Pressure valves are usually located close to your water meter, and may even be attached to the water meter. A water pressure reducing valve is used to adjust the force of water going through the supply pipes. The pressure valve is larger than a normal valve, and has a screw and locknut instead of a hand wheel on top. Water pressure that is often too low or too high can damage appliances such as dishwashers and washing machines.
Pressure control valve is sometimes referred to as the pressure valve is primarily used to meet on the implementing agencies of the force or torque requirements.