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NFGZ系列耐磨防垢闸阀
一、用途与规范:
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性能规范:
|
产品型号 |
公称压力 |
密封试验压力 |
强度试验压力 |
工作温度 |
适用介质 |
| 944 NFGZ 44 H-10C 644 |
1.0 |
1.1 |
1.5 |
≤200℃ |
矿浆 渣水 |
|
944 NFGZ 44 H-16C 644 |
1.6 |
1.76 |
2.4 |
||
| 944
NFGZ 44 H-25 644 |
2.5 |
2.75 |
3.75 |
二、主要零件材料:
|
零件名称 |
材 料 |
||
|
10C |
16C |
25 |
|
|
阀 体 |
Q235A |
||
|
阀 盖 |
Q235A |
||
|
闸 座 |
Q235A+堆焊516MA |
||
|
阀 板 |
KMTBCr15Mo3 ZG230-450堆焊516MA 或Cr26或Cr28 |
||
|
阀 杆 |
2Cr13或1Cr18Ni9Ti |
||
|
阀杆螺母 |
铸铝青铜ZCuA19Mn2 |
||
|
手轮 |
QT400-17 |
||
三、主要连接尺寸
| 尺寸mm |
D |
K |
d |
b |
f |
L |
Z-d0 |
D0 |
|
| 公称通径DN |
|||||||||
| 公称压力MPa |
|||||||||
| 1.0 |
80 |
200 |
160 |
132 |
20 |
3 |
280±2 |
8-φ18 |
200 |
| 100 |
220 |
180 |
156 |
22 |
3 |
300±2 |
8-φ18 |
240 |
|
| 125 |
250 |
210 |
184 |
22 |
3 |
325±2 |
8-φ18 |
240 |
|
| 150 |
285 |
240 |
211 |
24 |
3 |
350±2 |
8-φ22 |
280 |
|
| 200 |
340 |
295 |
266 |
24 |
3 |
400±2 |
8-φ22 |
360 |
|
| 250 |
395 |
350 |
319 |
26 |
3 |
450±2 |
12-φ22 |
400 |
|
| 300 |
445 |
400 |
370 |
26 |
4 |
500±3 |
12-φ22 |
500 |
|
| 350 |
505 |
460 |
429 |
26 |
4 |
550±3 |
16-φ22 |
560 |
|
| 400 |
565 |
515 |
480 |
26 |
4 |
600±3 |
16-φ26 |
600 |
|
| 450 |
615 |
565 |
530 |
28 |
4 |
650±3 |
20-φ26 |
720 |
|
| 500 |
670 |
620 |
582 |
28 |
4 |
700±3 |
20-φ26 |
800 |
|
| 1.6 |
80 |
200 |
160 |
132 |
20 |
3 |
280±2 |
8-φ18 |
200 |
| 100 |
220 |
180 |
156 |
22 |
3 |
300±2 |
8-φ18 |
240 |
|
| 125 |
250 |
210 |
184 |
22 |
3 |
325±2 |
8-φ18 |
240 |
|
| 150 |
285 |
240 |
211 |
24 |
3 |
350±2 |
8-φ22 |
280 |
|
| 200 |
340 |
295 |
266 |
24 |
3 |
400±2 |
12-φ22 |
360 |
|
| 250 |
405 |
355 |
319 |
26 |
3 |
450±2 |
12-φ26 |
400 |
|
| 300 |
460 |
410 |
370 |
28 |
4 |
500±3 |
12-φ26 |
500 |
|
| 350 |
520 |
470 |
429 |
30 |
4 |
550±3 |
16-φ26 |
560 |
|
| 400 |
580 |
525 |
480 |
32 |
4 |
600±3 |
16-φ30 |
600 |
|
| 450 |
640 |
585 |
548 |
34 |
4 |
650±3 |
20-φ30 |
720 |
|
| 500 |
715 |
650 |
609 |
36 |
4 |
700±3 |
20-φ33 |
800 |
|
| 2.5 |
80 |
200 |
160 |
132 |
24 |
3 |
280±2 |
8-φ18 |
200 |
| 100 |
235 |
190 |
156 |
24 |
3 |
300±2 |
8-φ22 |
240 |
|
| 125 |
270 |
220 |
184 |
26 |
3 |
325±2 |
8-φ26 |
280 |
|
| 150 |
300 |
250 |
211 |
28 |
3 |
350±2 |
8-φ26 |
320 |
|
| 200 |
360 |
310 |
274 |
30 |
3 |
400±2 |
12-φ26 |
400 |
|
| 250 |
425 |
370 |
330 |
32 |
3 |
450±2 |
12-φ30 |
500 |
|
| 300 |
485 |
430 |
389 |
34 |
4 |
500±3 |
16-φ30 |
560 |
|
| 350 |
555 |
490 |
448 |
38 |
4 |
550±3 |
16-φ33 |
600 |
|
| 400 |
620 |
550 |
503 |
40 |
4 |
600±3 |
16-φ36 |
720 |
|
| 450 |
670 |
600 |
548 |
42 |
4 |
650±3 |
20-φ36 |
800 |
|
| 500 |
730 |
660 |
609 |
44 |
4 |
700±3 |
20-φ36 |
800 |
|
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