It’s easy to get confused between water pressure and water flow. Many times you will hear people say that they are going to close their stop tap to reduce the pressure. Whilst it is possible to reduce the pressure slightly with a stop tap you are actually reducing the flow and not the pressure. This video explains the difference between flow and pressure using an inexpensive water pressure test gauge [ Ссылка ]
These videos might also help-
How to measure water pressure- [ Ссылка ]
How to measure water flow- [ Ссылка ]
If you need to install a pressure reducing valve this article shows how to do it- [ Ссылка ]
