Generally speaking, what are the parts of the hotel's water supply system? What are the requirements for the materials used in each part?

It consists of pumps, power and control systems and other operating equipment.

Gate valves are installed on both sides of the inlet and outlet of each pump to take the pump out of the system for maintenance. There is also a check valve on the water outlet side to prevent water from flowing backwards. In order to save floor space, the pump generally adopts vertical structure. The shaft seal of the pump adopts mechanical seal, which can prevent the pump from leaking and make the pump room cleaner.