| product information: |
Rain alarm valve is to be turned by an electric, mechanical or other means, so that the water flows into the system to automatically check a one-way valve at the same time the alarm.
| model|| ZSFG100|| ZSFG150|| ZSFG200|
| Nominal Diameter (mm) || DN100|| DN150|| DN200|
| Rated working pressure (MPa) ||1.2||1.2||1.2|
| Strength test pressure (MPa) ||4.8||4.8||4.8|
| Friction|| (0.07|| (0.07|| (0.07|
| Start Time (s) || (15|| (15|| (15|