H44H-API止回阀
产品执行标准
|
类型 |
设计与制造 |
结构长度 |
法兰尺寸 |
压力 -温度 |
试验 -检验 |
|
旋启式止回阀 |
ANSI B16.34 |
ANSI B16.10 |
ANSI B16.15 |
ANSI B16.34 |
API 598 |
|
升降式止回阀 |
BSI 868 |
产品性能规范
|
公称压力 |
150 |
300 |
600 |
900 |
|
|
强度试验 |
MPa |
3.1 |
7.8 |
1513 |
23.1 |
|
Lbf/in2 |
450 |
1125 |
2225 |
3350 |
|
|
水密封试验 |
MPa |
2.2 |
5.6 |
11.2 |
16.8 |
|
Lbf/in2 |
315 |
815 |
1630 |
2440 |
|
|
气密封试验 |
MPa |
0.5～0.7 |
|||
|
Lbf/in2 |
60～100 |
||||
主要零件材料
|
体、盖、瓣、摇杆、导向套 |
销轴 |
垫片 |
密封面 |
工作温度 |
适用介质 |
|
WCB |
2Cr13 |
增加柔性石墨 |
13Cr |
≤425 |
水、蒸汽、油 |
|
WC1 |
≤450 |
||||
|
WC6 |
≤540 |
||||
|
WC9 |
≤570 |
||||
|
C5 C12 |
≤550 |
||||
|
CF8 |
304 |
≤600 |
|||
|
CF3 |
316 |
||||
|
CF8M |
304L |
||||
|
CF3M |
316L |
主要外形和连接尺寸 单位：mm
| NPS | DN | Class150Lb/300Lb/600Lb | WT | ||||||
| in | mm | L | D | D1 | D2 | b | Z-φd | H | |
| 2″ | 50 | 203 | 157 | 120.7 | 92 | 19.50 | 4-19 | 161 | 17 |
| 21/2″ | 65 | 216 | 178 | 139.7 | 105 | 22.5 | 4-19 | 180 | 23 |
| 3″ | 80 | 241 | 190.5 | 152.4 | 127 | 24 | 4-19 | 190 | 33 |
| 4″ | 100 | 292 | 229 | 190.50 | 157.2 | 24 | 8-19 | 220 | 44 |
| 6″ | 150 | 356 | 279 | 241.5 | 216 | 25.5 | 8-22.5 | 257 | 78 |
| 8″ | 200 | 495 | 343 | 298.5 | 270 | 29 | 8-22.5 | 292 | 137 |
| 10″ | 250 | 622 | 406 | 362 | 324 | 30.5 | 12-25 | 350 | 207 |
| 12″ | 300 | 698 | 483 | 432 | 381 | 32 | 12-25 | 398 | 279 |
| 14″ | 350 | 787 | 533 | 47618 | 413 | 35 | 12-29 | 445 | 387 |
| 16″ | 400 | 864 | 597 | 539.8 | 470 | 37 | 16-29 | 490 | 446 |
| 18″ | 450 | 978 | 635 | 577.8 | 533 | 40 | 16-32 | 520 | 621 |
| 20″ | 500 | 978 | 698 | 635 | 584 | 43 | 20-32 | 546 | 770 |
| 24″ | 600 | 1295 | 813 | 749.3 | 692 | 48 | 20-35 | 880 | 970 |
| 2″ | 50 | 267 | 165 | 127 | 92 | 22.5 | 8-19 | 179.5 | 20 |
| 21/2″ | 65 | 292 | 190 | 150 | 105 | 25 | 8-22 | 190 | 24 |
| 3″ | 80 | 318 | 210 | 168 | 127 | 29.0 | 8-22.5 | 212.4 | 40 |
| 4″ | 100 | 356 | 254 | 200 | 157 | 32.0 | 12-22.5 | 246 | 51 |
| 6″ | 150 | 445 | 317.5 | 269.7 | 216 | 37.0 | 12-22.5 | 292 | 90 |
| 8″ | 200 | 533 | 381 | 330 | 270 | 41.5 | 12-25.5 | 328 | 175 |
| 10″ | 250 | 622 | 444.5 | 387 | 324 | 48.0 | 16-28.5 | 378.6 | 210 |
| 12″ | 300 | 71l | 521 | 451 | 381 | 51.0 | 16-32 | 420 | 286 |
| 14″ | 350 | 838 | 584 | 514 | 54 | 54 | 20-32 | 470 | 400 |
| 16″ | 400 | 864 | 648 | 572 | 57 | 57 | 20-35 | 530 | 550 |
| 18″ | 450 | 978 | 711 | 629 | 60 | 60 | 24-35 | 584 | 700 |
| 20″ | 500 | 1016 | 775 | 686 | 64 | 64 | 24-35 | 610 | 860 |
| 24″ | 600 | 1346 | 914 | 813 | 70 | 70 | 24-41 | 860 | 1931 |
| 2″ | 50 | 292 | 165 | 127 | 92 | 25 | 8-19 | 203 | 34 |
| 21/2″ | 65 | 330 | 190 | 150 | 105 | 29 | 8-22 | 229 | 45 |
| 3″ | 80 | 356 | 210 | 168 | 127 | 32 | 8-22 | 235 | 63 |
| 4″ | 100 | 432 | 273 | 216 | 157 | 38 | 8-25 | 286 | 114 |
| 6″ | 150 | 559 | 356 | 292 | 216 | 48 | 8-29 | 330 | 207 |
| 8″ | 200 | 660 | 419 | 349 | 270 | 56 | 12-29 | 381 | 387 |
| 10″ | 250 | 787 | 508 | 432 | 324 | 64 | 12-32 | 457 | 580 |
| 12″ | 300 | 838 | 559 | 489 | 381 | 67 | 16-35 | 584 | 778 |
| 14″ | 350 | 889 | 603 | 527 | 413 | 70 | 20-38 | 635 | 9869 |
| 16″ | 400 | 991 | 686 | 603 | 470 | 76 | 20-41 | 684 | 1380 |