The advantages and disadvantages of all valves are here
1. Valve selection and setting location: (1) Valves used on water supply pipelines are generally selected according to the following principles: 1. When the pipe diameter is not more than 50mm, a stop valve should be used; when the pipe diameter is more than 50mm, a gate valve or butterfly valve should be used 2, when the flow and water pressure need to be adjusted, a regulating valve and a