Product model: H44W/H
Nominal diameter: NPS 2"~24"
Nominal pressure: CL150~300Lb
Working temperature: -29°C~200°C
Applicable medium: water, steam, oil, nitric acid, acetic acid
Product overview
American standard swing check valve is widely used in pipelines under various working conditions such as petroleum, chemical industry, thermal power stations and other working conditions with nominal pressure of 150LB-2500LB and working temperature -29~550°C, and the applicable medium is: water, oil, steam, etc. Its main function is to prevent the backflow of the medium, prevent the pump and its drive motor from reversing, and the discharge of the medium in the container.
Product features
1. The selection of materials is exquisite, in line with relevant domestic and foreign standards, and the overall quality of materials is high.
2. The products are produced according to the American national standard ANSI B16.34 and the American Petroleum Institute standard API 6D requirements.
3. Various piping flange standards and flange sealing types can be adopted to meet various engineering needs and user requirements.
4. The valve body material is complete, and the gasket can be reasonably selected according to the actual working conditions or user requirements, and can be applied to various pressure, temperature and medium working conditions.
5. The sealing pair is advanced and reasonable, and the sealing surface of the valve disc and valve seat is made of iron-based alloy or Stellite cobalt-based carbide overlay welding surface, which is wear-resistant and high-temperature resistant.
Main Outline Connection Dimensions and Weight
| Class | NPS | DN | L | D | D1 | D2 | b | Z-Φd | H | WT (㎏) |
| in | mm | |||||||||
| 150Lb | 2″ | 50 | 203 | 157 | 120.7 | 92 | 19.50 | 4-Φ19 | 161 | 17 |
| 2-1/2″ | 65 | 216 | 178 | 139.7 | 105 | 22.5 | 4-Φ19 | 180 | 23 | |
| 3″ | 80 | 241 | 190.5 | 152.4 | 127 | 24 | 4-Φ19 | 190 | 33 | |
| 4″ | 100 | 292 | 229 | 190.50 | 157.2 | 24 | 8-Φ19 | 220 | 44 | |
| 6″ | 150 | 356 | 279 | 241.5 | 216 | 25.5 | 8-Φ22.5 | 257 | 78 | |
| 8″ | 200 | 495 | 343 | 298.5 | 270 | 29 | 8-Φ22.5 | 292 | 137 | |
| 10″ | 250 | 622 | 406 | 362 | 324 | 30.5 | 12-Φ25 | 350 | 207 | |
| 12″ | 300 | 698 | 483 | 432 | 381 | 32 | 12-Φ25 | 398 | 279 | |
| 14″ | 350 | 787 | 533 | 476.8 | 413 | 35 | 12-Φ29 | 445 | 387 | |
| 16″ | 400 | 864 | 597 | 539.8 | 470 | 37 | 16-Φ29 | 490 | 446 | |
| 18″ | 450 | 978 | 635 | 577.8 | 533 | 40 | 16-Φ32 | 520 | 621 | |
| 20″ | 500 | 978 | 698 | 635 | 584 | 43 | 20-Φ32 | 546 | 770 | |
| 24″ | 600 | 1295 | 813 | 749.3 | 692 | 48 | 20-Φ35 | 880 | 970 | |
| 300Lb | 2″ | 50 | 267 | 165 | 127 | 92 | 22.5 | 8-Φ19 | 179.5 | 20 |
| 2-1/2″ | 65 | 292 | 190 | 150 | 105 | 25 | 8-Φ22 | 190 | 24 | |
| 3″ | 80 | 318 | 210 | 168 | 127 | 29.0 | 8-Φ22.5 | 212.4 | 40 | |
| 4″ | 100 | 356 | 254 | 200 | 157 | 32.0 | 8-Φ22.5 | 246 | 51 | |
| 6″ | 150 | 445 | 317.5 | 269.7 | 216 | 37.0 | 12-Φ22.5 | 292 | 90 | |
| 8″ | 200 | 533 | 381 | 330 | 270 | 41.5 | 12-Φ25.5 | 328 | 175 | |
| 10″ | 250 | 622 | 444.5 | 387 | 324 | 48.0 | 16-Φ28.5 | 378.6 | 210 | |
| 12″ | 300 | 711 | 521 | 451 | 381 | 51.0 | 16-Φ32 | 420 | 286 | |
| 14″ | 350 | 838 | 584 | 514 | 54 | 57 | 20-Φ32 | 470 | 400 | |
| 16″ | 400 | 864 | 648 | 572 | 57 | 57 | 20-Φ35 | 530 | 550 | |
| 18″ | 450 | 978 | 711 | 629 | 60 | 60 | 24-Φ35 | 584 | 700 | |
| 20″ | 500 | 1016 | 775 | 686 | 64 | 64 | 24-Φ35 | 610 | 860 | |
| 24″ | 600 | 1346 | 914 | 813 | 70 | 70 | 24-Φ41 | 860 | 1931 | |
| 600Lb | 2″ | 50 | 292 | 165 | 127 | 92 | 25 | 8-Φ19 | 203 | 34 |
| 2-1/2″ | 65 | 330 | 190 | 150 | 105 | 29 | 8-Φ22 | 229 | 45 | |
| 3″ | 80 | 356 | 210 | 168 | 127 | 32 | 8-Φ22 | 235 | 63 | |
| 4″ | 100 | 432 | 273 | 216 | 157 | 38 | 8-Φ25 | 286 | 114 | |
| 6″ | 150 | 559 | 356 | 292 | 216 | 48 | 8-Φ29 | 330 | 207 | |
| 8″ | 200 | 660 | 419 | 349 | 270 | 56 | 12-Φ29 | 381 | 387 | |
| 10″ | 250 | 787 | 508 | 432 | 324 | 64 | 12-Φ32 | 457 | 580 | |
| 12″ | 300 | 838 | 559 | 489 | 381 | 67 | 16-Φ35 | 584 | 778 | |
| 14″ | 350 | 889 | 603 | 527 | 413 | 70 | 20-Φ38 | 635 | 9896 | |
| 16″ | 400 | 991 | 686 | 603 | 470 | 76 | 20-Φ41 | 684 | 1380 |
Add: No. 175, Lane 250, Fangde Road, Jiading District, Shanghai
Tel: +86-21-51863336
Fax: +86-21-34677003
E-mail: shldv@139.com
Web: Http://www.shldv.com
Fujian plant site：2233 Maosheng Road, Nan 'an City, Fujian Province
Factory telephone：+86-21-31007333
Shanghai Public Network Anbei: 31011402004337Sitemap
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