Double eccentric high performance butterfly valve
- Tel:+86- 532- 55785171 / 55785172 / 55786571 / 55786572
- E-mail:info@qdiflow.com
Description
Technical standards
1. Design and manufacture conforms to API609
2. Pressure and temperature rating conforms to ASME B16.34
3. Flange end conforms to ASME B16.5
4. Test according to API 598
Specification
| NO. | PARTS NAME | MATERIAL |
 |
| 1 | BODY | CF8M/WCB | |
| 2 | INSERT | 20# | |
| 3 | SEAT | PTFE/RPTFE | |
| 4 | DISC | CF8M | |
| 5 | STEM | 17-4PH | |
| 6 | BUSHING | 316+RPTFE | |
| 7 | PACKING RING | 316 | |
| 8 | PACKING | RPTFE | |
| 9 | GLAND | CF8 | |
| 10 | TAPER PINS |
17-4PH |
| NPS | DN | K | W | A | B | C | N | M |
| 2" | 50 | 81 | 43 | 96 | 127 | 165 | 8 | Φ18 |
| 2.5" | 65 | 111 | 49 | 118 | 149.2 | 190 | 8 | Φ22 |
| 3" | 80 | 121 | 49 | 132 | 168.3 | 210 | 8 | Φ18 |
| 4" | 100 | 133 | 54 | 157 | 200 | 255 | 8 | Φ19 |
| 5" | 125 | 135 | 57 | 186 | 235 | 280 | 8 | Φ22 |
| 6" | 150 | 175 | 59 | 217.5 | 269.9 | 320 | 12 | Φ22 |
| 8" | 200 | 213 | 73 | 273 | 330.2 | 380 | 12 | Φ26 |
| 10" | 250 | 254 | 83 | 327 | 387.4 | 445 | 16 | Φ30 |
| 12" | 300 | 283 | 92 | 385 | 450.8 | 520 | 16 | Φ32 |
| 14" | 350 | 325 | 117 | 445 | 514.4 | 585 | 20 | Φ32 |
| 16" | 400 | 351 | 133 | 505 | 571.5 | 650 | 20 | Φ35 |
