低温闸阀的启闭件是闸板,闸板的运动方向与流体方向相垂直,闸阀只能作全开和全关, 不能作调节和节流。闸板有两个密封面, 最常用的模式闸板阀的两个密封面形成楔形、楔形角随阀门参数而异 , 通常为 50, 介质温度不高
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主要外形和连接尺寸 单位Unit:mm
公称通径 DN |
主要外形尺寸和连接尺寸 |
WT |
L |
D |
D1 |
D2 |
b |
Z-φd |
H |
D0 |
DZ40Y-16L |
20 |
150 |
105 |
75 |
55 |
14 |
4-14 |
320 |
140 |
6 |
25 |
160 |
115 |
85 |
65 |
14 |
4-14 |
350 |
160 |
7 |
32 |
180 |
135 |
100 |
78 |
16 |
4-18 |
385 |
180 |
9 |
40 |
200 |
145 |
110 |
85 |
16 |
4-18 |
420 |
200 |
15 |
50 |
250 |
160 |
125 |
100 |
16 |
4-18 |
540 |
240 |
30 |
65 |
270 |
180 |
145 |
120 |
18 |
4-18 |
6lO |
240 |
34 |
80 |
280 |
195 |
160 |
135 |
20 |
8-18 |
690 |
280 |
45 |
100 |
300 |
215 |
180 |
155 |
20 |
8-18 |
780 |
300 |
64 |
125 |
325 |
245 |
210 |
185 |
22 |
8-18 |
930 |
320 |
110 |
150 |
350 |
280 |
240 |
210 |
24 |
8-23 |
980 |
360 |
135 |
200 |
400 |
335 |
295 |
265 |
26 |
12-23 |
1180 |
400 |
195 |
250 |
450 |
405 |
355 |
320 |
30 |
12-25 |
1390 |
450 |
275 |
300 |
500 |
460 |
410 |
375 |
30 |
12-25 |
1620 |
560 |
380 |
350 |
550 |
520 |
470 |
425 |
34 |
16-25 |
1810 |
640 |
594 |
400 |
600 |
580 |
525 |
485 |
36 |
16-30 |
1970 |
640 |
725 |
DZ40Y-25L |
20 |
150 |
105 |
75 |
55 |
16 |
4-14 |
320 |
140 |
6 |
25 |
160 |
115 |
85 |
65 |
16 |
4-14 |
350 |
160 |
8 |
32 |
180 |
135 |
100 |
78 |
18 |
4-18 |
385 |
180 |
10 |
40 |
200 |
145 |
110 |
85 |
18 |
4-18 |
420 |
200 |
16 |
50 |
250 |
160 |
125 |
100 |
20 |
4-18 |
540 |
240 |
30 |
65 |
270 |
180 |
145 |
120 |
22 |
8-18 |
610 |
240 |
35 |
80 |
280 |
195 |
160 |
135 |
22 |
8-18 |
690 |
280 |
47 |
100 |
300 |
230 |
190 |
160 |
24 |
8-23 |
780 |
300 |
65 |
125 |
325 |
270 |
220 |
188 |
28 |
8-25 |
930 |
320 |
110 |
150 |
350 |
300 |
250 |
218 |
30 |
8-25 |
980 |
360 |
135 |
200 |
400 |
360 |
310 |
278 |
34 |
12-25 |
1180 |
400 |
215 |
250 |
450 |
425 |
370 |
332 |
36 |
12-30 |
1390 |
450 |
295 |
300 |
500 |
485 |
430 |
390 |
40 |
16-30 |
1620 |
560 |
400 |
350 |
550 |
550 |
490 |
448 |
44 |
16-34 |
1810 |
640 |
630 |
400 |
600 |
610 |
550 |
505 |
48 |
16-34 |
1990 |
640 |
910 |
主要外形和连接尺寸 单位Unit:mm
公称通径 DN |
主要外形尺寸和连接尺寸 |
WT |
1 |
D |
D1 |
D2 |
D6 |
b |
Z-φd |
H |
D0 |
DZ40Y-40L |
20 |
150 |
105 |
75 |
55 |
51 |
16 |
4-14 |
330 |
140 |
7 |
25 |
160 |
115 |
85 |
65 |
58 |
16 |
4-14 |
360 |
160 |
9 |
32 |
180 |
135 |
100 |
78 |
66 |
18 |
4-18 |
440 |
180 |
11 |
40 |
200 |
145 |
110 |
85 |
76 |
18 |
4-18 |
455 |
200 |
19 |
50 |
250 |
160 |
125 |
100 |
88 |
20 |
4-18 |
575 |
280 |
28 |
65 |
280 |
180 |
145 |
120 |
110 |
22 |
8-18 |
635 |
280 |
35 |
80 |
310 |
195 |
160 |
135 |
121 |
22 |
8-18 |
715 |
320 |
50 |
100 |
350 |
230 |
190 |
160 |
150 |
24 |
8-23 |
815 |
360 |
74 |
125 |
400 |
270 |
220 |
188 |
176 |
28 |
8-25 |
965 |
400 |
115 |
150 |
450 |
300 |
250 |
218 |
204 |
30 |
8-25 |
1025 |
400 |
135 |
200 |
550 |
375 |
320 |
282 |
260 |
38 |
12-30 |
1225 |
450 |
215 |
250 |
650 |
445 |
385 |
345 |
313 |
42 |
12-34 |
1440 |
560 |
184 |
300 |
750 |
510 |
450 |
408 |
346 |
46 |
16-34 |
1665 |
640 |
405 |
350 |
850 |
570 |
510 |
465 |
422 |
52 |
16-34 |
1880 |
640 |
600 |
400 |
950 |
655 |
585 |
535 |
474 |
58 |
16-41 |
2050 |
720 |
750 |
DZ40Y-64L |
20 |
190 |
125 |
90 |
68 |
51 |
20 |
4-18 |
330 |
100 |
8 |
25 |
210 |
135 |
100 |
78 |
58 |
22 |
4-18 |
360 |
180 |
13 |
32 |
230 |
150 |
110 |
82 |
66 |
24 |
4-23 |
410 |
180 |
24 |
40 |
240 |
165 |
125 |
95 |
76 |
24 |
4-23 |
480 |
200 |
32 |
50 |
250 |
175 |
135 |
105 |
88 |
26 |
4-23 |
585 |
200 |
39 |
65 |
280 |
200 |
160 |
160 |
110 |
28 |
8-23 |
690 |
250 |
45 |
80 |
310 |
210 |
170 |
140 |
121 |
30 |
8-23 |
745 |
300 |
60 |
100 |
350 |
250 |
200 |
168 |
150 |
32 |
8-25 |
885 |
300 |
90 |
125 |
400 |
295 |
240 |
202 |
176 |
36 |
8-30 |
985 |
350 |
140 |
150 |
450 |
340 |
280 |
240 |
204 |
38 |
8-34 |
1050 |
350 |
205 |
200 |
550 |
405 |
345 |
300 |
260 |
44 |
12-34 |
1240 |
400 |
330 |
250 |
650 |
470 |
400 |
352 |
313 |
48 |
12-41 |
1460 |
560 |
468 |
300 |
750 |
530 |
460 |
412 |
364 |
54 |
16-41 |
1690 |
640 |
600 |
DZ40Y-100L |
25 |
210 |
135 |
100 |
78 |
58 |
24 |
4-18 |
365 |
200 |
18 |
32 |
230 |
150 |
110 |
82 |
66 |
24 |
4-23 |
420 |
240 |
27 |
50 |
250 |
195 |
145 |
112 |
88 |
28 |
4-25 |
630 |
360 |
45 |
65 |
280 |
220 |
170 |
138 |
110 |
32 |
8-25 |
700 |
400 |
60 |
80 |
310 |
230 |
180 |
148 |
121 |
34 |
8-25 |
760 |
400 |
76 |
100 |
350 |
265 |
210 |
172 |
150 |
38 |
8-30 |
900 |
400 |
128 |
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