Explain the installation of the vacuum breaker and the installation of the vacuum breaker in the vacuum breaker installation process
1. Before installing the vacuum breaker, the product should be initially accepted. The preliminary acceptance is the responsibility of the construction and installation unit. The vacuum breaker that has not passed the preliminary acceptance shall not be installed and used in the project;
2. Flush the pipeline thoroughly before installing the vacuum breaker;
3. The vacuum breaker should be installed at the highest point of the water distribution branch, and its air inlet should face downward;
4. The vacuum breaker installed in the outdoor, the water inlet end should be provided with a drain valve to vent the antifreeze in winter;
5. The vacuum breaker shall not be installed in the fume hood or hood, and shall not be installed in the environment of harmful toxic gases;
6. The air inlet of the vacuum breaker should be down.
7. The pressure type vacuum breaker shall be installed on the overflow level of the equipment; the pressure type vacuum breaker shall be higher than the maximum overflow level of the outlet of 300 mm or more.
8. The installation height of the hose type vacuum breaker shall be set at 1000mm or more from the ground; the (bath or washing machine) used for fixing the appliance shall be higher than the maximum overflow water level of 150mm or more.
9. In cold and cold areas, when the vacuum breaker is installed in a non-heating room or outdoors, antifreeze measures such as venting should be taken.
10. When an exhaust valve is provided, the vacuum breaker should be placed on the underside of the exhaust valve.
11. There should be reliable ground drainage measures in the place where the vacuum breaker is installed. 12. The vacuum breaker in the room should be installed. In special cases, if it needs to be concealed, it should be installed in the box. The size of the box should meet the needs of maintenance, and the louver vent should be set on the door of the box. The area should be greater than 5 times the broken area of ​​the water supply pipe of the vacuum breaker;
13. The minimum clearance of the vacuum breaker air inlet from the obstacle below shall not be less than the nominal size of the vacuum breaker;
14. When the horizontal through-type vacuum breaker is installed indoors, it shall be installed at the beginning of the transverse branch pipe that is taken out from the riser;
Yuanmingfeng vacuum breaker is widely used in various systems that are easy to generate vacuum, and inhales the air protection system in time when the system forms negative pressure. Yuanmingfeng vacuum breaker is used in the domestic drinking water pipeline to automatically eliminate the vacuum inside the pipeline, so that the water is shut off, and the possible siphon backflow is prevented to endanger the water quality of the drinking water system.
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