How to do the control valve inspection and maintenance The service life of a control valve could be increased by doing proper maintenance. The internal parts of the control valves must be checked, before doing any inspection the valves must be dismantled….

What is a capillary tube and for what purpose it is used Capillary tube can be considered as an expansion device, this device is also known as a metering device it is a throttling device and it is used in air conditioning…

What is air valve and why air valves are used Air valves are used in pipelines, these valves are capable to introduce or remove the air from the pipeline. In a pipeline, air must be removed or reduced otherwise it would create…

What is a float valve and what does it do This valve can be used to control the water level in a tank, this valve is capable to open and close itself as the liquid level changes. A float is used to…

What is a control valve positioner and can we use a control valve without positioner Positioners are devices that help the control valve for positioning its actuator with the help of a control signal. Positioners would act according to the input signal…

What is an actuator and what are their functions The actuator is the major part of the control valve, this device operates the valve. The actuator would operate according to the received signal, it will move the valve to a certain position…

What is a pressure control valve and what does it do A pressure control valve can protect a system from the damages which is caused by excessive pressure. These valves can do the pressure control of a system an example for this…

What is a safety valve and what is the purpose of a safety valve A safety valve can be considered as a pressure reducing or pressure removing the device. When there is any excessive internal fluid pressure then this valve would open…