产品简介：
本阀安装在泵出口处或配送水管线中，用来排除集积在管中的空气，以提高管线及水泵的使用效率，当管内一旦产生负压时，此阀迅速吸入外界空气，以防止管线因负压而损坏。它具有结构紧凑轻巧、造型美观，耐磨，使用寿命长等特点。
Product Brief Introduction:
The valve is installed in the pump outlet or water distribution pipeline to remove the air in the tubes, so as to improve the use efficiency of the pipeline and the water pumps, when the negative pressure come into being in the tubes, the valve will inhale the air outside rapidly to prevent the pipeline’s damage due to negative pressure. There are many traits on it such as the structure compact and legerity, sculpt beauty, wearable and long service life.
主要性能参数： Main Performance Parameters:
公称压力Nominal Pressure( bar) | 1.0 | 1.6 |
试验压力（MPa） TestingPressure | 壳 体Shell | 1.5 | 2.4 |
| 密 封Seal | 1.1 | 1.76 |
适用介质 Suitable Media | 水，酸碱等液体water, Acids, Alkalis, etc. |
主要外形尺寸及连接尺寸：Outline Dimensions & Connection Dimensions:
DN(mm) | L | L1 | H | n-Фd |
25 | 280 | 176 | 330 | - |
32 | 280 | 176 | 330 | - |
50 | 360 | 208 | 475 | 4-18 |
65 | 360 | 208 | 475 | 4-18 |
80 | 400 | 244 | 552 | 8-18 |
100 | 465 | 275 | 623 | 8-18 |
