Dual Plates Wafer Check Valve Stainless Steel
Basic Info
Double doors wafer check valve is a type of check valve used to prevent backflow in piping systems.
It consists of two half-plates hinged together and placed in the center of the valve body.
- Corrosion resistance: stainless steel especially duplex steel double plate check valve structure has excellent corrosion resistance, and can be used in various corrosive media.
- Quick installation: The valve can be quickly installed and disassembled between flanges, saving time and reducing labor costs.
- Versatility: Suitable for a variety of fluid media including liquids, gases and slurries
Paraments
| DN | D | D1 | D2 | L | R | t | weight（kg） | |
| mm | inch | |||||||
| 50 | 2″ | 107 | 65 | 43.3 | 43 | 28.2 | 19 | 1.5 |
| 65 | 2.5″ | 127 | 80 | 60.2 | 46 | 36.1 | 20 | 2.4 |
| 80 | 3″ | 142 | 94 | 66.4 | 64 | 43.4 | 28 | 3.6 |
| 100 | 4″ | 162 | 117 | 90.8 | 64 | 52.8 | 27 | 5.7 |
| 125 | 5″ | 192 | 145 | 116.9 | 70 | 65.7 | 30 | 7.3 |
| 150 | 6″ | 218 | 170 | 144.6 | 76 | 78.6 | 31 | 9.0 |
| 200 | 8″ | 273 | 224 | 198.2 | 89 | 104.4 | 33 | 17 |
| 250 | 10″ | 328 | 265 | 233.7 | 114 | 127 | 50 | 26 |
| 300 | 12″ | 378 | 310 | 283.9 | 114 | 148.3 | 43 | 42 |
| 350 | 14″ | 438 | 360 | 332.9 | 127 | 172.4 | 45 | 55 |
| 400 | 16″ | 489 | 410 | 381.0 | 140 | 197.4 | 52 | 75 |
| 450 | 18 | 539/555 | 450 | 419.9 | 152 | 217.8 | 58 | 101/107 |
| 500 | 20″ | 594 | 505 | 467.8 | 152 | 241 | 58 | 111 |
| 600 | 24″ | 690 | 624 | 572.6 | 178 | 295.4 | 73 | 172 |
| 700 | 28″ | 800 | 720 | 680 | 229 | 354 | 98 | 219 |
