Face to Face Duel Plate Check Valve
Double-flanged as per API Std. 594 Class 125-2500 Type A |
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NPS
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CLASS
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150
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300
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600
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900
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1500
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2500
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| 2 | 60 | 60 | 60 | 70 | 70 | 70 |
| 2.1/2 | 67 | 67 | 67 | 83 | 83 | 83 |
| 3 | 73 | 73 | 73 | 83 | 83 | 86 |
| 4 | 73 | 73 | 79 | 102 | 102 | 105 |
| 6 | 98 | 98 | 136 | 159 | 159 | 159 |
| 8 | 127 | 127 | 165 | 206 | 206 | 206 |
| 10 | 146 | 146 | 213 | 241 | 248 | 254 |
| 12 | 181 | 181 | 229 | 292 | 305 | 305 |
| 14 | 184 | 222 | 273 | 356 | 356 | |
| 16 | 191 | 232 | 305 | 384 | 384 | |
| 18 | 203 | 264 | 362 | 451 | 468 | |
| 20 | 219 | 292 | 368 | 451 | 533 | |
| 24 | 222 | 318 | 438 | 495 | 559 | |
| 30 | 305 | 368 | 505 | |||
| 36 | 368 | 483 | 635 | |||
| 42 | 432 | 568 | 701 | |||
| 48 | 524 | 629 | ||||
| NPS | 150 | 300 | 600 | 900 | 1500 | 2500 |
| CLASS | ||||||
| General Notes: | ||||||
| Dimensions are in millimeters unless otherwise indicated. | ||||||
| The face-to-face tolerance shall be as specified in ASME B16.10 for sizes | ||||||
| through NPS 24 and shall be 3 mm for sizes larger than NPS 24. | ||||||
| Flange faces with ring-joint grooves shall conform to the dimensions | ||||||
| shown in either ASME b16.5 or ASME B16.47, as applicable. | ||||||
| Notes: | ||||||
| Double-flanged valves shall only be supplied where nut space between flanges is adequate. | ||||||
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Unless otherwise specified in the purchase order, the bolt holes will be through-drilled.
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