Some Background Guidance On Crucial Issues For Needle Valve

Article Needle Valves (9612fd4)

Some parallel disk gate valves used in high pressure systems are made with an integral bonnet vent and bypass line. This valve's main objective is to allow only a certain flow of air through the system so components with a higher or lower pressure rating don't get the wrong amount of pressure. As the disc is offset from the shaft, there is a lot of metal in the flow stream in the wide-open position, and double-offset valves have somewhat less maximum capacity than flat-disc, non-offset valves. The type of unit used to provide pressurized air for pneumatic systems

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