1、阀座的密封结构应为弹性有预紧力,上、下游密封座同时密封的结构。阀座与密封物间始终为面对面密封;
2、阀座有自清洗功能,并且在阀门开启或关闭过程中不受气流的直接冲刷。阀座应由有润滑、不磨损材料制成;
3、阀门执行机构的故障不会影响到阀门的其它部分,维修和更换工作能够在不拆下阀门的情况下进行。
设计规范:JB/T5298
结构长度:JB/T5298
连接法兰:HG/T 20592
试验与检验:JB/T5298
压力-温度:GB/T12224
公称通径:DN50~1000mm
公称压力:PN1.6~10MPa
适用温度:-19~121℃
主要材质:WCB、WC6
适用介质:水、油品、蒸汽
公称压力(PN) |
DN (mm) |
L | D | D1 | D2 | D0 | f | b | H | H1 | Z-φd | |||
DPZ43/543/643/943F | ||||||||||||||
1.6MPa | 50 | 178 | 165 | 125 | 102 | 250 | 2 | 18 | 584 | 80 | 4-18 | |||
65 | 190 | 185 | 145 | 122 | 250 | 2 | 18 | 634 | 95 | 8-18 | ||||
80 | 203 | 200 | 160 | 138 | 250 | 2 | 20 | 688 | 100 | 8-18 | ||||
100 | 229 | 220 | 180 | 158 | 300 | 2 | 20 | 863 | 114 | 8-18 | ||||
125 | 254 | 250 | 210 | 188 | 350 | 2 | 22 | 940 | 132 | 8-18 | ||||
150 | 267 | 285 | 240 | 212 | 350 | 2 | 22 | 1030 | 150 | 8-22 | ||||
200 | 292 | 340 | 295 | 268 | 350 | 2 | 24 | 1277 | 168 | 12-22 | ||||
250 | 330 | 405 | 355 | 320 | 400 | 2 | 26 | 1491 | 203 | 12-26 | ||||
300 | 356 | 460 | 410 | 378 | 450 | 2 | 28 | 1701 | 237 | 12-26 | ||||
350 | 381 | 520 | 470 | 428 | 500 | 2 | 30 | 1875 | 265 | 16-26 | ||||
400 | 406 | 580 | 525 | 490 | 305 | 2 | 32 | 2180 | 300 | 16-30 | ||||
450 | 432 | 640 | 585 | 550 | 305 | 2 | 40 | 2440 | 325 | 20-30 | ||||
500 | 457 | 715 | 650 | 610 | 305 | 2 | 44 | 2860 | 360 | 20-33 | ||||
600 | 508 | 840 | 770 | 725 | 305 | 2 | 54 | 3450 | 425 | 20-36 | ||||
700 | 610 | 910 | 840 | 795 | 305 | 2 | 42 | 3960 | 460 | 24-36 | ||||
800 | 660 | 1025 | 950 | 900 | 305 | 2 | 42 | 4550 | 512 | 24-39 | ||||
900 | 711 | 1125 | 1050 | 1000 | 250 | 2 | 44 | 5250 | 565 | 28-39 | ||||
1000 | 811 | 1255 | 1170 | 1115 | 250 | 2 | 46 | 5870 | 630 | 28-42 | ||||
2.5MPa | 50 | 178 | 165 | 125 | 102 | 250 | 2 | 20 | 584 | 80 | 4-18 | |||
65 | 190 | 185 | 145 | 122 | 300 | 2 | 22 | 634 | 95 | 8-18 | ||||
80 | 203 | 200 | 160 | 138 | 350 | 2 | 24 | 688 | 100 | 8-18 | ||||
100 | 229 | 235 | 190 | 162 | 350 | 2 | 24 | 863 | 114 | 8-22 | ||||
125 | 254 | 270 | 220 | 188 | 350 | 2 | 26 | 940 | 132 | 8-26 | ||||
150 | 267 | 300 | 250 | 218 | 400 | 2 | 28 | 1030 | 150 | 8-26 | ||||
200 | 292 | 360 | 310 | 278 | 450 | 2 | 30 | 1277 | 168 | 12-26 | ||||
250 | 330 | 425 | 370 | 335 | 500 | 2 | 32 | 1491 | 203 | 12-30 | ||||
300 | 356 | 485 | 430 | 395 | 305 | 2 | 34 | 1701 | 237 | 16-30 | ||||
350 | 381 | 555 | 490 | 450 | 305 | 2 | 38 | 1875 | 265 | 16-33 | ||||
400 | 406 | 620 | 550 | 505 | 305 | 2 | 40 | 2180 | 300 | 16-36 | ||||
450 | 432 | 670 | 600 | 555 | 305 | 2 | 46 | 2440 | 325 | 20-36 | ||||
500 | 457 | 730 | 660 | 615 | 305 | 2 | 48 | 2860 | 360 | 20-36 | ||||
600 | 508 | 845 | 770 | 720 | 305 | 2 | 58 | 3450 | 425 | 20-39 | ||||
700 | 610 | 960 | 875 | 820 | 305 | 2 | 50 | 3960 | 460 | 24-42 | ||||
800 | 660 | 1085 | 990 | 930 | 305 | 2 | 54 | 4550 | 512 | 24-48 |
公称压力 (PN) |
DN (mm) |
L |
D |
D1 |
D2 |
Y |
D0 |
f |
f2 |
b |
H |
H1 |
Z-φd |
|
D P Z 4 3 / 5 4 3 / 6 4 3 / 9 4 3 F |
||||||||||||||
4.0MPa |
50 |
216 |
165 |
125 |
99 |
88 |
250 |
2 |
4 |
20 |
584 |
80 |
4-18 |
|
65 |
241 |
185 |
145 |
118 |
110 |
250 |
2 |
4 |
22 |
634 |
95 |
8-18 |
||
80 |
283 |
200 |
160 |
132 |
121 |
250 |
2 |
4 |
24 |
679 |
102 |
8-18 |
||
100 |
305 |
235 |
190 |
156 |
150 |
300 |
2 |
4.5 |
24 |
863 |
115 |
8-22 |
||
125 |
381 |
270 |
220 |
184 |
176 |
350 |
2 |
4.5 |
26 |
940 |
133 |
8-26 |
||
150 |
403 |
300 |
250 |
211 |
204 |
350 |
2 |
4.5 |
28 |
1040 |
152 |
8-26 |
||
200 |
419 |
375 |
320 |
284 |
260 |
350 |
2 |
4.5 |
34 |
1282 |
188 |
12-30 |
||
250 |
457 |
450 |
385 |
345 |
313 |
400 |
2 |
4.5 |
38 |
1495 |
223 |
12-33 |
||
300 |
502 |
515 |
450 |
409 |
364 |
450 |
2 |
4.5 |
42 |
1701 |
250 |
16-33 |
||
350 |
762 |
580 |
510 |
465 |
422 |
500 |
2 |
5 |
46 |
1880 |
280 |
16-36 |
||
400 |
838 |
660 |
585 |
535 |
474 |
305 |
2 |
5 |
50 |
2200 |
310 |
16-39 |
||
450 |
914 |
685 |
610 |
560 |
524 |
305 |
2 |
5 |
57 |
2480 |
335 |
20-39 |
||
500 |
991 |
755 |
670 |
615 |
576 |
305 |
2 |
5 |
57 |
2890 |
380 |
20-42 |
||
600 |
1143 |
890 |
795 |
735 |
678 |
305 |
2 |
6 |
72 |
3460 |
450 |
20-48 |
||
6.4MPa |
50 |
250 |
180 |
135 |
99 |
88 |
250 |
2 |
4 |
26 |
584 |
90 |
4-22 |
|
65 |
280 |
205 |
160 |
118 |
110 |
250 |
2 |
4 |
26 |
634 |
105 |
8-22 |
||
80 |
310 |
215 |
170 |
132 |
121 |
250 |
2 |
4 |
28 |
679 |
110 |
8-22 |
||
100 |
350 |
250 |
200 |
156 |
150 |
300 |
2 |
4.5 |
30 |
763 |
130 |
8-26 |
||
125 |
400 |
295 |
240 |
184 |
176 |
350 |
2 |
4.5 |
34 |
970 |
150 |
8-30 |
||
150 |
450 |
345 |
280 |
211 |
204 |
350 |
2 |
4.5 |
36 |
1038 |
175 |
8-33 |
||
200 |
550 |
415 |
345 |
284 |
260 |
350 |
2 |
4.5 |
42 |
1282 |
210 |
12-36 |
||
250 |
650 |
470 |
400 |
345 |
313 |
400 |
2 |
4.5 |
46 |
1495 |
240 |
12-36 |
||
300 |
750 |
530 |
460 |
409 |
364 |
450 |
2 |
4.5 |
52 |
1965 |
270 |
16-36 |
||
350 |
850 |
600 |
525 |
465 |
422 |
500 |
2 |
5 |
56 |
2185 |
300 |
16-39 |
||
400 |
950 |
670 |
585 |
535 |
474 |
305 |
2 |
5 |
60 |
2573 |
335 |
16-42 |
||
10.0MPa |
50 |
292 |
195 |
145 |
99 |
88 |
250 |
2 |
4 |
28 |
590 |
100 |
4-26 |
|
65 |
330 |
220 |
170 |
118 |
110 |
250 |
2 |
4 |
30 |
640 |
115 |
8-26 |
||
80 |
356 |
230 |
180 |
132 |
121 |
250 |
2 |
4 |
32 |
680 |
120 |
8-26 |
||
100 |
432 |
265 |
210 |
156 |
150 |
300 |
2 |
4.5 |
36 |
870 |
135 |
8-30 |
||
125 |
508 |
315 |
250 |
284 |
176 |
350 |
2 |
4.5 |
40 |
980 |
155 |
8-33 |
||
150 |
559 |
355 |
290 |
211 |
204 |
350 |
2 |
4.5 |
44 |
1100 |
180 |
12-33 |
||
200 |
660 |
430 |
360 |
284 |
260 |
350 |
2 |
4.5 |
52 |
1315 |
220 |
12-36 |
||
250 |
787 |
505 |
430 |
345 |
313 |
400 |
2 |
4.5 |
60 |
1605 |
255 |
12-39 |
||
300 |
838 |
585 |
500 |
409 |
364 |
450 |
2 |
4.5 |
68 |
1925 |
295 |
16-42 |
||
350 |
889 |
655 |
560 |
465 |
422 |
500 |
2 |
5 |
74 |
2280 |
335 |
16-48 |