Our Product — Check Valve - MSS swing check valve
● Standards:
- 1. Design and manufacture:MSS SP-71.
2. Flange dimensions:ASME B16.1.
3. Face to face dimensions:ASME B16.10.
4. Test and inspection:API 598/EN12266.
5. Size up to 36”.
● Materials
| NO. | PART | MATERIAL | STANDARD |
| 1 | Body | Steel | BS970 43A |
| 2 | Identifcation Plate | Aluminium | |
| 3 | Bonnet | Cast Iron | BS1452 Cr.180 |
| 4 | Body Gasket | Gaphite | BS2494 Type W |
| 5 | Stem | Brass | BS2874 CZ12 |
| 6 | Nuts | Steel | BS970 43A |
| 7 | Side Plug | Brass | BS2874 CZ12 |
| 8 | Gasket | Fiber | |
| 9 | Hanger Pin | Brass | BS2874 CZ12 |
| 10 | Hanger | Ductile Iron | BS2789 Gr.420-12 |
| 11 | Disc | Cast Iron | BS1452 Cr.180 |
| 12 | Disc Ring | Cast Bronze | BS1400 LG2 |
| 13 | Washer | Steel | BS970 43A |
| 14 | Splt Pin | Stainless Steel | BS970 420S37 |
| 15 | Body | Cast Iron | BS1452 Cr.180 |
| 16 | Stud Bolt | Steel | BS970 43A |
| DN | VALLVE SIZE | ||||||||
| 50 | 65 | 80 | 100 | 125 | 150 | 200 | 250 | 300 | |
| A | 203 | 316 | 241 | 292 | 330 | 356 | 495 | 622 | 698 |
| B | 113 | 133 | 142 | 163 | 197 | 212 | 257 | 299 | 331 |
| C | 165 | 185 | 200 | 220 | 250 | 285 | 340 | 405 | 450 |
| D | 20 | 20 | 20 | 24 | 26 | 26 | 30 | 32 | 32 |
| E | 125 | 145 | 160 | 180 | 210 | 240 | 295 | 365 | 410 |
| F | 102 | 122 | 138 | 158 | 188 | 212 | 268 | 320 | 378 |
| n-d | 4-19 | 4-19 | 4-19 | 8-19 | 8-19 | 8-23 | 12-23 | 12-28 | 12-28 |
| h | 2 | 2 | 2 | 2 | 2.5 | 2.5 | 2.5 | 2.5 | 2.5 |
