Swing Type NRV
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| STANDARDS | |
|---|---|
| Design & Mfg. Std. | BS 1873 / ASME B 16.34 |
| Face to Face | ASME 816.10 |
| End Connection | Flange Ends – ASME B 16.5 |
| Butt Weld Ends – ASME B 16.25 | |
| Inspection & Testing Standard | API 598/ |
| MATERIAL OF CONSTRUCTION | ||||
|---|---|---|---|---|
| PART NAME | CARBON STEEL | ALLOY STEEL | STAINLESS STEEL | |
| Body | A 216 WCB / WCC | A 352 LCB /LCC | A 217 WC6/WC9/C5/C12 | A 351 CF8/CF8M/CF3/CF3M/CF8C |
| Cover | A 216 WCB/WCC | A 352 LCB /LCC | A 217 WC6/WC9/C5/C12 | A 351 CF8/CF8M/CF3/CF3M/CF8C |
| Seat Ring | A216 WCB/WCC+13% Cr./A 217 CA 15 | A 351 CF 8 | A217 WC6/WC91C5/C12+ 13% Cr. /A 217 CA 15 | A 351 CF8/CF8M/CF3/CF3M/CF8C |
| Disc | A 216 WCB / WCC +13% Cr. | A 351 CF 8 | A 217 WC6/WC9/C5/C12 +13% Cr. | A 351 CF8/CF8M/CF3/CF3M/CF8C |
| Hinge | A 216 WCB / WCC | A 351 CF 8 | A 217 WC6/WC9/C5/C12 | A 351 CF8/CF8M/CF3/CF3M/CF8C |
| Hinge Bracket | A 216 WCB / WCC | A 351 CF 8 | A 217 WC6/WC9/C5/C12 | A 351 CF8/CF8M/CF3/CF3M/CF8C |
| Hinge Pin | A 276 TP 410 | A 276 TP 304 | A 276 TP 410 | A 276 TP 304/316/304IJ316L/321 |
| Joint stud | A 193 B7 | A 320 L7 | A 193 B16 | A193 B7/B8 |
| Joint stud nuts | A 194 2H | A 194 7 | A 194 7 | A 194 21-1/8 |
| Bracket stud | A 193 B7 | A 320 L7 | A 193 B16 | A193 B7/B8 |
| Bracket stud nuts | A 194 2H | A 194 7 | A 194 7 | A 194 2H/8 |
| Gasket | Spiral Wound S5316/3161./304021 with Grafoil filler | |||
| Disc nut | Stainless Steel | |||
Design Features
Material :
WCB / WC6 / LCB / CF8 / CF8M / CF3 / CF3M etc.
Pressure Rating :
150# / 300# / 600#
Trims Material :
Available on requirement like
Trim = 1, 2, 5, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18
Tolerance :
Face to face :
± 2.0mm for NPS 10″& ± 3.0mm for NPS > 10″
FACE TO FACE DIMENSIONS FOR SWING CHECK VALVES
| CLASS 150 | |||||||
|---|---|---|---|---|---|---|---|
| Size | A (MM) | J | Weight (kg) | ||||
| NPS | DN | RF | RTJ | BW | MM | FE | BW |
| 2″ | 50 | 203 | 216 | 203 | 144 | 19 | 13 |
| 2.1/2″ | 65 | 216 | 229 | 216 | 156 | 25 | 20 |
| 3″ | 80 | 241 | 254 | 241 | 166 | 30 | 22 |
| 3″ | 100 | 292 | 305 | 292 | 196 | 47 | 40 |
| 5″ | 125 | 330 | 343 | 330 | 220 | 82 | 70 |
| 6″ | 150 | 356 | 369 | 356 | 246 | 90 | 78 |
| 8″ | 200 | 495 | 508 | 495 | 295 | 135 | 115 |
| 10″ | 250 | 622 | 635 | 622 | 336 | 242 | 220 |
| 12″ | 300 | 698 | 711 | 698 | 395 | 298 | 270 |
| 14″ | 350 | 787 | 800 | 787 | 435 | 527 | 505 |
| 16″ | 400 | 864 | 877 | 864 | 498 | 611 | 591 |
| 18″ | 450 | 978 | 991 | 978 | 540 | 825 | 801 |
| 20″ | 500 | 978 | 991 | 978 | 625 | 935 | 904 |
| 24″ | 600 | 1295 | 1308 | 1295 | 715 | 1280 | 1258 |
| CLASS 300 | ||||||||
|---|---|---|---|---|---|---|---|---|
| Size | A (MM) | 1 | Weight (kg) | |||||
| NPS | DN | RF | RTJ | BW | MM | FE | BW | |
| 2″ | 50 | 267 | 283 | 267 | 150 | 22 | 17 | |
| 21/2″ | 65 | 292 | 308 | 292 | 165 | 37 | 32 | |
| 3″ | 80 | 318 | 334 | 318 | 178 | 50 | 45 | |
| 4″ | 100 | 356 | 372 | 356 | 200 | 68 | 62 | |
| 5″ | 125 | 400 | 416 | 400 | 225 | 92 | 72 | |
| 6″ | 150 | 444 | 460 | 444 | 252 | 130 | 110 | |
| 8″ | 200 | 533 | 549 | 533 | 301 | 245 | 220 | |
| 10″ | 250 | 622 | 638 | 622 | 356 | 340 | 310 | |
| 12″ | 300 | 711 | 727 | 711 | 416 | 550 | 508 | |
| CLASS 600 | |||||||
|---|---|---|---|---|---|---|---|
| Size | A (MM) | J | Weight (kg) | ||||
| NPS | DN | RF | RTJ | BW | MM | FE | BIN |
| 2″ | 50 | 295 | 292 | 292 | 154 | 33 | 28 |
| 21/2″ | 65 | 333 | 330 | 330 | 172 | 49 | 38 |
| 3″ | 80 | 359 | 356 | 356 | 182 | 65 | 52 |
| 4″ | 100 | 435 | 432 | 432 | 214 | 112 | 96 |
| 5″ | 125 | 511 | 508 | 508 | 230 | 170 | 140 |
| 6″ | 150 | 562 | 559 | 559 | 269 | 220 | 180 |
| 8″ | 200 | 663 | 660 | 660 | 330 | 385 | 258 |
| 10″ | 250 | 790 | 787 | 787 | 380 | 465 | 407 |