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Contact SupplierWe offer the F347 Dual Plate Lug Check Valve designed to meet Pressure Class150 to Class600 standards, with Design Standard ANSI B16.34 ensuring top-notch quality. The valve's Face To Face Dimensions adhere to ANSI B16.10, while the Flange End Dimensions and Buttweld End Dimensions are in line with ANSI B16.5 and ANSI B16.25 respectively. Ideal for manufacturers seeking reliable valves that guarantee optimal performance and durability. Upgrade your industrial operations with this precision-engineered valve that meets stringent industry standards.
| NPS | in | 2 | 21/2 | 3 | 4 | 5 | 6 | 8 | 10 | 12 | 14 | 16 | 18 | 20 | 24 | |
| 150Lb | L | mm | 60 | 67 | 73 | 73 | 86 | 98 | 127 | 146 | 181 | 184 | 191 | 203 | 219 | 222 |
| D | mm | 103 | 122 | 135 | 173 | 196 | 222 | 279 | 339 | 409 | 450 | 514 | 549 | 606 | 717 | |
| D1 | mm | 120.5 | 139.5 | 152.5 | 190.5 | 216 | 241.5 | 298.5 | 362 | 432 | 476 | 540 | 578 | 635 | 749.5 | |
| D2 | mm | 92 | 105 | 127 | 157 | 186 | 216 | 270 | 324 | 381 | 413 | 470 | 533 | 584 | 692 | |
| n-Фd | mm | 4-19 | 4-19 | 4-19 | 8-19 | 8-22 | 8-22 | 8-22 | 12-25 | 12-25 | 12-29 | 16-29 | 16-32 | 20-32 | 20-35 | |
| 300Lb | L | mm | 60 | 67 | 73 | 73 | 86 | 98 | 127 | 146 | 181 | 222 | 232 | – | – | – |
| D | mm | 110 | 128 | 148 | 180 | 215 | 250 | 307 | 361 | 422 | 485 | 539 | – | – | – | |
| D1 | mm | 127 | 149 | 168.5 | 200 | 235 | 270 | 330 | 387.5 | 451 | 514.5 | 571.5 | – | – | – | |
| D2 | mm | 92 | 105 | 127 | 157 | 186 | 216 | 270 | 324 | 381 | 413 | 470 | – | – | – | |
| n-Фd | mm | 8-19 | 8-22 | 8-22 | 8-22 | 8-22 | 12-22 | 12-25 | 16-29 | 16-32 | 20-32 | 20-35 | – | – | – | |
| 600Lb | L | mm | 60 | 67 | 73 | 79 | 105 | 137 | 165 | 213 | 229 | 273 | 305 | – | – | – |
| D | mm | 110 | 129 | 148 | 192 | 240 | 265 | 319 | 399 | 456 | 489 | 562 | – | – | – | |
| D1 | mm | 127 | 149 | 168.5 | 216 | 267 | 292 | 349 | 432 | 489 | 527 | 603 | – | – | – | |
| D2 | mm | 92 | 105 | 127 | 157 | 186 | 216 | 270 | 324 | 381 | 413 | 470 | – | – | – | |
| n-Фd | mm | 8-19 | 8-22 | 8-22 | 8-25 | 8-29 | 12-29 | 12-32 | 16-35 | 20-35 | 20-38 | 20-41 | – | – | – | |