Technical Parameters: 1. Working pressure range: 0.2 to 15 kg; 2. Applicable medium: clean water 3. Applicable medium temperature: =70 ?; 4. High temperature resistant medium temperature: 70 ? ~ 120 ? Precautions: 1.Water pressure reference value: minimum water pressure 0.2kg; maximum water pressure 15kg 2. This product should be installed vertically on a horizontal surface 3 . This product is liquid level control valve, when mounted, it must float vertically downward 4 . First water pipe is fixed in a horizontal plane, and then the valve of the present specification attached to its inlet conduits. The main inlet pipe should be suitable for the nominal diameter of the valve 5 . When used, the beginning of the shut-off valve should be fully open valve 6 . If the same tank installing two valves, should be maintained at the same level. 7. Before installing and using this valve, be sure to clean the impurities in the pipeline 8. When using the built-in products, there will be water leakage at the bottom, which is normal.