
89
|
|
150
|
480
|
300
|
250
|
218
|
204
|
30-3
|
4.5
|
8-25
|
611
|
400
|
98
|
|
200
|
600
|
375
|
320
|
282
|
260
|
38-3
|
4.5
|
12-30
|
720
|
400
|
190
|
240
公称压力PN(MPa) |
公称通径DN(mm)
|
主要外形尺寸及连接尺寸(mm)
|
重量
(kg) |
||||||||||
L
|
D
|
D1
|
D2
|
D6
|
D8
|
b-f
|
f2
|
z-φd
|
H
|
Do
|
|||
6.4
|
10
|
170
|
100
|
70
|
50
|
35
|
/
|
18-2
|
4
|
4-14
|
198
|
120
|
5.7
|
15
|
170
|
105
|
75
|
55
|
41
|
/
|
18-2
|
4
|
4-14
|
195
|
140
|
10
|
|
20
|
190
|
125
|
90
|
68
|
51
|
/
|
20-2
|
4
|
4-18
|
228
|
160
|
13
|
|
25
|
210
|
135
|
100
|
78
|
58
|
/
|
22-2
|
4
|
4-18
|
275
|
180
|
14.5
|
|
32
|
230
|
150
|
110
|
82
|
66
|
/
|
24-2
|
4
|
4-23
|
325
|
200
|
19
|
|
40
|
260
|
165
|
125
|
95
|
76
|
/
|
24-3
|
4
|
4-23
|
360
|
240
|
25
|
|
50
|
300
|
175
|
135
|
105
|
88
|
/
|
26-3
|
4
|
8-23
|
410
|
280
|
35
|
|
65
|
340
|
200
|
160
|
130
|
110
|
/
|
28-3
|
4
|
8-23
|
450
|
320
|
48
|
|
80
|
380
|
210
|
170
|
140
|
121
|
/
|
30-3
|
4
|
8-23
|
485
|
360
|
56
|
|
100
|
430
|
240
|
200
|
168
|
150
|
/
|
32-3
|
4.5
|
8-25
|
537
|
400
|
125
|
|
125
|
500
|
250
|
240
|
202
|
176
|
/
|
36-3
|
4.5
|
8-30
|
631
|
400
|
131
|
|
150
|
550
|
340
|
280
|
204
|
/
|
38-3
|
4.5
|
8-34
|
646
|
450
|
157
|
||
200
|
650
|
405
|
345
|
300
|
260
|
/
|
44-3
|
4.5
|
12-34
|
813
|
500
|
283
|
|
10.0
|
10
|
170
|
100
|
70
|
50
|
/
|
35
|
20-2
|
/
|
4-14
|
198
|
120
|
6
|
, , , , , , 15
|
170
|
105
|
75
|
55
|
/
|
40
|
20-2
|
/
|
4-14
|
202
|
140
|
11
|
|
20
|
190
|
125
|
90
|
68
|
/
|
51
|
22-2
|
/
|
4-18
|
228
|
160
|
13.2
|
|
25
|
210
|
135
|
100
|
78
|
/
|
58
|
24-2
|
/
|
4-18
|
250
|
180
|
14
|
|
32
|
230
|
150
|
110
|
82
|
/
|
66
|
24-2
|
/
|
4-23
|
326
|
220
|
15
|
|
40
|
260
|
165
|
125
|
95
|
/
|
76
|
26-3
|
/
|
4-23
|
359
|
240
|
29
|
|
50
|
300
|
195
|
145
|
112
|
/
|
88
|
28-3
|
/
|
4-25
|
414
|
280
|
49
|
|
65
|
340
|
220
|
170
|
138
|
/
|
110
|
32-3
|
/
|
8-25
|
434
|
320
|
65
|
|
80
|
380
|
230
|
180
|
148
|
/
|
121
|
34-3
|
/
|
8-30
|
547
|
400
|
95
|
|
100
|
430
|
265
|
210
|
172
|
/
|
150
|
38-3
|
/
|
8-25
|
621
|
450
|
115
|
|
125
|
500
|
310
|
250
|
210
|
/
|
176
|
42-3
|
/
|
8-34
|
732
|
450
|
149
|
|
150
|
550
|
350
|
290
|
250
|
/
|
204
|
46-3
|
/
|
12-34
|
840
|
500
|
310
|
|
200
|
650
|
430
|
360
|
312
|
/
|
260
|
54-3
|
/
|
12-41
|
925
|
550
|
590
|