Control valves (or operate nozzles) are indispensable in most industries. They are used to operate separate conditions such as temperature, pressure and liquid level by partially or fully opportunity the valves in response to the signals received from the controllers. The controllers use the value in case,granted by the sensors to assess the "setpoint" to the "process variable".
The opportunity and conclusion of operate nozzles are done by means of hydraulic, electrical or pneumatic systems. The hydraulic operate nozzles are those which are controlled by hydraulic pressure. These operate valves consist of a main valve and attachments such as pilot valve, pipeline, ball valve, needle valve and manometer. On the basis of its function, use and separate occasions it evolve into reducing valve, telecontrol float nozzle, publish nozzle, flow operate nozzle, etc.
The hydraulic nozzles are easier to install and maintain. There are some things that you should keep in mind while installing a hydraulic operate nozzle. You need not add motor oil to these hydraulic operate valves as they make good use of flat run water.
Any maintenance to the hydraulic operate nozzles should be done carefully. At times damages can be caused to the valves as a supervene of your carelessness. If the spare parts of the main valve are damaged, then the following instructions should be kept in mind before setting out to get it ready.
1. Remove the separate parts and find out either the marine and o-ring are damaged. If they are not damaged, then do not additional subdivide the spare parts by yourself.
2. If the mebrane or 0-ring is damaged, then decide them slowly. When it is done you can install the new mebrane and the o-ring.
These steps ensure that your hydraulic valve is safely repaired without any damage.
Tips For Maintenance of Hydraulic control Valves