结构特点与用途
1.全关时手轮按顺时针方向旋转。
2.可以安装在管道的任何位置上,介质从下往上流。
3.不锈钢截止阀适用于各类腐蚀性介质的管道上,有良好的防腐性、足够的强度。
4.合金钢截止阀适用于耐高温的蒸汽、油品管道上,具有耐高温特点。
标准规范
设计与制造:GB/T12235-1989
结构长度:GB/T12221-1989
压力-温度等级:GB/T9124-2000
连接法兰:JB/T79-1994
试验与检验:JB/T9092-1999
壳体材料
|
适用介质
|
适用温度℃
|
碳素钢(C)
|
水、蒸汽、油品
|
≤425
|
铬镍不锈钢(P)
|
硝酸类
|
≤200
|
铬镍钼不锈钢(R)
|
醋酸类
|
≤200
|
铬钼钢(I)
|
水、蒸汽、油品
|
≤550
|
零件名称
|
材料
|
阀体
|
WCB
|
ZG1Cr5Mo
|
ZG1Cr18Ni9Ti
|
ZG1Cr18Ni12Mo2Ti
|
阀瓣
|
WCB
|
1Cr18Ni9Ti
|
1Cr18Ni9Ti
|
1Cr18Ni12Mo2Ti
|
阀盖
|
WCB/25
|
ZG1Cr5Mo
|
ZG1Cr18Ni9Ti
|
ZG1Cr18Ni12Mo2Ti
|
阀杆
|
2Cr13
|
1Cr18Ni9Ti
|
1Cr18Ni9Ti
|
1Cr18Ni12Mo2Ti
|
填料
|
柔性石墨
|
阀杆螺母
|
铝青铜
|
手轮
|
可锻铸铁
|
公称压力
Pressure Class
|
试验压力 Test pressure
|
壳体 Shell
|
密封(水)
Seat (water)
|
密封(气)
Seat (Air)
|
上密封 (水)
Back Seat (water)
|
1.6
|
2.4
|
1.8
|
0.6
|
1.8
|
公称压力1.6MPa
|
DN
|
L
|
D
|
D1
|
D2
|
b
|
f
|
Z-d
|
H
|
DO
|
Weight
|
10
|
130
|
90
|
60
|
40
|
14
|
2
|
4-14
|
198
|
120
|
4.7
|
15
|
130
|
95
|
65
|
45
|
14
|
2
|
4-14
|
220
|
120
|
5.2
|
20
|
150
|
105
|
75
|
55
|
14
|
2
|
4-14
|
255
|
140
|
7.1
|
25
|
160
|
115
|
85
|
65
|
14
|
2
|
4-14
|
275
|
160
|
7.4
|
32
|
180
|
135
|
100
|
78
|
16
|
2
|
4-18
|
280
|
180
|
8.5
|
40
|
200
|
145
|
110
|
85
|
16
|
3
|
4-18
|
300
|
200
|
12.5
|
50
|
230
|
160
|
125
|
100
|
16
|
3
|
4-18
|
358
|
240
|
25
|
65
|
290
|
180
|
145
|
120
|
18
|
3
|
4-18
|
375
|
280
|
32
|
80
|
310
|
195
|
160
|
135
|
20
|
3
|
8-18
|
433
|
280
|
41
|
100
|
350
|
215
|
180
|
155
|
20
|
3
|
8-18
|
502
|
320
|
58
|
125
|
400
|
245
|
210
|
185
|
22
|
3
|
8-18
|
612
|
360
|
80
|
150
|
480
|
280
|
240
|
210
|
24
|
3
|
8-23
|
676
|
400
|
101
|
200
|
600
|
335
|
295
|
265
|
26
|
3
|
12-23
|
820
|
400
|
180
|
250
|
650
|
405
|
355
|
320
|
30
|
3
|
12-25
|
969
|
450
|
440
|
300
|
750
|
460
|
410
|
375
|
30
|
3
|
12-25
|
1142
|
500
|
648
|
公称压力
Pressure Class
|
试验压力 Test pressure
|
壳体 Shell
|
密封(水)
Seat (water)
|
密封(气)
Seat (Air)
|
上密封 (水)
Back Seat (water)
|
2.5
|
3.8
|
2.8
|
0.6
|
2.8
|
公称压力2.5MPa
|
DN
|
L
|
D
|
D1
|
D2
|
b
|
f
|
Z-d
|
H
|
DO
|
Weight
|
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
|
25
|
65
|
290
|
180
|
145
|
120
|
22
|
3
|
8-18
|
400
|
280
|
32
|
80
|
310
|
195
|
160
|
135
|
22
|
3
|
8-18
|
455
|
280
|
45
|
100
|
350
|
230
|
190
|
160
|
24
|
3
|
8-23
|
475
|
320
|
34.5
|
125
|
400
|
270
|
220
|
188
|
28
|
3
|
8-25
|
490
|
360
|
89
|
150
|
480
|
300
|
250
|
218
|
30
|
3
|
8-25
|
510
|
400
|
125
|
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
|
16-30
|
925
|
500
|
654
|
公称压力
Pressure Class
|
试验压力 Test pressure
|
壳体 Shell
|
密封(水)
Seat (water)
|
密封(气)
Seat (Air)
|
上密封 (水)
Back Seat (water)
|
4.0
|
6.0
|
4.4
|
0.6
|
4.4
|
公称压力4.0MPa
|
DN
|
L
|
D
|
D1
|
D2
|
D6
|
b
|
f2
|
f
|
Z-d
|
H
|
DO
|
Weight
|
10
|
130
|
90
|
60
|
40
|
35
|
16
|
4
|
2
|
4-14
|
198
|
120
|
4.9
|
15
|
130
|
95
|
65
|
45
|
40
|
16
|
4
|
2
|
4-14
|
233
|
120
|
5.7
|
20
|
150
|
105
|
75
|
55
|
51
|
16
|
4
|
2
|
4-14
|
275
|
140
|
7
|
25
|
160
|
115
|
85
|
65
|
58
|
16
|
4
|
2
|
4-14
|
285
|
160
|
8.8
|
32
|
180
|
135
|
100
|
78
|
66
|
18
|
4
|
2
|
4-18
|
302
|
180
|
11.8
|
40
|
200
|
145
|
110
|
85
|
76
|
18
|
4
|
3
|
4-18
|
355
|
200
|
16.5
|
50
|
230
|
160
|
125
|
100
|
88
|
20
|
4
|
3
|
4-18
|
373
|
240
|
24
|
65
|
290
|
180
|
145
|
120
|
110
|
22
|
4
|
3
|
8-18
|
408
|
280
|
33
|
80
|
310
|
195
|
160
|
135
|
121
|
22
|
4
|
3
|
8-18
|
436
|
320
|
44
|
100
|
350
|
230
|
190
|
160
|
150
|
24
|
4.5
|
3
|
8-23
|
480
|
360
|
60
|
125
|
400
|
270
|
220
|
188
|
176
|
28
|
4.5
|
3
|
8-25
|
558
|
400
|
89
|
150
|
480
|
300
|
250
|
218
|
204
|
30
|
4.5
|
3
|
8-25
|
611
|
400
|
98
|
200
|
600
|
375
|
320
|
282
|
260
|
38
|
4.5
|
3
|
12-30
|
720
|
400
|
190
|