Article Needle Valves (D729c7e)

Rising stem gate valves are designed so that the stem is raised out of the flowpath when the valve is open. needle valve Needle valve is a simple flow control valve, which can constitute the throttle system with other components. Industrial Ball ValvesCylinder Valves are typically the most useful component of any industrial equipment or machine. Manually operated needle valves use the handwheel to control the distance between the plunger and the valve seat. Much like the globe valves we talked about last week, needle valves are control valves. The throttling

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