1. High-rise constant pressure water supply, firefighting, sprinkler water supply for high-rise buildings such as residences, hotels, office buildings, etc. .
2. Hot and cold water circulation, pressurization
3. Pressure vessel water supply, hot water circulation, high-rise building water supply, farmland irrigation, fire pressurization, water conservancy flushing, food, brewing, medicine, chemical industry, aquaculture, environmental protection, chemical process, etc.