Check Valve
API Swing Check Valve
Specifications
Confirmed at quote- Size Range
- NPS 2 to NPS 24
- Pressure Class
- Class 600, Class 900, Class 1500, Class 2500
- End connection
- Flanged (RF, RTJ) · Butt weld
Configure your variant(manually adjust box on the right if you require a different spec)
- Size
- Pressure
- End connection
Dimensions per size(50 sizes)
| Size | L_RF (mm) | L_RTJ (mm) | L_BW (mm) | d (mm) | H (mm) | Weight |
|---|---|---|---|---|---|---|
| NPS 2 / DN50 (Class 600) | 292 | 295 | 292 | 51 | 170 | 26 kg |
| NPS 2 1/2 / DN65 (Class 600) | 330 | 333 | 330 | 64 | 178 | 35 kg |
| NPS 3 / DN80 (Class 600) | 356 | 359 | 356 | 76 | 225 | 59 kg |
| NPS 4 / DN100 (Class 600) | 432 | 435 | 432 | 102 | 275 | 99 kg |
| NPS 5 / DN125 (Class 600) | 508 | 511 | 508 | 127 | 320 | 155 kg |
| NPS 6 / DN150 (Class 600) | 559 | 562 | 559 | 152 | 385 | 208 kg |
| NPS 8 / DN200 (Class 600) | 660 | 664 | 660 | 200 | 445 | 357 kg |
| NPS 10 / DN250 (Class 600) | 787 | 791 | 787 | 248 | 500 | 561 kg |
| NPS 12 / DN300 (Class 600) | 838 | 841 | 838 | 298 | 570 | 752 kg |
| NPS 14 / DN350 (Class 600) | 889 | 892 | 889 | 327 | 590 | 889 kg |
| NPS 16 / DN400 (Class 600) | 991 | 994 | 991 | 375 | 650 | 1285 kg |
| NPS 18 / DN450 (Class 600) | 1092 | 1095 | 1092 | 419 | 778 | 1800 kg |
| NPS 20 / DN500 (Class 600) | 1194 | 1200 | 1194 | 464 | 970 | 2150 kg |
| NPS 24 / DN600 (Class 600) | 1397 | 1407 | 1397 | 559 | 1100 | 3200 kg |
| NPS 2 / DN50 (Class 900) | 368 | 371 | 368 | 51 | 183 | 72 kg |
| NPS 2 1/2 / DN65 (Class 900) | 419 | 422 | 419 | 64 | 220 | 75 kg |
| NPS 3 / DN80 (Class 900) | 381 | 384 | 381 | 73 | 280 | 102 kg |
| NPS 4 / DN100 (Class 900) | 457 | 460 | 457 | 98 | 315 | 134 kg |
| NPS 5 / DN125 (Class 900) | 559 | 562 | 559 | 127 | 360 | 200 kg |
| NPS 6 / DN150 (Class 900) | 610 | 613 | 610 | 146 | 390 | 354 kg |
| NPS 8 / DN200 (Class 900) | 737 | 740 | 737 | 190 | 460 | 514 kg |
| NPS 10 / DN250 (Class 900) | 838 | 841 | 838 | 238 | 540 | 754 kg |
| NPS 12 / DN300 (Class 900) | 965 | 968 | 965 | 283 | 640 | 818 kg |
| NPS 14 / DN350 (Class 900) | 1029 | 1038 | 1029 | 311 | 680 | 1180 kg |
| NPS 16 / DN400 (Class 900) | 1130 | 1140 | 1130 | 356 | 780 | 1909 kg |
| NPS 18 / DN450 (Class 900) | 1219 | 1232 | 1219 | 400 | 845 | 2500 kg |
| NPS 20 / DN500 (Class 900) | 1321 | 1334 | 1321 | 444 | 1050 | 2960 kg |
| NPS 24 / DN600 (Class 900) | 1549 | 1568 | 1549 | 533 | 1200 | 4600 kg |
| NPS 2 / DN50 (Class 1500) | 368 | 371 | 368 | 48 | 265 | 67 kg |
| NPS 2 1/2 / DN65 (Class 1500) | 419 | 422 | 419 | 57 | 240 | 75 kg |
| NPS 3 / DN80 (Class 1500) | 470 | 473 | 470 | 70 | 303 | 188 kg |
| NPS 4 / DN100 (Class 1500) | 546 | 549 | 546 | 92 | 340 | 210 kg |
| NPS 5 / DN125 (Class 1500) | 673 | 676 | 673 | 127 | 380 | 294 kg |
| NPS 6 / DN150 (Class 1500) | 705 | 711 | 705 | 137 | 430 | 473 kg |
| NPS 8 / DN200 (Class 1500) | 832 | 841 | 832 | 178 | 500 | 634 kg |
| NPS 10 / DN250 (Class 1500) | 991 | 1000 | 991 | 222 | 605 | 1140 kg |
| NPS 12 / DN300 (Class 1500) | 1130 | 1146 | 1130 | 264 | 785 | 1939 kg |
| NPS 14 / DN350 (Class 1500) | 1257 | 1276 | 1257 | 289 | 830 | 2000 kg |
| NPS 16 / DN400 (Class 1500) | 1384 | 1407 | 1384 | 330 | 950 | 2700 kg |
| NPS 18 / DN450 (Class 1500) | 1537 | 1559 | 1537 | 371 | 1080 | 3960 kg |
| NPS 20 / DN500 (Class 1500) | 1664 | 1686 | 1664 | 416 | 1145 | 4400 kg |
| NPS 2 / DN50 (Class 2500) | 451 | 454 | 451 | 38 | 285 | 93 kg |
| NPS 2 1/2 / DN65 (Class 2500) | 508 | 514 | 508 | 48 | 305 | 100 kg |
| NPS 3 / DN80 (Class 2500) | 578 | 584 | 578 | 57 | 350 | 196 kg |
| NPS 4 / DN100 (Class 2500) | 673 | 683 | 673 | 73 | 410 | 410 kg |
| NPS 5 / DN125 (Class 2500) | 794 | 807 | 794 | 96 | 490 | 440 kg |
| NPS 6 / DN150 (Class 2500) | 914 | 927 | 914 | 111 | 540 | 868 kg |
| NPS 8 / DN200 (Class 2500) | 1022 | 1038 | 1022 | 146 | 620 | 970 kg |
| NPS 10 / DN250 (Class 2500) | 1270 | 1292 | 1270 | 184 | 705 | 1700 kg |
| NPS 12 / DN300 (Class 2500) | 1422 | 1445 | 1422 | 219 | 855 | 2080 kg |
Description
Swing check valve designed to API standards, available in ANSI pressure classes 600, 900, 1500, and 2500. Supplied in sizes from NPS 2 to NPS 24 depending on pressure class, with flanged (RF and RTJ) and butt-weld end connections. Intended for high-pressure industrial pipeline applications.
Selection notes
This check valve is a swing check and api valve pattern, supplied for flanged and butt weld installation.
Sizes run NPS 2 to NPS 24, in Class 600, Class 900, Class 1500, Class 2500.
It is catalogued for Industrial Process.
Available pressure classes
Pressure classes this product is rated to.
Used in
Related guides
Smart find
Searches our product catalogue using your spec. Drop a spec sheet or parts list (PDF, Excel, CSV, Word or text, several at once), paste a description or a part number and we'll find the closest matches for each. Anything we can't match goes to your RFQ as a custom enquiry for our team to source.Related Check Valves
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