Depends on what kind your talking about.
It actually does not control it is a reducing valve by use of diaphragm and spring tension setting in most applications
the brake control valve is used to control the amount of hydrauic pressure form the hydraulic system to the brake system through the metering valve.
A pressure regulator is a control valve that reduces the input pressure of a fluid to a desired value at its output.
Control valve: Used to modify flow rate in a process control system.It has characterization: linear,equal percentage and quick opening Pressure inlet must be higher than the output pressure Regulator:Diapghram operating valve which controls outlet pressure (reducing application),control inlet pressure (back pressure) or either (differential reducing and differential relief applications
To control water pressure, the applications are many.
The purpose of both the valves is same - that to maintain a certain level(in a vessel or tank...) Simple Level valve could be referred to an ON - OFF valve where as control valve could be referred to an analog type of valve. On - OFF valve is for a crude control of level, while control valve is used where a fine level control is needed.
it is a regulator of servoing and pressure control to oversee the valve
Pressure safety valve-are the valve who are designed such that it can control the pressure , like in the water blowers etc,and Temperature safety valve are those who are used to regulate the temperature like, in water boilers.
That would depend on the maker
cold chamber die casting machine can be divided into the direction of the direction of the flow of fluid in the hydraulic system used to control or regulate the pressure and flow valves, pressure valves and flow control valve three categories. A same shape as the valve, because of the different mechanisms of action have different functions. Pressure valve and flow valve with a throttle effect of the flow passage cross section to control the system pressure and flow direction valve replacement of the flow passage control the oil flow direction.
An angle stop is not intended to control water pressure for most applications. That being said, however, you can control the pressure with an angle stop valve (Aka angle pattern globe valve) while there is flow. As soon as the flow stops, then the pressure will equalise throughout the system. I would suggest using a PRV or pressure reducing valve. This will control water pressure under most all conditions. Source: 2nd year plumber training, Alberta
the heater control valve or DCCV (dual climate control valve) is located next to the radiator on the passanger side just below the high pressure side service connector
That sounds like the expansion valve.