dual plate check valve manufacturer in india
Cast Carbon, Stainless or Alloy Steel
Size: 2" -24", ASME Class: 150# -600#
Design Features
- Retainer less design is supplied as stadard
- API 594 Face to Fce dimension
- To suit ANSI B16.5 flangesm NPS 2-24 (DN 50-60)
Standard Materials
| Parts | Materials | ||
|---|---|---|---|
| Body | WCB | CF8 | CF8M |
| Closure Plate | WCB / SS 304 / SS 316 | CF8 | CF8M |
| Seat Ring | PTFE / Metal to Metal | ||
| Spring | SS 202 / SS 304 / SS 316 | SS 304 / SS 316 | SS 316 |
| Hinge Pin | AISI 410 / SS 304 / SS 316 | SS 304 / SS 316 | SS 316 |
Design Specifications
| Item | Applicable STD. | ||
|---|---|---|---|
| Wall thickness and general design ≤ NPS 24 | API 600, ISO 1868 | ||
| Wall thickness and general design > NPS 24 | ASME B16.34 | ||
| Pressure Temperature Rating | ASME B16.34 | ||
| Face-to-Face dimensios for butt weld and flanged valves | ASME B16.10 | ||
| Testing Standard | API 598 | ||
| Flange Design | ASME B16.5 | ||
| Butt Welding Design | ASME B16.25 | ||
| Materials | ASTM | ||
DCV Dimensions
| Size | ASME Class 150 | ||
|---|---|---|---|
| DN | L | ⌀C | ⌀D |
| 50 | 60 | 60 | 101 |
| 65 | 67 | 73 | 120 |
| 80 | 73 | 89 | 133 |
| 100 | 73 | 114 | 171 |
| 125 | 86 | 141 | 193 |
| 150 | 98 | 168 | 218 |
| 200 | 127 | 219 | 276 |
| 250 | 146 | 273 | 336 |
| 300 | 181 | 324 | 406 |
| 350 | 184 | 356 | 447 |
| 400 | 191 | 406 | 511 |
| 450 | 203 | 457 | 546 |
| 500 | 219 | 508 | 603 |
| 600 | 222 | 610 | 714 |
| Size | ASME Class 300 | ||
|---|---|---|---|
| DN | L | ⌀C | ⌀D |
| 50 | 60 | 60 | 107 |
| 65 | 67 | 73 | 127 |
| 80 | 73 | 89 | 145 |
| 100 | 73 | 114 | 177 |
| 125 | 86 | 141 | 212 |
| 150 | 98 | 168 | 247 |
| 200 | 127 | 219 | 304 |
| 250 | 146 | 273 | 358 |
| 300 | 181 | 324 | 419 |
| 350 | 222 | 356 | 482 |
| 400 | 191 | 406 | 536 |
| 450 | 264 | 457 | 593 |
| 500 | 292 | 508 | 650 |
| 600 | 318 | 610 | 771 |
| Size | ASME Class 600 | ||
|---|---|---|---|
| DN | L | ⌀C | ⌀D |
| 50 | 60 | 60 | 107 |
| 65 | 67 | 73 | 127 |
| 80 | 73 | 89 | 145 |
| 100 | 73 | 114 | 190 |
| 125 | 105 | 141 | 238 |
| 150 | 137 | 168 | 263 |
| 200 | 165 | 219 | 317 |
| 250 | 314 | 273 | 396 |
| 300 | 229 | 324 | 453 |
| 350 | 273 | 356 | 488 |
| 400 | 305 | 406 | 562 |
| 450 | 362 | 457 | 609 |
| 500 | 368 | 508 | 679 |
| 600 | - | - | - |