Fixed Orifice Double Regulating Valve is a device attached to the piping system, which serves to regulate, control and direct the fluid flow rate by opening, closing or partially closing the fluid flow. Valve / valve has an important role in an industry such as the oil and gas industry which includes jetting into the distillation column and control ignition in the furnace (furnace).
Valves valves can be operated manually, either by using a handle, lever pedal and so on. In addition to manually operated, there is also the type of valve automatically operated, ie control is done using the principle of change of flow, pressure and temperature in the pipes. The third change will affect the diaphragm, spring or piston so that it will automatically move the valve to open and close system.
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