Article Needle Valves (Cfa7ebb)

Valves are known as those devices that can control the flow of fluids either they are in liquid or gaseous form. Every industry now uses valves to control the flow of liquid or gases. In a large high pressure line, the fluid dynamic effects from pulsations, impacts, and pressure drops can damage trim, stem packing, and actuators. The LOAD positions allow the valve to seal off the internal high pressure flow from the loop to allow it to be safely filled with sample at atmospheric pressure. Ibagian bawah handle dan lever terdapat skala (scale) yang digunakan untuk

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