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Check Valve
 Check Valve |
Product Description
Pressure sealing cover, swing type disc
Threaded or welded seat ring
ASTM A216 WCB, A217 Wc6, A351 Cf8, A351 CF8M
A351 Cf3, A351 CF3M, A351 CN7M
Standards compliance
Design and Manufacture: ANSIB16.34, API 6D, BS1868
Face to face(end to end): ANSIB16.10, API 6D
Flanged connection: 2~~24~to ANSIB16.5
Butt welded end: ANSIB16.25
Test and inspection: API 598, API 6D
A. Back up ring: Absorbs thrust applied by internal pressure.
B. Thrust ring: Pretects the soft metallic gasket from detemation.
C. Gasket Unique angutar design provides superior sealing.
| DN (mm) | NPS (in) | L | H | L | H | ||||
| RF | BW | RTJ | RF | BW | RTJ | ||||
| CLASS900Lb | CLASS1500Lb | ||||||||
| 50 | 2 | 368 | 216 | 371 | 241 | 368 | 216 | 371 | 241 |
| 65 | 2½ | 419 | 254 | 422 | 264 | 419 | 254 | 422 | 264 |
| 80 | 3 | 381 | 305 | 384 | 270 | 470 | 305 | 473 | 270 |
| 100 | 4 | 457 | 356 | 460 | 318 | 546 | 406 | 549 | 318 |
| 150 | 6 | 610 | 508 | 613 | 400 | 705 | 559 | 711 | 400 |
| 200 | 8 | 737 | 660 | 740 | 587 | 832 | 711 | 841 | 479 |
| 250 | 10 | 838 | 787 | 841 | 606 | 991 | 864 | 1000 | 591 |
| 300 | 12 | 965 | 914 | 968 | 695 | 1130 | 991 | 1146 | 645 |
| 350 | 14 | 1029 | 991 | 1038 | 749 | 1257 | 1067 | 1276 | 711 |
| 400 | 16 | 1130 | 1092 | 1140 | 730 | 1384 | 1194 | 1407 | 749 |
| 450 | 18 | 1219 | 1181 | 1232 | 851 | 1537 | 1346 | 1559 | 880 |
| 500 | 20 | 1321 | 1283 | 1334 | 864 | 1664 | 1473 | 1686 | 949 |
| 600 | 24 | 1549 | 1511 | 1568 | 959 | 1943 | 1626 | 1972 | 1099 |
| Company: | Shanghai Lusheng International Trade Co., Ltd. |
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