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 |
|
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) |
|
6.4 |
9.6 |
7.0 |
0.6 |
7.0 |
|
公称压力6.4MPa |
|
DN |
L |
D |
D1 |
D2 |
D6 |
b |
f2 |
f |
Z-d |
H |
DO |
Weight |
|
10 |
170 |
100 |
70 |
50 |
18 |
35 |
4 |
2 |
4-14 |
198 |
120 |
5.7 |
|
15 |
170 |
105 |
75 |
55 |
18 |
41 |
4 |
2 |
4-14 |
233 |
140 |
10 |
|
20 |
190 |
125 |
90 |
68 |
20 |
51 |
4 |
2 |
4-18 |
255 |
160 |
13 |
|
25 |
210 |
135 |
100 |
78 |
22 |
58 |
4 |
2 |
4-18 |
275 |
180 |
14.5 |
|
32 |
230 |
150 |
110 |
82 |
24 |
66 |
4 |
2 |
4-23 |
325 |
200 |
19 |
|
40 |
260 |
165 |
125 |
95 |
24 |
76 |
4 |
3 |
4-23 |
360 |
240 |
25 |
|
50 |
300 |
175 |
135 |
105 |
26 |
88 |
4 |
3 |
4-23 |
410 |
280 |
35 |
|
65 |
340 |
200 |
160 |
130 |
28 |
110 |
4 |
3 |
8-23 |
450 |
320 |
48 |
|
80 |
380 |
210 |
170 |
140 |
30 |
121 |
4 |
3 |
8-23 |
485 |
360 |
56 |
|
100 |
430 |
250 |
200 |
168 |
32 |
150 |
4.5 |
3 |
8-25 |
537 |
400 |
125 |
|
125 |
500 |
295 |
240 |
202 |
36 |
176 |
4.5 |
3 |
8-30 |
631 |
400 |
131 |
|
150 |
550 |
340 |
280 |
240 |
38 |
204 |
4.5 |
3 |
8-34 |
646 |
450 |
157 |
|
200 |
650 |
405 |
345 |
300 |
44 |
260 |
4.5 |
3 |
12-34 |
813 |
500 |
283 |
|
公称压力 Pressure Class |
试验压力Testpressure |
|
壳体 Shell |
密封(水) Seat(water) |
密封(气) Seat(Air) |
上密封 (水) Back Seat (water) |
|
10.0 |
15.0 |
11.0 |
0.6 |
11.0 |
|
公称压力10.0MPa |
|
DN |
L |
D |
D1 |
D2 |
D6 |
b |
f2 |
f |
Z-d |
H |
DO |
Weight |
|
10 |
170 |
100 |
70 |
50 |
35 |
20 |
4 |
2 |
4-14 |
198 |
120 |
6 |
|
15 |
170 |
105 |
75 |
55 |
40 |
20 |
4 |
2 |
4-14 |
202 |
140 |
11 |
|
20 |
190 |
125 |
90 |
68 |
51 |
22 |
4 |
2 |
4-18 |
228 |
160 |
13.2 |
|
25 |
210 |
135 |
100 |
78 |
58 |
24 |
4 |
2 |
4-18 |
250 |
180 |
14 |
|
32 |
230 |
150 |
110 |
82 |
66 |
24 |
4 |
2 |
4-18 |
326 |
200 |
15 |
|
40 |
260 |
165 |
125 |
95 |
76 |
26 |
4 |
3 |
4-23 |
359 |
240 |
29 |
|
50 |
300 |
195 |
145 |
112 |
88 |
28 |
4 |
3 |
4-25 |
414 |
280 |
49 |
|
65 |
340 |
220 |
170 |
138 |
110 |
32 |
4 |
3 |
8-25 |
434 |
320 |
65 |
|
80 |
380 |
230 |
180 |
148 |
121 |
34 |
4 |
3 |
8-25 |
547 |
400 |
95 |
|
100 |
430 |
265 |
210 |
175 |
150 |
38 |
4 |
3 |
8-30 |
621 |
450 |
115 |
|
125 |
500 |
310 |
250 |
210 |
176 |
42 |
4.5 |
3 |
8-34 |
732 |
450 |
149 |
|
150 |
550 |
350 |
290 |
250 |
204 |
46 |
4.5 |
3 |
12-34 |
840 |
500 |
310 |
|
200 |
650 |
430 |
360 |
312 |
260 |
54 |
4.5 |
3 |
12-41 |
925 |
550 |
590 |
|
公称压力 Pressure Class |
试验压力Testpressure |
|
壳体 Shell |
密封(水) Seat(water) |
密封(气) Seat(Air) |
上密封 (水) Back Seat (water) |
|
16.0 |
24.0 |
18.0 |
0.6 |
18.0 |
|
公称压力16.0MPa |
|
DN |
L |
D |
D1 |
D2 |
D6 |
b |
f2 |
f |
Z-d |
H |
DO |
Weight |
|
15 |
170 |
110 |
75 |
52 |
40 |
24 |
4 |
2 |
4-18 |
148 |
140 |
12.2 |
|
20 |
190 |
130 |
90 |
62 |
51 |
26 |
4 |
2 |
4-23 |
156 |
160 |
15 |
|
25 |
210 |
140 |
100 |
72 |
58 |
28 |
4 |
2 |
4-23 |
175 |
180 |
17 |
|
32 |
230 |
165 |
115 |
85 |
66 |
30 |
4 |
2 |
4-25 |
200 |
200 |
21.4 |
|
40 |
260 |
175 |
125 |
92 |
76 |
32 |
4 |
3 |
4-27 |
231 |
240 |
32 |
|
50 |
300 |
215 |
165 |
132 |
88 |
36 |
4 |
3 |
8-25 |
262 |
280 |
52 |
|
65 |
340 |
245 |
190 |
152 |
110 |
44 |
4 |
3 |
8-30 |
303 |
320 |
69 |
|
80 |
380 |
260 |
205 |
168 |
121 |
46 |
4 |
3 |
8-30 |
341 |
400 |
98 |
|
100 |
430 |
300 |
240 |
200 |
150 |
48 |
4.5 |
3 |
8-34 |
485 |
450 |
119 |
|
150 |
550 |
390 |
318 |
270 |
204 |
66 |
4.5 |
3 |
12-41 |
|
600 |
|