蝶式止回阀用于纯净管路及工业、环保、水处理、高层建筑给排水管路，阻止介质逆向流动之用。该止回阀采用对夹式，蝶板为两个半圆，且采用弹簧强制复位，密封面可为本体堆焊耐磨材料或衬橡胶，使用范围广，密封可靠。
HANK check valve, for mounting directly between flanges according to DIN. Maintenance not required. For liquids in general services and water treatment. Not suitable for media with solid components.
Product features
• Body construction Wafer
• Max. working pressure 16 bar
• Rating PN10, PN16, other ratings on request
• Face to face dimension according to DIN EN 558-1
• Temperature range -10ºC ÷ +120ºC
Dimensions
| DN (mm) | A PN10/16 | B | C | [kg] |
| 50 | 107 | 65 | 43 | 1,6 |
| 65 | 127 | 80 | 46 | 2,3 |
| 80 | 142 | 94 | 64 | 3,3 |
| 100 | 162 | 117 | 64 | 4,4 |
| 125 | 192 | 145 | 70 | 6,4 |
| 150 | 218 | 170 | 76 | 9,2 |
| 200 | 273 | 224 | 89 | 16 |
| 250 | 328 | 265 | 114 | 25 |
| 300 | 378 | 310 | 114 | 35 |
