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Q: When is a additional pressure valve used on a gas flow?
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Why reducers are used before and after pressure control valve in piping control station?

reducers are used to improve flow control in a steady nature because when the fluid flow through the pipe there is turbulence in flow. due to turbulence in fluid it effect to measuring devices which vary in readings, to avoid such it need to contract the area of the pipe in shape of reducer is at upstream of the control valve and down stream of the control valve there is expander which helps to fluid to flow in regular size of it.


What is the difference between a globe valve and a ball valve?

The Globe valves are generally used to control the flow rate and ball valve used for open /close purpose only.A globe valve is a type of valve used for regulating flow in a pipeline, consisting of a movable disk-type element and a stationary ring seat in a generally spherical body.A ball valve is a valve with a spherical disc, the part of the valve which controls the flow through it.


What is the name of a device that equalizes hot and cold water flow to prevent temperature fluctuations?

It is called a pressure balancing valve, usually used in shower applications. Also a preset temperature mixing valve could be used depending upon what you need the device to do.


What is different between pressure safety valve and temperature safety 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.


What is the purpose of a water valve?

A water valve is used to regulate, direct, and control the flow of water. It can open, close, or partially obstruct passageways where water can travel and flow.

Related questions

Can a ball valve be used to throttle flow?

no it can't , valves you can use are a prv pressure reducing valve or a globe or flow valve


What is mean by cold chamber die casting machine?

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.


What is the purpose of flow control valves in relation to fluids?

A flow control valve is used to control and regulate the flow or pressure of fluids. A flow control valve may be used to regulate gas, steam, water and chemicals.


What are the field instruments used in power plants?

Temperature: Thermocouple, RTD, Temperture Transmitter. Flow Transmitter, DP ransmitter, Pressure Transmitter, Pressure switch, Radar level Transmitter, PLC system, Woodward Governor, Ultrasonic flow transmitter. Relay, Control Valve, ON/OFF valve.


What is the difference between valve and control-valve?

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


What is a butterfly valve used for?

A butterfly valve is from a family of valves called quarter turn valves. The "butterfly" is a metal disc mounted on a rod. When the valve is closed, the disc is turned so that it completely blocks off the passageway. When the valve is open, the disc is rotated a quarter turn so that it allows unrestricted passage. The position of the disc is effected from outside the valve. And the Steel butterfly valve is one kind of butterfly valve , the main material is steel.


What may result if a pressure regulator is not used on the type of gas or pressure range which it was designed?

A pressure regulator is a valve that automatically cuts off the flow of a liquid solid or gas at a certain pressure. So if it's not used on the item for which it was designed there could be an explosion or fire!


What may result if a pressure regulator is not used on the type of gas or pressure range for which it was designed?

A pressure regulator is a valve that automatically cuts off the flow of a liquid solid or gas at a certain pressure. So if it's not used on the item for which it was designed there could be an explosion or fire!


Why reducers are used before and after pressure control valve in piping control station?

reducers are used to improve flow control in a steady nature because when the fluid flow through the pipe there is turbulence in flow. due to turbulence in fluid it effect to measuring devices which vary in readings, to avoid such it need to contract the area of the pipe in shape of reducer is at upstream of the control valve and down stream of the control valve there is expander which helps to fluid to flow in regular size of it.


What is the difference between a globe valve and a ball valve?

The Globe valves are generally used to control the flow rate and ball valve used for open /close purpose only.A globe valve is a type of valve used for regulating flow in a pipeline, consisting of a movable disk-type element and a stationary ring seat in a generally spherical body.A ball valve is a valve with a spherical disc, the part of the valve which controls the flow through it.


What is the root word mean ''valve''?

The root word for "valve" is "valv" which comes from the Latin word "valva" meaning a folding door or gate. This root is used in various medical and mechanical terms related to controlling flow or passage.


What is the name of a device that equalizes hot and cold water flow to prevent temperature fluctuations?

It is called a pressure balancing valve, usually used in shower applications. Also a preset temperature mixing valve could be used depending upon what you need the device to do.