钢制截止阀
钢制截止阀应用规范
| 设计制造 |
GB12235 |
| 压力温度值 |
GB9131 |
| 结构长度 |
GB12221 |
| 法兰尺寸 |
JB/T79 |
| 检验与试验 |
GB/T13927 |
结构特点:
螺栓连接阀盖,上螺纹整体支架型,旋转升降杆手轮,平面密封,法兰连接。
主要零件材料及适用介质和温度
|
零件名称 |
材料名称 |
阀体、阀盖 |
WCB |
ZG1Cr18Ni9Ti |
ZG1Cr18Ni12Mo2Ti |
阀瓣 |
1Cr18Ni9 |
1Cr18Ni9Ti |
1Cr18Ni12Mo2Ti |
阀座 |
25 |
1Cr18Ni9Ti |
1Cr18Ni12Mo2Ti |
密封面材料代号 |
2Cr13 |
1Cr18Ni9Ti |
1Cr18Ni12Mo2Ti |
阀杆 |
35氮化
|
1Cr18Ni9Ti |
1Cr18Ni12Mo2Ti |
螺栓/螺母 |
35/Q235-A |
1Cr18Ni9Ti |
1Cr18Ni12Mo2Ti |
垫片 |
XB450 |
PTFE |
PTFE |
填料 |
柔性石墨
|
PTFE |
PTFE |
适用介质 |
水 蒸汽 油品 |
硝酸类
|
醋酸类 |
适用温度(℃) |
-28~425 |
-28~100 |
-28~100 |
国标GB铸钢截止阀PN1.6,2.5,4.0,6.4,10.0MPa
主要外形和连接尺寸
型号 |
PN(MPa) |
DN |
L |
D |
D1 |
D2 |
z-d |
b |
D0 |
H1 |
H2 |
f |
|
|
1.6
2.5
4.0 |
15 |
130 |
95 |
65 |
45 |
4-14 |
16 |
120 |
195 |
205 |
2 |
20 |
150 |
105 |
75 |
55 |
4-14 |
16 |
140 |
199 |
212 |
2 |
25 |
160 |
115 |
85 |
65 |
4-14 |
16 |
160 |
213 |
229 |
2 |
32 |
180 |
135 |
100 |
78 |
4-18 |
18 |
180 |
250 |
266 |
2 |
40 |
200 |
145 |
110 |
85 |
4-18 |
18 |
200 |
251 |
272 |
3 |
1.6 |
50 |
230 |
160 |
125 |
100 |
4-18 |
18 |
240 |
290 |
317 |
3 |
65 |
290 |
180 |
145 |
120 |
4-18 |
18 |
280 |
296 |
324 |
3 |
80 |
310 |
195 |
160 |
135 |
8-18 |
20 |
320 |
322 |
354 |
3 |
100 |
350 |
215 |
180 |
155 |
8-18 |
20 |
360 |
362 |
402 |
3 |
125 |
400 |
245 |
210 |
185 |
8-18 |
22 |
400 |
432 |
490 |
3 |
150 |
480 |
280 |
240 |
210 |
8-23 |
24 |
400 |
493 |
565 |
3 |
200 |
600 |
335 |
295 |
265 |
12-23 |
26 |
450 |
613 |
701 |
3 |
250 |
730 |
405 |
355 |
320 |
12-25 |
30 |
550 |
615 |
735 |
3 |
2.5
4.0 |
50 |
230 |
160 |
125 |
100 |
4-18 |
20 |
240 |
290 |
317 |
3 |
65 |
290 |
180 |
145 |
120 |
8-18 |
22 |
280 |
312 |
338 |
3 |
80 |
310 |
195 |
160 |
135 |
8-18 |
22 |
320 |
352 |
382 |
3 |
100 |
350 |
230 |
190 |
160 |
8-23 |
24 |
360 |
376 |
419 |
3 |
125 |
400 |
270 |
220 |
188 |
8-25 |
28 |
400 |
465 |
525 |
3 |
150 |
480 |
300 |
250 |
218 |
8-25 |
30 |
400 |
517 |
590 |
3 |
2.5 |
200 |
600 |
600 |
310 |
278 |
12-25 |
34 |
450 |
638 |
726 |
3 |
250 |
730 |
425 |
370 |
332 |
12-30 |
36 |
480 |
640 |
760 |
3 |
4.0 |
200 |
600 |
375 |
320 |
282 |
12-30 |
38 |
450 |
638 |
726 |
3 |
250 |
730 |
445 |
385 |
345 |
12-30 |
42 |
480 |
640 |
760 |
3 |
主要外形和连接尺寸
3型号 |
PN(MPa) |
DN |
L |
D |
D1 |
D2 |
z-d |
b |
D0 |
H1 |
H2 |
f |
J41B-64
-100
|
6.4
10.0
|
15 |
170 |
105 |
75 |
55 |
4-14 |
20 |
160 |
218 |
230 |
2 |
20 |
190 |
125 |
90 |
68 |
4-18 |
22 |
200 |
232 |
248 |
2 |
25 |
210 |
135 |
100 |
78 |
4-18 |
24 |
200 |
271 |
282 |
2 |
32 |
230 |
150 |
110 |
82 |
4-23 |
24 |
240 |
326 |
348 |
2 |
40 |
260 |
165 |
125 |
95 |
4-23 |
24 |
280 |
339 |
361 |
3 |
6.4 |
50 |
300 |
175 |
135 |
105 |
4-23 |
26 |
280 |
397 |
422 |
3 |
65 |
340 |
200 |
160 |
130 |
8-23 |
28 |
320 |
416 |
451 |
3 |
80 |
380 |
210 |
170 |
140 |
8-23 |
30 |
360 |
473 |
516 |
3 |
100 |
430 |
250 |
200 |
168 |
8-25 |
32 |
400 |
520 |
573 |
3 |
125 |
500 |
295 |
240 |
202 |
8-30 |
36 |
400 |
565 |
630 |
3 |
150 |
550 |
340 |
280 |
240 |
8-34 |
38 |
450 |
612 |
690 |
3 |
200 |
650 |
405 |
345 |
300 |
12-34 |
44 |
480 |
690 |
790 |
3 |
10.0
|
50 |
300 |
195 |
145 |
112 |
4-25 |
28 |
280 |
390 |
415 |
3 |
65 |
340 |
220 |
170 |
138 |
8-25 |
32 |
320 |
415 |
450 |
3 |
80 |
380 |
230 |
180 |
148 |
8-25 |
34 |
360 |
505 |
545 |
3 |
100 |
430 |
265 |
210 |
172 |
8-30 |
38 |
400 |
566 |
616 |
3 |
125 |
500 |
310 |
250 |
210 |
8-34 |
42 |
400 |
645 |
710 |
3 |
150 |
550 |
350 |
290 |
250 |
12-34 |
46 |
450 |
682 |
760 |
3 |
|