Swing Check Valves Swing Check Valves
Swing Check Valve is an automatic non-return valve designed to prevent reverse flow in pipelines. It operates through a hinged disc that swings open when fluid flows in the desired direction and automatically closes when flow stops or reverses. These valves are widely used in water supply systems, oil & gas plants, chemical industries, power stations, and industrial process pipelines.
MATERIALS TABLE
| NO. | PARTS NAME | MATERIALS |
|---|---|---|
| 1 | BODY | ASTM A 216 Gr. WCB |
| 2 | COVER | ASTM A 216 Gr. WCB |
| 3 | DISC | CA15 / WCB + 13% Cr. FACING |
| 4 | SEATRING | AISI 410 / CS + 13% Cr. FACING |
| 5 | HINGE PIN | AISI 410 |
| 6 | HINGE | ASTM A 216 Gr. WCB |
| 7 | PLUG (NOT SHOWN) | AISI 410 |
| 8 | DISC WASHER | AISI 410 |
| 9 | DISC NUT | AISI 410 |
| 10 | GASKET | CAF / SPIRAL WOUND SS 304 + CAF |
| 11 | STUD | ASTM A 193 Gr. B7 |
| 12 | NUT | ASTM A 193 Gr. 2H |
| 13 | LOCK PIN | AISI 410 |
SIZE TABLE (150#)
| SIZE | ØNB | ØF | FT | ØRf | Rft | Od | N | N:PCD. | A |
|---|---|---|---|---|---|---|---|---|---|
| 25MM | 25 | 110 | 9.6 | 50.8 | 2.0 | 15.9 | 4 | 79.4 | 127 |
| 40MM | 38 | 125 | 12.7 | 73.0 | 2.0 | 15.9 | 4 | 98.4 | 165 |
| 50MM | 51 | 150 | 14.3 | 92.1 | 2.0 | 19.05 | 4 | 120.7 | 203 |
| 65MM | 64 | 180 | 15.9 | 104.8 | 2.0 | 19.05 | 4 | 139.7 | 216 |
| 80MM | 76 | 190 | 17.5 | 127 | 2.0 | 19.05 | 4 | 152.4 | 241 |
| 100MM | 102 | 230 | 22.3 | 157.2 | 2.0 | 19.05 | 8 | 190.5 | 292 |
| 150MM | 152 | 280 | 23.9 | 215.9 | 2.0 | 22.2 | 8 | 241.3 | 406 |
| 200MM | 203 | 345 | 27.0 | 269.9 | 2.0 | 22.2 | 8 | 298.5 | 495 |
| 250MM | 254 | 405 | 28.6 | 323.8 | 2.0 | 25.4 | 12 | 362.0 | 622 |
| 300MM | 305 | 485 | 30.2 | 381 | 2.0 | 25.4 | 12 | 431.8 | 698 |
SIZE TABLE (300#)
| SIZE | ØNB | ØF | FT | ØRf | Rft | Od | N | N:PCD. | A |
|---|---|---|---|---|---|---|---|---|---|
| 25MM | 25 | 125 | 15.9 | 50.8 | 2.0 | 19.05 | 4 | 88.9 | 216 |
| 40MM | 38 | 155 | 19.1 | 73.0 | 2.0 | 22.2 | 4 | 114.3 | 241 |
| 50MM | 51 | 165 | 20.7 | 92.1 | 2.0 | 19.05 | 8 | 127 | 267 |
| 65MM | 64 | 190 | 23.9 | 104.8 | 2.0 | 22.2 | 8 | 149.2 | 292 |
| 80MM | 76 | 210 | 27.0 | 127 | 2.0 | 22.2 | 8 | 168.3 | 318 |
| 100MM | 102 | 255 | 30.2 | 157.2 | 2.0 | 22.2 | 8 | 200.0 | 356 |
| 150MM | 152 | 320 | 35.0 | 215.9 | 2.0 | 22.2 | 12 | 269.9 | 444 |
| 200MM | 203 | 380 | 39.7 | 269.9 | 2.0 | 25.4 | 12 | 330.2 | 533 |
| 250MM | 254 | 445 | 46.1 | 323.8 | 2.0 | 28.6 | 16 | 387.4 | 622 |
| 300MM | 305 | 520 | 49.3 | 381 | 2.0 | 31.8 | 16 | 450.8 | 711 |
HYDRO TEST PRESSURE
| SHELL | SEAT |
|---|---|
| 35 Kg/cm² | 22 Kg/cm² |
| 78 Kg/cm² | 58 Kg/cm² |