消声止回阀主要安装在水泵出口管道上，专门用于消除水锤的阀门。当停泵时，在正方向流量接近于零时利用弹簧辅助阀梭提前快速关闭，有效的预防水锤的发生，从而起到消除噪声之效果。
FEATURES
allows installation in all positions
low head losses
no maintenance
APPLICATION
hot and cold water plants
low-pressure steam plants
air conditioning systems
DIMENSIONS
| DN | 0 | A | C | Kv | |
| mm | m3/h | kg | |||
| 50 | 50 | 100 | 165 | 99 | 5,7 |
| 65 | 65 | 120 | 185 | 145 | 8,7 |
| 80 | 80 | 140 | 200 | 258 | 10,8 |
| 100 | 101 | 170 | 220 | 360 | 13,5 |
| 125 | 127 | 200 | 250 | 516 | 21,0 |
| 150 | 145 | 230 | 285 | 620 | 30,0 |
| 200 | 194 | 300 | 340 | 985 | 49,0 |
| 250 | 245 | 370 | 395 | 1620 | 73,3 |
| 300 | 295 | 410 | 445 | 2365 | 173,5 |
