Product introduction
The wafer flange clamped butterfly check valve is a energy-save product.It is manufactured based the foreign advanced technology and in accordance with relative international standards.This product is featured by excellent retaining per-formance,high safety and reliability and low flow resistance.It is suitable for systems in the industries of petrochemical food processing,medicine,textile,paper-making.Water,supply,drainage,metallurgy,energy,and light industry,etc,used as a check valve in one way.
Featutes
Valve main parts and material
| No Parts Name | Materials | ||||||||
| Body | 304 | LCB | LCC | WC6 | WC9 | CF8 | CF8M | CF3 | CF3M |
| Stem | 304 | LCB | LCC | WC6 | WC9 | CF8 | CF8M | CF3 | CF3M |
| Spring | 304 | LCB | LCC | WC6 | WC9 | CF8 | |||
| Gasket | 150~600LB, STAINLESS STEEL WINDING GASKET | ||||||||
| Bolt | B7 | L7M | L7M | B16 | B16 | B8 | B8 | B8 | B8 |
| Nut | 2H | 7M | 7M | 4 | 4 | 8 | 8 | 8 | 8 |
| Standard | |||
| Design&Manufacture | API 594 | API6D | JB/TB937 |
| Face to face | API594 | DIN3202 | JB/T8937 |
| Pressre-Temperature | ASME B16.34 | DIN2401 | GB/T9124 |
| Pipe Flange | JB/71-90 | JB/T9112-9124 |
| PN Mpa | SIZE(mm) | L | D | D3 | D2 |
| 1.6Mpa | 40 | 60 | 96 | 46 | 41 |
| 50 | 60 | 109 | 56 | 51 | |
| 65 | 67 | 129 | 73 | 65 | |
| 80 | 73 | 144 | 88 | 80 | |
| 100 | 73 | 164 | 108 | 102 | |
| 125 | 86 | 194 | 132 | 127 | |
| 150 | 98 | 220 | 160 | 152 | |
| 200 | 127 | 275 | 210 | 203 | |
| 250 | 146 | 332 | 266 | 254 | |
| 300 | 181 | 387 | 310 | 305 | |
| 350 | 184 | 447 | 355 | 350 | |
| 400 | 191 | 498 | 405 | 400 | |
| 450 | 203 | 558 | 455 | 450 | |
| 500 | 219 | 618 | 505 | 500 | |
| 600 | 222 | 732 | 605 | 600 | |
| 700 | 305 | 802 | 700 | 695 | |
| 800 | 305 | 912 | 800 | 796 | |
| 900 | 368 | 1012 | 903 | 898 | |
| 1000 | 432 | 1124 | 1055 | 1050 | |
| 1200 | 524 | 1340 | 1200 | 1400 |