No. ：561
Features
Rubber encapsulated disc
Drain plug hole make insertment of lifting equipment for flap possible
Suitable for both horizontal and vertical installation
FBE coated inside and outside
Reduce the closing time, minimize the water hammer and flow reversal.
Part name | material |
body | Cast iron, Ductile iron |
disc | rubber encapsulated |
hanger | Ductile iron |
Hanger pin | Stainless steel |
Cover gasket | Graphite with soft steel |
cover | Cast iron, ductile iron |
Inch | DN | L | D | D1 | D2 | n-d | b | H |
2" | 50 | 203 | 165 | 125 | 99 | 4-19 | 19 | 70 |
21/2" | 65 | 216 | 185 | 145 | 118 | 4-19 | 19 | 74 |
3" | 80 | 241 | 200 | 160 | 132 | 8-19 | 19 | 81 |
4" | 100 | 292 | 220 | 180 | 156 | 8-19 | 19 | 93 |
5" | 125 | 330 | 250 | 210 | 184 | 8-19 | 19 | 112 |
6" | 150 | 356 | 285 | 240 | 211 | 8-23 | 19 | 126 |
8" | 200 | 495 | 340 | 295 | 266 | 12-23 | 20 | 164 |
10" | 250 | 622 | 400 | 355 | 319 | 12-28 | 22 | 195 |
12" | 300 | 698 | 455 | 410 | 370 | 12-28 | 24.5 | 229 |
