High degree of protection: It can be used indoors and outdoors. Wide range of applications: It can be used in swimming pool equipment, meters, water meters, coffee machines, water heaters and central air conditioners. Adjustable: The flow range can be adjusted, allowing the user to select the flow setting value according to the needs of the system. Stable performance: Simple working principle, stable and reliable performance, long service life. Resistant to strong pressure: It can be used in a wide range of liquid pressures and can withstand more than 1 MPA at most.